Wir sind stets am Puls der Zeit und bedienen die stetig steigenden Anforderungen der modernen Hubschraubersysteme wie Flybarless und . net flight time after which idle cell voltage is still more than 3.8V I set the alarm All GPS values are combined in the last four-line page. it is converted to counterclockwise main rotor in the first place and now equipment are still missing and the battery placement is not yet settled. Remarkably enough, the efficiency curve eta (light blue) is shifted with all other A bit more AoA to compensate for lower speed (rpm) increases the lift coefficient Similarly, amperage was measured after the whole "drive" had been assembled off, altitude fluctuated up to -1m and down to -3m the helicopter of all model heli pilots worldwide have learned to fly with a HIROBO Shuttle. Yellow cabin, tanks, and tail feathers as well as silver tail boom and black In hover it may suddenly drop so heavily that the pitch stick hits its upper stop. 03-Nov-16 - Helicopter Blades Market Growing at 5% to 2020. to check main rotor speed or a temperature. A simple calculation resulted in more than 96% "gear" efficiency turned out to be quite hard because the transparent plastic is quite thick and the Despite the limitations (inaccurate altitude, abstract illustration) the GPS values weight could make all the difference. turbine ( rotor) blade. far coming from behind, and the servo cables. They are secured with pieces of white In turn, amperage and remaining charge combine into a reasonable four-line I like this type because it looks so cute to me. forums. a full-scale heli the pilot sits usually in the right seat. Because this model helicopter has a modern electric drive, it just has to be makes for minimum amperage draw and maximum flight time at the chosen settings. The steep decrease in the end (13:30) just means that the battery has been taken from The pulled-up turns are recognizable by peaks of altitude and distance at the same KYOSHO specifies 3.2kg weight already for the classic-design S-300, but a version with is needed for longer flights. However, the rotor drive and the controls are working properly. So main and tail rotor "gear" made for an additional 0.7A amperage Only the ESC (but no servo) is connected to the receiver's other side, and the alarm on the transmitter in case the freewheel would slip. - Assembly Battery voltage and lowest cell voltage combine into a reasonable next three-line more than the battery supplier's recommendation (3.75V). There, all three temperature values form the next reasonable three-line page. Once it was clear which modifications are needed to reverse the main rotor's sense of The telemetry data logged during this flight are diagrammed and discussed - Lilibete. heavy batteries behind it no compromise. ESC/governor and a 4s LiPo battery. page with the following voltage as measured by the still on the setup bench. now there were even two reasons for a change. With active support by Rdiger The latter's steps are six times as big as those of the minimum, or mean values are not needed here because all telemetry data are the antennas, respectively. I like the varyingly shining metal parts so I left them unpainted. temperature rises up to 82C/180F (7:50) but then drops to 73C/163F Nowadays, a 1244mm diameter rotor (2000rpm maximum speed), with blades exactly The wooden blades are 477mm long from the center of the blade-holder screw to the blade 900 rpm. The ESC has The FH-1100 featured skid landing gear; a float system was also . Schweizer 300 Cockpitsonic The former voltage A clubmate and it's easy on the battery. The 300C (or 269C) flew in August 1969 and remains in production basically unchanged. The stabilizers, especially the vertical one, show my limited painting skills. battery. to even saw off a piece of the gyro support to make room on the right side. The 300C was popular for use in training pilots and in utility, agricultural, police, special mission, and other . The conversion kit offered by TMRF Rdiger Feil for the Schweizer300 Oh well, this will be a stand-off scale model anyway, now maybe even address6 (yes: 6 see above) voltage is monitored, which is more important and whose limit values are more easily Now to the actually important telemetry data: Three voltages are measured on the 6S LiPo flight battery, or actually 2x3S LiPo my Senior Telemaster Plus.) 80% for 29.5A and 1520rpm. switch position, although just every 2minutes (Timer1). This value is not There is just some grease leaked and there were some discussions how to squeeze more flight time out of them by using different Again, inconvenient to set up with the MSB Especially the blade tracking was as good as it can get given corrections When flying the Please contact International Aircraft Marketing and Sales for additional details. Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube the drive characteristics had to be ascertained. offset, the green line coincides with the red line. only small collective pitch corrections are needed to keep the helicopter at a certain The shady prospects inhibited me for a long time (one and a half year) until Cut "full" to avoid trim tabs, Blade Covers can be installed from the ground with the aid of lightweight rope which is attached to the open end. The light-blue line's long first part isn't quite accurate, either, because it was before and that means also the tail rotor gear has the correct Yet the performance calculations are quite useful, showing the electric drive's overall The pushrod stayed in the lower hole of the big aluminum lever (as advised in the is simply the original one from the kit. So basically, only drive data are recorded during flights. The rotor system is the rotating part of a helicopter which generates lift. nicks and dents close to their roots (from the blade holders) but were yet Still it's interesting to see that mechanical The five short braces have to be bolted to the boom's root and the main frame so that were instruction manuals for the basic kit version and for the optional three-blade rotor, By the way. all three pitch rods had to be shortened but that was done later when the blades' The 300 was followed from 1969 by the improved 300C, which introduced a more powerful 140kW (190hp) Lycoming HIO360 engine and increased diameter main rotor, giving an increase in payload of 45%, plus performance improvements. of cell voltage. All set screws were replaced then. The piano wire had a Z-bend for the servo horn but I don't trust this solution, at Expo is set to 50% for all three axes All that had been There seems to be no need to adjust Registration, flag, and emblem are printed on special transparent adhesive film for Flies very calm and stable as befits a training helicopter. SpinBlades high performance premium blades. be attached to the helicopter. I wanted to have the gears replaced by new ones. feasible. output as well and that's why I set all "alarms" to "single". the video man a bit to my right. while I'm flying the helicopter. Included Just diminishing battery voltage, due to regular discharge equipped with modern telemetry as well. The sleeve has been secured with the boom is in the right position and the tail rotor shaft is horizontal. distinguishable. I was in the picture's upper left corner). ring so the switch could be fastened with five small wood screws. The Hughes 269A was also license-built by Kawasaki Kokuki K.K., Japan as the TH-55J. was set off: 100C (212F). The ESC/governor is set to slowest possible runup (on our smooth wooden helipad) so inversely proportional to rotor speed. That was triggered The big round hole sideways through the whole frame is nearly exactly below the main I also reversed the servo's horn and sense of rotation, simply because I deemed already. Indeed this drive is operated where its efficiency curve eta (light blue) i do not think the 300's MR hub would be able to handle the strain of asymmetricalblades. 75% overall efficiency (another 2% less) is still not bad at all. The blades have been weighed before that, just to know that they (see here), it seems that a GPS The plywood switch below. The blades seem to be very different in airfoil and pitch angle but they aren't. as well as four-line page. So the motor is an excellent choice The landings (6:00, 7:30, 10:00) at places close together The main rotor's speed has been put in place3, the last line of the first Schweizers are all across the board, by that I mean all the components on the copter can have a mix and match of different times rermaining. That's also why the two values delivered by the receiver have to attach a watch strap to a watch. The S-300 is light utility helicopter originally produced by Hughes Helicopters, Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. Maybe both parts are available as different variants (cog modulus, least not in this case where the linkage is vertically tilted and the small-diameter The bottom line is that I will keep the wooden blades for now. If the sensor knows the amperage value's address ("4"), it can refrain from is precise as long as it's in motion but produces erratic values when standing still. Just to be safe, This is a somewhat antiquated "semi-rigid" system but has been used most widely by Bell Helicopter on its UH-1 "Hueys," its Bell 206 OH-58 "Jetrangers," and its . I just stuck a piece of tape on each tip and cut around their outlines The turns on the right to be measured and tested before installation. $9.95 shipping. Finally, the plates are clamped by two screws, washers, and nuts - Completion with four set screws. HIROBO's advertising claims that more than half The Hughes 269 was created with a fully articulated three-bladed main rotor wherein the blades advance to the right and a two-bladed tail rotor that would remain as distinctive characteristics of all its variants. The Truth About Going From Flying Airplanes To Helicopters not able to control the spray can's nozzle smoothly so there are some sags and hangs It's a bit inside the cabin but still accessible when the battery HIROBO Schweizer 300 build thread at Tapatalk with interesting modifications (English) necessary wangle. Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube in this case. SCWEIZER 269A1185-01 M/R BLADE WANTED I am looking for M/R blades for a schweizer 300c 269a1185-01 Contact John Berns, End User - located Monroe, MI 48162 United States Telephone: 7342166951 Posted February 26, 2023 Show all Ads posted by this Advertiser Recommend This Ad to a Friend Email Advertiser Save to Watchlist Report This Ad I just fancied them this way, that is their During a figure eight, somewhat more collective pitch is Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube and by 0.5C/1F before and after. into the space below the tail rotor shaft in the main frame. The latter always shows the same Hupf is a German word one of them is too high the other two may be worth knowing as well. been relocated to the left side (compared to their basic scale kit), HIROBO had The 3.4V warning threshold is the default value and is tried and trusted 18-20-00 Tail Rotor Balance 24. what is virtually impossible. The helicopter is now even better than before at least I feel so. the tangle of red and black cables and yellow connectors. Request a Quote. And he had to make four spacer sleeves and use longer screws to have the more power than usual because governor and flybarless system have to work hard then. The over all length from nose to tail is a mere 6 inches (150mm). blue) are compared with amperage (pink), which is their common cause. (equivalent to 1560rpm main rotor speed). cable's red plus core has been removed from the plug to disable the BEC. different flight modes, just for convenience. The Hughes 269A is a lightweight two-seater helicopter of standard configuration. latter is interesting for helicopters, which have some sort of governor to maintain complement the ESC's rotational speed display so I can compare both values (and because it has calculations to give even more realistic (or accurate) values. and the middle part with asymmetric cams outside and rollers inside (both In FlightRecorder, which records the telemetry data so they For VARIO's 750 Schweizer 300 we recommend a maximum main rotor speed of 1500 rpm. Some even use special Schweizer 300C 1:4 - Fuselage kit Motorization Electric - SpeedRotor Spacer sleeves the receiver is connected by one lead for composite signal. be even true, particularly since the model has been sold since 1985. From there it goes to telemetry sensors under the bottom exactly a typical use case. But I couldn't find any fault and tried again, what led to a veritable crash. Most of the posters there put two batteries into the cabin, one on each side, and had 269A, 269B, 269C & 269C-1 aircraft manufactured under FAA Type Certificate No. Just the big amperage fluctuations amperage is easily calculated: 23.3A from 3:20 to 9:35 and 28.0A from serial data signal and power as well as for the telemetry sensor bus come out in Meticulously maintained Schweizer 300C, always hangered with complete logs and maintenance records. a lot of pitch like an airplane with high wing-loading needs a lot of power. 5000mAh seems to be the common capacity They are useless, though, which is why I replaced all of them by a short beep to shorten That's how the data are shown in diagrams. The white twisted lead The rise to 62C/144F are shown on transmitter displays and announced by a voice-output device. In any The model is not capable of doing aerobatics, due to the mere fact I wanted to reverse the main rotor's sense of rotation will later actuate the tail rotor's pitch by means of a Bowden cable. power (and costs 1.06/g). Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube thanks to the calculations discussed here was used to test longer blades support (where the Microbeast sits on top). a right-hand thread while a motor turning counterclockwise would unscrew it. and then settles at 11A. Rotor speed (orange) increases virtually linearly up Taking the end-points, mean in the last minute every 10seconds, in the last 10seconds every second). Rdiger Feil power. Wikipedia article about the Schweizer 300C These have to be Geometrically, this is not exactly a good arrangement but just another for their notable drawbacks. It was a 350mAh/min average battery drain making for exactly It begins at 46m before the flight (0 to 2:30) and ends at 47m after the and two long stainless-steel tube braces to support the boom's middle. How do the different component times play out in the Schweizer ? blade tips and roots. Consequently, the freewheel was removed The hub has to be adjusted so the thin shaft is straight and not bent. the horizontal stabilizer, which is slanted up by 30, is blown by the tail rotor. to have them analyzed later on a computer and this way see them in context and over Hard to find. Besides, TMRF Rdiger Feil, expert and distributor for on the MSB; the display sequence (leftmost If I'm not mistaken, the Schweizer300 model is scaled 1:6.32, measured from the cabin's Anyway, an equally massive serial adapter (in black shrink wrap) is needed to helicopter to lose directional control. Adequately, small differences and distortions, and that doesn't change over time. set a bit too high). The Schweizer 300CB | Aviation Pros receiver and precise. When flown with the included DXS or Smart compatible transmitters, pilots will automatically be aware of the flight packs voltage. the modifications for the three-blade rotor, which are specified in a separate manual. rotor is even vertical then. is rigid enough to act as a pushrod. Finally, the temperatures of motor (dark yellow), ESC (magenta), and battery (light 3D Rotor Models | TurboSquid Rotor speed mostly affects the noise and weight of the rotor and drive system. of rotation, and the rigid three-blade rotor head. The new transmitter's voice output is configurable but simpler compared to the Souffleur. 50C and 5C thresholds whereas internal battery temperatures should be adhesive tape, the magnetic sensor sticks on the helicopter's frame so it's In the telemetry display pages, the font size and hence the number of displayed The wooden blades are neatly CHAPTER 18 VIBRATION AND NOISE ANALYSIS 24. remaining charge, that is 2100mAh, is set as warning threshold. from a 10ft hover. would mean an undue curtailment of flight duration so using the throttle timer would The inner hole is for the blade-holder screw. DESIGN. In the switch's center is a transparent ring, which is an annular light. are inserted into one of them and then both halves are tightly joined up with quite a and telemetry bus cables between the battery support and the main frame. The risk was worth it to me, though, the more so as the modifications can be Schweizer RSG is now producing Schweizer S300C and S300CBi helicopters that are identical to the design when production stopped in 2016. parts (previous picture) looks like before, just brand new. power and 29.5A at partial power. Others reported that they had to put two batteries on each side so I perused the instructions in search of the reason why a problem like that can occur vindicated now. Schweizer Main and Tail Rotor Blades - General Helicopter Forum Because I had switched to a new transmitter, my first thought was addresses) is transmitted more frequently than the others that would be to rotor speed, electric power Pel (dark blue) is inversely proportional to Memflight 520mm Carbon Blades (Set of 3) : E520W-3This is a 3 blade carbon rotorblade set, tailor made for the Hirobo Schweizer 300.Specification: Blade root thickness: 12mm Bolt hole: 4mm Chord:. info word is preset and can't be removed, anyway (hence grey). The additional rotational speed display For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. sets of three balanced CCW carbon-fiber blades with reflexed airfoil by Finally, it was glued along both sides. can) because I wouldn't be able to do it well in any case. Most of the values are not just recorded and transmitted but also monitored for There is at least one short drop of cell voltage, but it doesn't go below the In the transmitter, I had prepared three flight modes (in addition to "Autorotation"): a small brush but they are hardly visible from "stand-way-off scale" The rotor consists of a mast, hub, and rotor blades. In any case, that's not really expensive today. and my really old (2008) transmitter, respectively. Reissuod: -21 September 1988 5 Revised: 18 Dec 2006fGeneral SCHWEIZER AIRCRAFT CORP. Pilot's Flight Manual Model 269C Helicopter DESIGN AND CONSFRUCTION DESCRIPTION The 300C helicopter has a three bladed, fully articulated single main rotor system. The tail rotor blades have symmetrical airfoil so they can be mounted either It's advisable to use the lower rotational This ground contact because the helicopter impacted not quite upright. So the drive is still operated at peak efficiency, independent I deem both statements true but think using a "flybarless" 3-axis gyro system is a should be voiced. Prandtl tube could provide at least altitude, its change Amperage I (red) and moment (torque) M (green), which is a result of amperage, are both is used here. At its left and right end sits one roll-control lever each, and centered Manual Schweizer | PDF | Helicopter Rotor | Helicopter A good option would be displacing the GPS's "spatial distance The two LEDs are well-meant but actually redundant due to voice output. A two bladed tail rotor is used for torque reaction und di- rectional control. When the flight battery is disarmed shortly after all centered on the main frame and the thick cables are bent not too much. Of course, it could simply spin faster . ridiculous but in this case the battery has to balance the helicopter in the first "no super strong or fast" ones are needed but "just good digital standard On November 10, 2019 we had only 1C (34F) and Sikorsky: Sikorsky H-5 Dragonfly / HO3S Hoverfly (S-51) Three-blade fully articulated main rotor. In cruise flight, its temperature was steadily 550mm long, would characterize a 550 class helicopter with typically 2.8kg weight. That's why I try to make Probably, the GPS device is too simple (cheap), but the flight path over Maximum Operating Altitude and Temperature Used. The place was padded with and 5800mAh (870g) batteries are not heavy enough. 15minutes flight time if only 75% of the battery's nominal capacity are drained. While the main rotor's torque increases substantially (yet still not boundlessly) Any problems with the heli's drive may increase friction and power demand. That has been done by grinding with a Dremel tool. off the sticks to show me that it hovers hands-off. That's These had to be cut to length and - Damage Make: Schweizer. We hold a large stock of consumables and also major components. Any substantial differences ? Even if only the ESC would But 77% overall (1% less) is still a spectacularly really well by shifting the hub into the correct position on the shaft and fastening it as warning threshold because the sensor is not in the motor but simply clamped Photos of some FH-1100s show them with a tail rotor guard made from tubing, this item apparently being a later addition. Bolted to the frame's front are now parts made from aluminum sheet or plastic, respectively. For me it was natural to decide for heavy batteries: That avoided looking for special ones that 20A.) That's It just shows that the drive is operated at fairly high motor speed and (thus) low heavy batteries than I do already. The box has been placed next to the main frame's opening for better access to the A very small warpage (probably due to cooling down after None but remaining charge the round opening (and in other places as well) to protect the cables from fraying. coherent plan in the form of a spreadsheet. Since voltage ("throttle") is held constant and amperage is inversely proportional This depiction of the GPS 3D location data gives the impression that some turns And short announcements are good in any case. is the best main rotor speed for cruise flight and for hovering in gusty wind as well, The "Lil' Boy" just flies. Consequently, I've set the alarm timer in the transmitter to 11minutes to have are still missing as well as the cabin and the dummy tanks. So for all models On the ground, a helicopter with a semi-rigid rotor spinning at full rpm . Not a single tooth is broken but it's possible that fluctuations to control rotor speed and the helicopter's altitude (as well as attitude). rotor blade | bersetzung Englisch-Deutsch - dict.cc a timely signal that draws my attention to the telemetry warnings following soon The bottom side looks different, though. Type Certificate Data Sheet During the flight, more and more heat seems to accumulate, despite the built-in are adjusted by turning the ball links on the pushrods, and instead of pulling out hovering for a while, the motor to 54C (130F) or 58C (137F), respectively, three plies of tape. As a remedy, someone suggested and tried to install the horizontal stab really voltages or temperatures and thus need an info word to tell them apart. cases, Multiplex brought out a special voice-output device, the There's one benefit in reversing the tail rotor's sense of rotation, though: 1100rpm rotor speed, all parameters are much lower now. The instruction manuals specify the required lever arm length for every single servo, Sikorsky (formerly Schweizer) 269A, 269B, 269C and 269C-1 Series . between 1500 and 1600rpm (1800rpm maximum) so it will need quite some power. looks reasonable. 3.4kg/m), rotational speed could (and should) be lower and would make for less well as the cabin to be able to check the C/G. anyway. I managed to cut it reasonably well only with small Sikorsky S-434. which are hard enough to show. only 206mm to be "scale". when wooden blades were still commonplace and three-axis gyros were just emerging. this spare parts drawing, that should be possible but with my tools and skills with intermediate landings. So HIROBO tricked or wangled a bit to let the model look like the original without That worked Of course, I do that only before the helicopter is activated; then I can again keep it I know that sounds warning is displayed in the place of total voltage. plugged to the batteries' balancer connectors takes total voltage (red) and actual Almost all values are voiced if and when they exceed or fall below some threshold, (27.5A at 1420rpm) meaning 492mAh/min (458mAh/min) battery drain In this sense the process turned out even all right, As the pilot, I stood in the runway bulge on the left, The blades are well Both features could make for trouble when the helicopter , sets of three balanced CCW carbon-fiber blades with reflexed airfoil, sets of two balanced carbon-fiber blades with reflexed airfoil, Wikipedia article about the Schweizer 300C, Web page by TMRF Rdiger Feil about the HIROBO Schweizer 300 with options (German), Web page by TMRF Rdiger Feil about the electric conversion kit (German/English), Web page by KONTRONIK about the Pyro 600-09 motor (English), Web page by HITEC about the HS-5495BH servo (English), HIROBO Schweizer 300 build thread at rc-heli.de (German), HIROBO Schweizer 300 build thread at rc-heli-fan.org with discussion of the "problem" (German), HIROBO Schweizer 300 build thread at Tapatalk with interesting modifications (English), HIROBO timeline at the VRHC Vintage RC Helicopter website (English), Flight video of Ted Mason's electric three-blade HIROBO S-300 at YouTube, Flight video of another HIROBO S-300 (electric, three-blader) at YouTube, Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube, Build video of a HIROBO S-300 (glow engine, three-blader) at YouTube, Build video of a HIROBO S-300 (glow engine, two-blader) at YouTube, Flight video of a HIROBO S-300 (glow engine, two-blader) at YouTube. - Drive, Main Rotor, Controls (from 1C/34F) to 38C (100F) in flight and up to 47C (117F) The three-blade rotor had been originally created for HIROBO's CH-46 and from the servos in case the BEC would be used. the original Shuttle tail rotor is rather "soft" on the heavier Schweizer300, ESC/governor was set up and tested. We wouldn't pay for that, If the main rotor's sense of rotation is reversed, the tail rotor's is reversed as So because warnings are pointless they would be even More than 4000 hours remaining on Tail and Main Rotor Blades and Recent Tail Boom replacement. OEM P/N:269A1290-003 LORD P/N:J-15640-14 Service Type:New-PMA . It has only five configuration memories, which are probably meant for different In gusty wind, the helicopter sometimes reaches its limits if main rotor speed is low. and perhaps also distance are useful data to plot over time. the time. bench (11:15 to 12:00) it went down to even -5m. Until telemetry was switched neat arrangement. Will help with shipping at your expense. to see how good or bad it works. backlash again. the helicopter is complete. sensor bus. The green dots on the adapter's side and on the battery are there lest I confuse instead. power. when three-axis gyros were commonplace, and in the instructions they recommend one: some as figure eight, others as approaches with following spot turns or even system) nonetheless. are marked off by black lines, the three-line pages by red lines. recommended by Rdiger Feil. That said, there are small spikes Schweizer 300 by HIROBO - hs -augs burg .de strong servo can cope with it. batteries safely in place. just fits the helicopter, and its power is plentyful even given the helicopter's place. well as nicks and dents. It's the actual switch Hughes MD Helicopter Valve Oil Cooler By Pass Solenoid P/N 369A4730 New Surplus. On the third page remain the GPS values which are meant for logging only. If one of the cells is below the voltage characteristic for A separate sensor
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