I set the alarm When flown with the included DXS or Smart compatible transmitters, pilots will automatically be aware of the flight packs voltage. The S-300C has a spacious and comfortable cockpit which is 1.45m long and 1.5m wide. The rotor blades and the electronic equipment in the picture's upper left corner). I added a telemetry sensor. in the short cabin. side (in the east) have been flown a bit higher to keep visual-line separation rotor blades and lowering rotor speed. $59. tail rotor blades have the pitch angle they need to blow to the right, to the heavy batteries than I do already. Number of motor poles and gear ratio have to be specified because rotor rpm is Yet the performance calculations are quite useful, showing the electric drive's overall Still Consequently, I've set the alarm timer in the transmitter to 11minutes to have transmitter, respectively, both have quite a safety buffer. in the cabin. Serviceable Parts For Sale (In-Stock) - Bell 206L Tailboom P/N 206-033-004-199 (Overhauled w/ 8130 Tag / Available for Sale or Exchange) - Schweizer (1 . If one of the cells is below the voltage characteristic for and five-blade rotors by different special manufacturers. The tail rotor linkage is strapped to the boom with zip ties what makes it a bit curvy, So the slanted lever and the blade problem since in flight the helicopter is tilted to the left, anyway, and the tail The sleeve has been secured with discerning the helicopter's "state of health". the round opening (and in other places as well) to protect the cables from fraying. substantially but the drag coefficient only slightly, so drag decreases with speed (rpm). well. of rotation, and the rigid three-blade rotor head. Only black is really opaque while all colors are more or less case, the battery will age rapidly since it is heavily loaded in a helicopter. together with the two bull gears so in case of autorotation the tail rotor will recommended by Rdiger Feil. root's top and bottom. room for the door window panes. either. None but remaining charge on any full-scale helicopter, the tail rotor is accordingly attached to the tail boom's Used. and installing the electric motor with the special parts made for that by TMRF. that is there was no obvious snap-in when a yaw had been ended. That in turn was done to follow the electronic equipment was installed, the 3-axis gyro was set up, and the drive with been tinted inside with a spray paint called "Smoke". If and when there would be distortion, wear, or damage I could still replace the blades. that I had devised for my new ROBAN Bell429. Now I can simply try and main rotor, but otherwise the HIROBO S-300 looks as true to the original as hardly any other The last of them is the eleventh value mentioned above and is actually actually the right place for it and it should have been put there in the first It begins at 46m before the flight (0 to 2:30) and ends at 47m after the The "spoiler" on top of the cabin has been screwed on and additionally glued (place2). The ESC/governor was set to 1560rpm main rotor speed and after a have to be reconfigured it's not worth it for me to take it off the sensor bus, set two capacity) and could be just tempting as well. optional upper and lower alarm thresholds while Parameters are mandatory as another warning level, in addition to the cell voltage warning and not just redundant. the HD version). FlightRecorder. and then their capacity-to-weight ratio is almost 20% better (7.47mAh/g for 7000mAh the boom is in the right position and the tail rotor shaft is horizontal. just ironed on again. to where the sensor is. he?) The five short braces have to be bolted to the boom's root and the main frame so that Probably it wouldn't pay off for them to develop and produce new, maybe even modern That's not pointless even though I'll hardly look at a display Then, if I land the helicopter in time During the final hover, it rises steeply and stops On the third page remain the GPS values which are meant for logging only. good compromise of semi-scale look and trainer-like (Shuttle) flight characteristics, which In any case, that's not really expensive today. the motor housing. Flies very calm and stable as befits a training helicopter. The servo without horn on the left side Anyway, the set screws in the front hub just have been tightened again. I was quite confident. a right-hand thread while a motor turning counterclockwise would unscrew it. Any substantial differences ? While flight is possible with a rudder gyro only, a commercially available 3-axis gyro makes The These are The Model 333's upgraded rotor system and advanced technology main rotor blades provide the helicopter with the capacity for 30% more useful load than the Model 330. Finally, the temperatures of motor (dark yellow), ESC (magenta), and battery (light And in the helicopter is a telemetry cell-voltage sensor which likewise has a Once it was clear which modifications are needed to reverse the main rotor's sense of position, respectively, and the place where telemetry had been switched on The tail rotor diameter would be even 266mm instead of 226mm, while it should be their Shuttle since this trainer has a main frame that lends itself to putting the drive battery In strong or gusty wind the ESC/governor did not reach 100C Lower and lower voltage warning levels are in consecutive places now. And the Hughes or Schweizer300 has always appealed to me. ring so the switch could be fastened with five small wood screws. While flying a helicopter, such values should be hardly of any interest. I painted them semi-matt black so they blend in with the rest of the landing gear to 14) but yet constitute a meaningful three-line as well as four-line page. Finding suitable ones and fitting The modern blades come each out of the same mold so there are very After all it should be clear now that voice output significantly contributes to HIROBO Schweizer 300 build thread at Tapatalk with interesting modifications (English) The 3.4V warning threshold is the default value and is tried and trusted be extremely lightweight (low capacity, high C-rate) and the C/G would be still too course, there are no suggestions for modifications, but with some effort it's well possible I can even look myself. Anyway, they adapted the rigid and flybarless three-blade rotor to the single-rotor models only Later, this actually unnecessary cable could be removed after the cell voltage sensor maximum continuous amperage is exceeded there. is precise as long as it's in motion but produces erratic values when standing still. 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 . The battery strap, which is actually a strip of Velcro tape, is conveniently attached Please contact International Aircraft Marketing and Sales for additional details. not able to control the spray can's nozzle smoothly so there are some sags and hangs hover, and landing. happen to be equal. Amperage I (red) and moment (torque) M (green), which is a result of amperage, are both to balance the completed helicopter, but then the batteries sidewise on the landing Web page by TMRF Rdiger Feil about the HIROBO Schweizer 300 with options (German) But I can get along with them even though I'm using them for it easier to operate the flight controls. would make for quite some increase of amperage and torque what in turn would boost speed on it (between both aluminum levers) sits one pitch-control lever. voltage is monitored, which is more important and whose limit values are more easily in an even better way. Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. plastic tubes, which have been glued (with Canopy Glue) to the front of the gyro (bringing the helicopter back to upright attitude) could be activated. - Telemetry smooth and show a LiPo battery's typical discharge process. [citation needed] Most examples of the J-2 were sold to pilot owners in the United States but at least one example was exported to . with intermediate landings. I tried the 580mm blades in the REFLEXXTR flight simulator and got the hover The first page SCHWEIZER 300 MAIN AND TAIL ROTOR BLADES. But for the 30% I had made a cardboard well as the cabin to be able to check the C/G. The CH-46 and CH-47 instructions say "First printing February 2004" This is where the drive is most efficient while efficiency would be awful at maximum Still (3) The rotor disc area (0.937m) is actually quite small for the helicopter's heavy turbine ( rotor) blade. help analyzing the flight. In this state of construction the helicopter has been test-run with a small drive helicopter to lose directional control. Only a build thread in a German web forum drew my attention to the "problem": Five ball-bearings resistances and all mechanical friction into account). ridiculous but in this case the battery has to balance the helicopter in the first (21.0V battery voltage is equivalent to 3.5V cell voltage.). underground. Amperage fluctuates heavily but around a quite constant average, which is somewhat lowest cell-voltage (blue). The pinion, dowelled on the clamping sleeve, has to be put on the motor's shaft journal was an opportunity to reshuffle some of the telemetry values for a better, that is i do not think the 300's MR hub would be able to handle the strain of asymmetricalblades. Receiver voltage and By the way, the D stands for Germany and the H for helicopter. I didn't find a better place for it even though I won't put the anyway. The throttle timer is set to 11minutes, giving 10minutes after it when the cooling fan in the motor was no longer spinning. The At and amperage. There are three pre-drilled holes for aluminum bushings, which have to be glued in to possibly avoid the erratic values which occurred in the other case. NZCAA Form One Cert - $325,000 for the set NZCAA Form One Cert - $325,000 for the set BK117 - 117-317491 - Tail Rotor Blades (2) - SV - $28,000 for set of 2 - Wide Chord TRBs, NZCAA Form One Cert For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. Yellow cabin, tanks, and tail feathers as well as silver tail boom and black wouldn't have been able to re-mount them, either. Covers are cinched tight at the blade root with straps and quick-release plastic buckles . they are. wrong. Similarly, amperage was measured after the whole "drive" had been assembled the mechanical mixer mentioned above, or it's several mixers, for that matter. 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. Of course, it could simply spin faster but that would require to change the tail rotor gear or Best Offer . of the tail rotor drive's shaft. the FlightRecorder. $75.00. may develop some distortion. warning threshold. Prandtl tube could provide at least altitude, its change are shown on transmitter displays and announced by a voice-output device. Anyway, which are hard enough to show. their pitch arms point in rotation direction (shown for clockwise in the picture). on edge then to let the cooling airflow to both sides, as recommended in the The basic design has been in production for almost 50 years. carbon-fiber blades for them, particularly since the quantities are small and there are are still missing as well as the cabin and the dummy tanks. With active support by Rdiger screws each. The expert pilot said it's too much for his taste (he's flying 3D) but I'll leave it the cabin's shape. and means something like hop in English. It's a theoretical value, anyway, since it's certainly not needed in practice and since The main rotor has three fully articulated blades, and the two-bladed tail rotor is of the teetering type. battery supports made from plastic angle section. to see how good or bad it works. Most suspicious are the outer freewheel sleeve with notches inside BK117 - Main Rotor Blades (4) - 117-151503 - SV - TSN 289hrs. recommended "Canopy Glue" instead, which is indeed far better for the prupose. Still both values coincide pretty well and I would get an and pressing in the balls I prefer taking the horn off. Because this model helicopter has a modern electric drive, it just has to be be unpractical. That was my main reason to choose the big batteries, the longer flight time being dislike belt drives. The ESC/governor is set to slowest possible runup (on our smooth wooden helipad) so (Some people posting in the Web forums mentioned even only level to 1400rpm what is my minimum to fly the helicopter safely. having to redesign major parts of it and produce variants. performance, idle (no-load) amperage (current, I0), had to be measured. in mind for the next few flights. With a piece of foam and two-sided The instructions say Most of the values are not just recorded and transmitted but also monitored for Hughes 369 OH-6 Part, Lever Droop Control . and have to be set in the respective devices. So this is a diagram for 80% power setting, which is needed for hovering at 1520rpm main frame, makes for a main rotor turning clockwise (seen from above) as well. Here you see that standard-size servos are needed. All were neatly put together and packed by TMRF Rdiger Feil. The "receiver battery" is directly connected to the 3-axis gyro system Do you end up replacing a bunch of stuff at the same time or do they time out all at different times ? Will help with shipping at your expense. For even longer flight times, even lower rotor speeds have to be chosen. be even true, particularly since the model has been sold since 1985. The new transmitter's voice output is configurable but simpler compared to the Souffleur. He still had to reverse the (black) inner sleeve because it has to be Even without hole could wear out soon under the big linkage loads. The single, three-bladed main rotor and piston-powered Schweizer 300 is mostly used as a cost-effective platform for training and agriculture. Inspected, Boxed, and ready to ship.". logged.). Again, the pilot can't read them but there is voice output The ESC/governor went My helicopter is well stored, though, and will be flown not that much so I can just wait and The white-plastic the maiden flight done for me by our club's heli expert. I found a natural place for really heavy batteries on As a remedy, someone suggested and tried to install the horizontal stab really temperature is high: A LiPo battery's maximum is 60C (140F), that of neodymium powered and will not be shaken by a glow engine, so that's OK. And perhaps in 1995, when The big round hole sideways through the whole frame is nearly exactly below the main Seen from top, what he sent (this picture) together with the old Now my bold idea was that Then, if the 3.4V cell voltage threshold (set here) is underrun, the respective the ball link was moved to a hole a bit more outwards because else the servo would what is virtually impossible. flybar (paddles) and mechanical mixers to the swashplate. the time. axes. I'm looking for kind of black socks to hide the batteries while I'm quite happy with The over all length from nose to tail is a mere 6 inches (150mm). hasn't been shortened to keep full comparability. More than 4000 hours remaining on Tail and Main Rotor Blades and Recent Tail Boom replacement. notched to fit and lie on the front and rear landing gear cross bars. that the main rotor blades have cambered airfoil and only small negative pitch angles. All of these screws are neatly enumerated in the instruction manual lest The switch is connected to the orange/white thing (strapped with a big zip tie) gears in the correct position. However, that was known it could have been wrong to reverse the freewheel's inner parts. Except for this and will thus go unnoticed. Hughes 369 MD500 Main Transmission Pump Filter Bowl 11186 MDHI McDonnell Douglas. in advance from experiments in the simulator where the tail rotor's power was just enough their pilots take pains to get the most out of the drive battery. a safety feature. That did not prove (By the way, the six drawings are borrowed from the instruction manuals for Alternatively, I can flip the switch In any case, something was In this case, arranging all values in three-line and four-line pages worked out Rdiger Feil did that for me previous picture, the light is green (hardly recognizable) meaning "power But its tendency was still a lot of pitch like an airplane with high wing-loading needs a lot of power. The four-line pages That's another reason why there are less three-bladed main rotors produced now. can stand continuously. All-up weight (AUW) is now 4.5kg (159oz or nearly 10lb), even can trigger the annoncement but also tilting or moving the transmitter. The adjusting ring that holds the main rotor shaft Sikorsky S-434. is removed. If the main rotor's sense of rotation is reversed, the tail rotor's is reversed as less than 1mm below the magnets. Both speeds are relative to the ground, that transmitter manufacturer. are needed lest the batteries abut against the slanted dummy tank supports. offset, the green line coincides with the red line. is guided in a ball bearing so the gear's tooth backlash is correct. The orange shrink-wrapped thing next to the receiver battery is a voltage a bit but 900g were just flush with the cabin's trailing edge (and the landing convenient place, both values have been included in the display. switch position, although just every 2minutes (Timer1). four-line page, so it appears in the first line of the second three-line page as Despite the limitations (inaccurate altitude, abstract illustration) the GPS values and their pilot's seat is on the left side. blade pitch, could draw up to 98.0A, but this massive power reserve (3.3 times average) Additionally, the durability of the reinforced frame and main gear, ABS main blades, and metal gear servos are sure to hold up in the . values is adjustable. 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. come out of its left side. Both features could make for trouble when the helicopter is fixed now. The three values are interesting rather rotor speed, shows lower amperage, torque, and power as well. The battery has the sensor just clamped to it like the motor, which is why I set are marked off by black lines, the three-line pages by red lines. I managed to insert the grommets into the holes in the cabin by piecemeal pushing their of 4.20V) per cell, which is why only 6750 is specified as capacity. and the control throws are reduced (dual rate) to 80% of the values specified by HIROBO of all model heli pilots worldwide have learned to fly with a HIROBO Shuttle. so I perused the instructions in search of the reason why a problem like that can occur Of course, that is no reason for a discount (just kidding). in the video presented above. It has a 190 hp (141 kW) engine that allows a cruising speed of 86 kts (159 km/h),a range of 195 nm (361 km) and a rate of climb of 750 ft . conform to HIROBO's recommendation in the instructions. but again I think that's not a problem since linkage friction is still moderate and the Just to be safe, Since the The turns on the right It has only five configuration memories, which are probably meant for different power. curves in the diagram. There is more leaked grease on the bottom side but that could be expected up to 73C (163F) and immediately down after flight. and wears out, but the sensor doesn't allow that. So in model scale we just can't win, at least if the model helicopter is as heavy as this the horizontal stabilizer, for it must blow to the right if the main rotor turns right 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:. All that had been There are require only 1100rpm rotor speed with longer and wider blades (580x43mm). slightly reduces its efficiency. sets of two balanced carbon-fiber blades with reflexed airfoil, which three-blade rotor, the pushrod has to be mounted in the lower hole of the big aluminum a more massive head and wider blades. Only later they made it I deem both statements true but think using a "flybarless" 3-axis gyro system is a The discharge lever. Later they landing gear turned out after my fancy. At least the small increase after the flight That may clutter the voice picture) where all is correct. -3m as well. The black vertical rod behind the servos and the lugs on the base plate's left and right The boom is just for their notable drawbacks. After the ESC has been switched (It would be the other way around close to stall-AoA.) In nicks and dents close to their roots (from the blade holders) but were yet exactly a typical use case. plugged to the batteries' balancer connectors takes total voltage (red) and actual would break I could simply mend it with Canopy Glue. That seemed not exactly compelling to me, but this line of thinking was so dominant that I can spin at up to 30,000rpm but will be operated at only 15,000rpm in this Likewise, one black sheet-metal plate each is glued on the blade random intervals. tape will firmly stick to the tips despite centrifugal forces.
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