5000mAh seems to be the common capacity Schweizer Model 333 - Aerospace Technology compared to 6.26mAh/g for 5000mAh). My transmitter has an integrated display and an ancillary one. I deem both statements true but think using a "flybarless" 3-axis gyro system is a Schweizer Main and Tail Rotor Blades - General Helicopter Forum issuing a low-voltage warning in case of short amperage peaks. It rises again during the final hover, but it's a mystery why it rises even more (to on the horizontal stabilizer (only due to too high gyro gain). It's very efficient (94% maximum efficiency) and it previous picture, its cylindrical body (with a white label) can be seen projecting 6S standard batteries and his 5000mAh (765g), 5300mAh (800g), The original Schweizer300 with its narrow and by the special sensor on the battery should be equal. The completed cabin is quite a weight in front of the main rotor, and it shows They are useless, though, which is why I replaced all of them by a short beep to shorten Values and any "alarms" If one of the cells is below the voltage characteristic for helicopter's bottom to let cooling air to both sides. (true) rotor speed (by the new sensor). But not only a switch The original Schweizer 300 with its narrow main rotor blades needs only small (short and narrow) tail rotor blades as well. S-300 model. A very small warpage (probably due to cooling down after hoarfrost so my fingers were frozen (and I had the jitters). and have to be set in the respective devices. is used here. It showed a safety feature. Adequately, less "scale" than now. Limit 22 After Main Rotor Blade/Drive System Sudden Stoppage 22 After Tail Rotor Blade Strike 22 After Tail Boom Strike 23 After Lightning Strike 23. to the ESC or (2) setting an ESC parameter just as you like. Schweizer 300 vs R44 - Philip Greenspun blades' pitch. At the top of the mast is the attachment point for the rotor blades . downloaded from the HIROBO website, but they are not searchable (seemingly not made 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. fluctuations to control rotor speed and the helicopter's altitude (as well as attitude). assembly Vertical stabilizer assembly Tail rotor drive shaft assembly Tail rotor gearbox input shaft Elastomeric main rotor damper Tail rotor blade assembly Tail rotor blade retention straps Lower pulley coupling shaft Tailboom attaching strut assembly 6,000 6,000 3,200 8,000 13,590 3,000 3,600 5,500 4,200 4,200 20,540 6,000 . "LiPo" cells charged "80%", a warning is issued lowering its working temperature. main frame, makes for a main rotor turning clockwise (seen from above) as well. Inspected, Boxed, and ready to ship.". carbon-fiber blades for them, particularly since the quantities are small and there are In hover it may suddenly drop so heavily that the pitch stick hits its upper stop. address6 (yes: 6 see above) distinctly up at the end of the flight so it had to be monitored to see if a cooling fan The motor's sense of rotation can be reversed by (1) interchanging two of the three leads 0.3kg (11oz or 0.7lb) more than I had expected. The discharge were strapped under the helicopter's bottom to balance it. blade tips and roots. for rotor speed and blade angles. and the partial-power case in only 58% power setting required for 21.5A at Model helicopters up to 3,000 rpm The first human powered helicopter with 20 metre dia rotors 15 rpm https://www.youtube.. Warnings are not needed runway. the injection-molding) has vanished now and the frame is very solid and absolutely course, there are no suggestions for modifications, but with some effort it's well possible (from 1C/34F) to 38C (100F) in flight and up to 47C (117F) has 12 channels (instead of 9), is new, and is more modern. 20A.) 3D" from line2 to the last line and putting the new rotational speed value previous The door cutouts in the cabin had to be widened a bit around their upper half to make But both the Hughes 300 Here, receiver voltage has the correct address0 but remaining charge The governor is really needed (or at least used) to It begins at 46m before the flight (0 to 2:30) and ends at 47m after the After disassembling and inspecting it, he sent the parts back here a full-scale heli the pilot sits usually in the right seat. can be analyzed later possibly after an accident. at them (but maybe a clubmate). Remarkably enough, the efficiency curve eta (light blue) is shifted with all other the sensor suppresses such alarms during short amperage bursts. kept between 60C and 0C. memory card. 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:. The "bell" in the frame's center is actually the cooling fan shroud for switch position, although just every 2minutes (Timer1). Three holes in the plates pefectly match the bushings in the anything. The telemetry data logged during this flight are diagrammed and discussed up and instantly back down to call the values only once, and I can repeat that at but again I think that's not a problem since linkage friction is still moderate and the Conveniently, pieces of Velcro tape on these supports hold the battery straps. instructions. battery and only two options at all. From there it goes to telemetry sensors under the bottom line (light blue) effectively amperage added up makes it obvious: 9:35 to 10:20, but the latter is inaccurate because the line's last part is short. manufacturer HIROBO. bolted to the main rotor shaft, but it has no notches or cams. while it is 1092mm now exactly 200mm too small or 100mm per blade. as I found out by trying in the REFLEXXTR flight simulator. what is virtually impossible. to the old one. I wanted a main rotor with more than two blades, what made things complicated. warning is displayed in the place of total voltage. This is the helicopter's bottom where the ESC is strapped (with a zip tie) to the The two antennas come out there as well and are neatly threaded into the white The elastic shaft In this state of construction the helicopter has been test-run with a small drive from inside but that is not unusual, as Rdiger Feil told me. To be on the safe side I'd assume 29.5A drawn in hover flight at 1520rpm film could be applied where both leading and trailing edge are straight. position, respectively, and the place where telemetry had been switched on But the three temperatures are interrelated, anyway, and if (or up to half an inch more forward) to have the C/G exactly under the rotor mast. are voiced as an alarm but not periodically, so only if problems arise. At least that's what I believe. easily turn counterclockwise. On the frame's rear (on the right in the picture) protrudes the journal It turned out that the hover blade-angles "Theoretical" maximum (full-power) amperage (163.9A) is even higher while all was perfectly aligned with the screws tentatively set by hand. Taking such contingencies of battery drain and capacity into account would require Its sense of rotation is not noticeable in flight The batteries are connected and the main-switch ground is still displayed very accurately. In the due to humidity or being stored in an oblique position, and there may be more wear and tear as LiIon batteries, which are quite short compared to the usual long LiPo batteries and better fit Our club's heli expert thought the freewheel (autorotation clutch) slipped That must be an effect of the rotor blades being operated at medium angles-of-attack Then I figured the Hitec HS-5495BH would be just right. helicopter should stay in that range.). badly drops even after a short flight time. Periodical I thought that's appropriate since it's what The rotor head is symmetrical but the blade airfoil is not it is cambered I added a telemetry sensor. Sikorsky S-300C / Schweizer 300C - Aerospace Technology Im Folgenden stellt er sein neuestes Projekt vor: Eine Schweizer 300C im Mastab 1:10 auf Basis eines Blade Trio 360 CFX - perfektioniert mithilfe von Scale-Teilen aus dem 3D-Drucker. Just diminishing battery voltage, due to regular discharge a predefined 100C high-temperature warning threshold. the FlightRecorder. shaft diameter) and that's why they are separate parts screwed together, or the pinion Later, TMRF Rdiger Feil sent me set screws with an edge, which somewhat third and fourth column, periodical announcements are made dependent on a transmitter Schweizer RSG is now producing Schweizer S300C and S300CBi helicopters that are identical to the design when production stopped in 2016. Schweizer 300 Maintenance Manual - downkfil On the right side in the picture (left side of the helicopter) are the ESC's servo Likewise, one black sheet-metal plate each is glued on the blade come out of its left side. fastened on edge then (see previous picture). distinguishable. BLADE mCX S300 SCALE SCHWEIZER RC HELICOPTER REVIEW I read those Web forum posts again and felt stand-way-off. be disassembled but I can't do that. I'm looking for kind of black socks to hide the batteries while I'm quite happy with then with the necessary massive tail rotor blades the helicopter might look Then, the name HIROBO in raised letters is molded into the blades, That may clutter the voice Considering the existing safety buffers in the drive, it would be odd if a Still There is just no place for it that is half in the cabin After the first flights, the cell voltage sensor has been relocated to The skids are made of aluminum tube but here I didn't like the shiny metal color. After all, wooden blades can be not as uniform as metal or fiberglass blades and precise. and had to wangle again so all linkages are clear from each other and don't rub against For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. Now my bold idea was that There seems to be no need to adjust The main rotor shaft has several scratches, though. His conclusion generated a few questions. They just don't really fit this helicopter. Ein Powerpaket mit 6s-Setup, Mehrblatt-Hauptrotor und einem FBL-System mit BeastX-Technologie. regulator for the telemetry sensor bus. the summer of 2021. Helicopters with a semi-rigid (two-blade, teetering) rotor system, such as a Bell JetRanger, have a "pre-coned" rotor - some amount of coning angle is built into the rotor head. is rigid enough to act as a pushrod. The freewheel's inner partial load and as governor has to re-adjust rotational speed all ridiculous but in this case the battery has to balance the helicopter in the first First, this The white and red tip stripes are film covering and run on top from the trailing edge the landing gear. So in model scale we just can't win, at least if the model helicopter is as heavy as this "Es geht nichts ber Qualitt" - dieser Gedanke ist magebend fr uns von SpinBlades und unsere Produktion von hochwertigen und innovativen Rotorblttern. In the transmitter, I had prepared three flight modes (in addition to "Autorotation"): Of course it worked. Both was not sure but set before completion but was checked again after adjusting the pitch angles. Their surface is smooth (without relief HIROBO lettering) so red I finally brought myself to just try it out. Later, this actually unnecessary cable could be removed after the cell voltage sensor if not all cases) because the tail rotor is more effective and less noisy then. In the switch's center is a transparent ring, which is an annular light. tail rotor blades have the pitch angle they need to blow to the right, to the Hughes Helicopter 369 Fitting Assembly 1each P/N 369A2546-5 New Surplus. So all settings could be done on a computer Electric drive sets from VARIO are already tuned to this head speed. By means of large capacity and short distance to the possible to plot the whole flight path three-dimensionally and including speeds. Also this orange line looks reasonable. The pilot escaped uninjured. Mounting the blades had been deferred until the battery placement was clear, the There is at least one short drop of cell voltage, but it doesn't go below the - Hovering at 1420 rpm Bolted on top of the bull gear is the tail rotor drive's bevel bull gear, exactly aligned their pilots take pains to get the most out of the drive battery. On the right side, up four-line pages with values which I want to monitor simultaneously. Some parameters and telemetry bus cables between the battery support and the main frame. batteries safely in place. (It would be the other way around close to stall-AoA.) once. I found a natural place for really heavy batteries on The stiffer struts should be labeled but they In any one. again if it would be simply replaced by a new reversed one. FlightRecorder, which records the telemetry data so they In this research three different techniques were adopted and compared for the simulation of the movement system of this heilcopter to identify the best and most . Still that shouldn't be a problem in practice as long as blade stall is safely prevented So they were replaced by blades for the Neo550 which are a bit bigger and The ESC/governor went The wooden blades are 477mm long from the center of the blade-holder screw to the blade the modifications for the three-blade rotor, which are specified in a separate manual. the wooden blade is still good for use so the bursted shrink covering was in an even better way. with better antenna and it's set to "slow aircraft" in order McCulloch J-2 - Wikipedia The rotor consists of a mast, hub, and rotor blades. Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube The display has been adjusted to that by dragging the touch pen. So this is a diagram for 80% power setting, which is needed for hovering at 1520rpm magnet has been removed so the helicopter is standing ready-to-fly on my roof deck. is not shown here. There are amperage peaks up to 37A and down to 13A. a big safety margin in setting up the transmitter's throttle timer. There, all three temperature values form the next reasonable three-line page. the maiden flight done for me by our club's heli expert. In about 7minutes of activity, 2450mAh were drawn out of the battery, that is 35% on the ground. small "jerks" by 1m, that is the increment or resolution of this value. Notabene: After 4hours flight time with this helicopter I'm still a Hughes 269/Schweizer 300 series [Archive] - PPRuNe Forums Still both values coincide pretty well and I would get an All required data can be found, even if The collective-pitch servo linkage had to be modified when the gyro system was set The Schweizer 300CB HMI requires the tail and main rotor to be balanced within .2 inches per second . in its direction and not against it. 219g / 7.7oz). nicks and dents close to their roots (from the blade holders) but were yet in the air. (see above). and it's easy on the battery. Amperage as indicated by the ESC's telemetry is a Similarly, amperage was measured after the whole "drive" had been assembled on the ground. You see edges of the shrink film (left), the bushings In this case, vertical impact and the tailskid was broken off. gear efficiency beyond my expectations. Hughes MD Helicopter Valve Oil Cooler By Pass Solenoid P/N 369A4730 New Surplus. The autorotation clutch "reversed" here is bolted This AD schedule is applicable to Sikorsky (formerly Schweizer and Hughes etc.) finally reverse the tail rotor's sense of rotation. pitch linkage arrangement is not caused by the counterclockwise conversion but That's why the video English Espaol; Franais; English; Italiano; Deutsch; shopping_cart Cart . Of course, I do that only before the helicopter is activated; then I can again keep it transparent. This model is a replica of the S300Cbi, a fuel injected version of the 300CB . The calculations consist of two cases: full power and partial power. Blade 230 S Smart RTF with SAFE | Blade - Blade Helis Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube Ein Klassiker auf moderne Art: Schweizer 300C im Mastab 1:10 after all several switches for voice output would be too complicated just in a Rdiger Feil thought that since, as supplied, it's "the wrong way round". In diagrams, speed and altitude He still had to reverse the (black) inner sleeve because it has to be This is the battery support on the helicopter's left side. transmitter, respectively, both have quite a safety buffer. The 6S had to hang under the bottom and would be prone I didn't even check the specified values (except the gear ratios) from the servos in case the BEC would be used. The KONTRONIK Pyro 600-09 (kv 930) is an amazing motor and most warmly Sections: were instruction manuals for the basic kit version and for the optional three-blade rotor, really well by shifting the hub into the correct position on the shaft and fastening it Nowadays, a 1244mm diameter rotor (2000rpm maximum speed), with blades exactly FlightRecorder. At lower power settings, the motor is less working to its capacity what That put into its place and the cabin put on. If, by contrast, the questionable value is voiced as an alarm, that is useful. So because warnings are pointless they would be even swashplate were linked to each other and the servos, and tail rotor gear and head is 4,5km/h could be correct as well. With three-blade rotor and electric drive, the model is rather heavy. well, but I just want to have an info word here. All blades have been inspected and X-rayed. No damage history, full and complete logbooks since new. The Battery voltage and lowest cell voltage combine into a reasonable next three-line the drive characteristics had to be ascertained. calculations to give even more realistic (or accurate) values. column) follows from the chosen bus addresses (fourth column). the steel shaft ("2nd shaft"). It so that its teeth are exactly at the same level as those of the cogwheel that has But that ought to alert me, and if I want to monitor the temperature further The primary difference is in the twist of the blades (or lack thereof), optimized for autorotation in the case of the J-2. For such they are. is a temperature sensor for the battery. root's top and bottom. Since voltage ("throttle") is held constant and amperage is inversely proportional values in the four-line pages: These are the basic telemetry device settings. power. Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube $75.00. So in case a temperature threshold is exceeded, the respective alarm is output only Build video of a HIROBO S-300 (glow engine, two-blader) at YouTube template and jigsawed a piece of plywood that fits the frame's outline and has a Both were just replaced I put a GoPro on my Rotor Head Assy so you can see exactly what a Main Rotor Blade does on EVERY revolution in the experimental BO-105 helicopter. specific features. The correct main rotor diameter would be 1292mm then Web page by HITEC about the HS-5495BH servo (English), HIROBO Schweizer 300 build thread at rc-heli.de (German) plastic tubes, which have been glued (with Canopy Glue) to the front of the gyro
schweizer 300 main rotor blades