Posted by dsquad | Today @ 12:54 AM | 24 Views
BUGS 6 Full Review (10 min 20 sec)

Posted by MikeRx | Yesterday @ 11:50 PM | 49 Views
Here is an early evolution of my sub 250 gram speedmodels, 1.5 yr ago.
Only 177 grams with 370 mah 6s.
High winds and use of speed range show good flight character and high efficiency.
That was less than 280 mah flight...
3s prop setup in pic..
Tiny pylon racer in winds on 6s, 25 volts! (4 min 48 sec)

Posted by lawrence4 | Yesterday @ 10:07 PM | 79 Views
My vector paper plane 7 years ago.
3mm foam
Wingspan 528mm
Long 563mm
Motor C1404 2900kv 9.6g
Battery 2S 250mAh
Propeller GWS EP-4530
Weight 150g
Servo x 3 (pull-pull system)
Posted by ptern | Yesterday @ 09:25 PM | 136 Views
I am starting this thread on how to rewind the K110 1s motor to make it run on 2S.
The prefer new wire size is 31AWG gauge or 0.226mm or 0.0089 inches wire diameter.
Posted by erikspencer | Yesterday @ 09:11 PM | 103 Views
First ever vertical box-frame w/ split-level, I think.

Also, just for looks, first ever slanted roof (using only carbon). Supposed to give a smaller projected footprint when flying at angle, ...but most 3d printed pods already do this.

These frames are becoming popular with some German pilots for their flight characteristics. ( Carbix frames or Blitzfpv frames ).

I think the gist is low-drag & reduced drift. The box-frame distributes loads well, allows just 2mm arms, so it's not horrible on weight.

I have a 66 gram version (no hardware weight) getting approved on Armattan Productions, mainly just to show this can be done w/o being too heavy or expensive--I expect under $40.
Posted by racedouge1 | Yesterday @ 08:54 PM | 104 Views
1968 Moore point to point CNC jig grinder running on Fanuc 16...This baby is in tip-top shape. When I was a lot younger I used to do 200 holes a day on a manual.
Posted by racedouge1 | Yesterday @ 08:31 PM | 126 Views
Some unfortunate news...RC Foam is going out of business, I guess if you can't get Depron any more you can't sell it. Fortunately for me I drove down and picked up a box of 9mm. So I built a mini bow and have a whipit. I wonder what kind of wing I can build with a whole box.
Posted by BarnOwl | Yesterday @ 06:04 PM | 161 Views
Recently I got myself an ASW 28 glider, a Grand Tundra and the latest Spitfire 1450mm as toys. I have not flown the Spitfire yet as I still have to finish the build but it is my only warbird and a beautiful one.......
Posted by Galox | Yesterday @ 04:20 PM | 209 Views
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Posted by Jim.Thompson | Yesterday @ 04:19 PM | 200 Views
The advantages of this method are:
1. Light and strong.
2. Ease of construction.
3. Quick and cheap. Foam for the ribs can often be found from recyclers.
4. Accuracy. All ribs cut together in the one set up. Cannot get them better aligned than that.

For my next constant chord wing using this method, I plan to construct the spar first. It will go something like this:

1. A foam core tapered in thickness will be hot wire cut. Dimensions will be the airfoil thickness minus the carbon caps, minus 1 mm for sanding/fairing balsa. Lets say, nominally 35 mm high and 8mm tapering to 4mm thick, (for example sake only).
2. This core will be faced in 1 mm Pauwlonia ( but could be balsa or basswood et. al.) with vertical grain orientation.
3. End grain of the timber is then sanded down to the foam.
4. Pre-made carbon spar caps are then added to the top and bottom of the assembly. These will be layed up using common uni-carbon/laminating epoxy which is cheap.
The thickness of these caps are tapered out to the tips.
5. The caps are glued on and the assembly wrapped with Dyneema, Kevlar, or other similar high strength braided line. Then all given a light application of thinned epoxy resin.
6. The "laser method" hot wire cut ribs are cut with a slot to take the spar. The building board might be in two parts, to enable separation of the two halves to allow the spar to be lowered into place, glue applied, then the two halves brought together.

I fully expect this assembly to be super strong and super strong.

Video of a top cut:
Top cut left wing (1 min 35 sec)

Posted by RocketMouse | Yesterday @ 03:28 PM | 224 Views

Home button to PWM5.
Select button to PWM6.
Display to I2C port
Bluetooth to UART1
Local GPS to UART2


1. Short bootloader pins (Boot headers (11) - check pdf from link above), connect Usb.
2. Using Betaflight or Cleanflight configurator in Chrome upload SPRACINGF3_**.hex FW from here


1. Download and install Configurator from here
2. Run Configurator from Chrome Apps. Select Com port, select Bauds 115200, press Connect. Press CLI ENTER. Now all parameters should get loaded. Set in settings PROTOCOL to Autodect, and set BAUDRATE same as your bluetooth or radiomodem speed. I use 57600 for Mavlink. Press SAVE. To connect again to Configurator set Bauds to 57600 at the top.

Tip: Uart1 is in parallel with Usb, and it means telemetry is not coming in when Usb connected. You can connect a Bluetooth module to uart1. Usb is only useful for flashing new versions. You can, may and should configure/tune the tracker «wirelessly».

If not set by default, run the following command in CLI mode to be able to use the local gps function through serial port 1 (UART2):
serial 1 2 38400 38400 0 115200

Other settings should be like this for Ublox GPS:
set gps_provider=UBLOX
set gps_sbas_mode=AUTO
set gps_auto_config=ON
set gps_auto_baud=ON

On screen info for local GPS:
RX: received packets
ERRs:...Continue Reading
Posted by fastmax | Yesterday @ 12:58 PM | 305 Views
My Remo Hobby 1093-ST arrived over the weekend, and I am super excited about this truck. It looks great, and seems to be a very nice quality truck for the price. I haven't had a chance to run it yet, but the battery is charging now, and I will get it out for a test drive this afternoon.

Check out the pics, and stay tuned for more info, and running video coming shortly.

This 1/10 Scale Ready To Run Scaler/Trail Truck is now on sale here for $149.99 during the Christmas sales going on now at Gearbest.

Printing some scale accessories while I wait for the truck to arrive. Propane tank, and some other cool stuff can be found here. Wheel hubs can be found here. The shackles can be found here....Continue Reading
Posted by Ethan Ater | Yesterday @ 12:29 PM | 277 Views
It’s finally here! The game changer in EPP biplane 3D madness

TwistedHobbys / Hacker Model Pittsbull Teaser (1 min 38 sec)

Posted by Prof100 | Yesterday @ 12:25 PM | 276 Views
Enjoy. Been around for quite a while. 2009 video. Enough power and you can fly a pair of gym socks.
Dirty Old Sock Parkflyer (0 min 31 sec)

Posted by Pierre_de’ Loop | Yesterday @ 11:39 AM | 303 Views
The parts for the left side of the wing have been cut out and made ready assembly. No word from BUSA yet but I'm feeling better about the results on the right side. I haven't run across any online pictures of Taube bones that look substantially different than mine. I figure that means I'm on the right track.
Posted by japim | Yesterday @ 10:48 AM | 322 Views
A friend of mine finished his Me 109 model from 3D Lab Print.
He was a very good R/C Combat flier, but haven't flown for couple years already.
Me 109 from 3D LabPrint was supposed to be his come back.
Weather was very bad for flying - rain + wind. White model on grey sky.
But he was very determined to make the maiden flight either way.

Maiden was OK.
Second flight was not so much OK...
3D LABPrint Me109 maiden + crash (3 min 4 sec)

Posted by basslord1124 | Yesterday @ 09:33 AM | 349 Views
Just recently did my first livestream on my channel Perkyplanes & RC. Here's the full video:

Perkyplanes & RC First Livestream! (1 hr 18 min 56 sec)

Posted by scousethief | Yesterday @ 07:50 AM | 427 Views

Diatone 2019 GT R249 HD Edition 95mm 2 Inch 4S FPV Racing RC Drone PNP w/ Mamba F4 OSD 25A Dshot600 RunCam Split Mini 2 TX200U

Diatone 2019 GT-Rabbit R249(R90) 2inch HD FPV Racing Drone PNP F4 8K OSD 20A Blheli_S ESC RunCam Split Mini 2

Receiver plug port - Frsky R-XSR JST1.25

Brand name: Diatone
Item name: GT-Rabbit R249(R90) 2inch 3-4S
Color: Bla/White/Transparent
Fury F4 OSD 8K flight controller: MPU6000 Six-Axis; OSD; 16M Flash; 5V 2A BEC;
Camera: RunCam Split Mini 2
VTX: Runcam TX200U VTX


Model RunCam TX200U
Frequency Channel 5.8G 48CH
Output Power 25mW / 200mW
Working Current 5V@150~400mA
Voltage out 5V@max 250mA
Voltage in 1S 3.5-5.5V
Video Input Impedance 75 Ohm
Antenna U.FL 5.8G 2dB Omni antenna
Weight 2.5g (with antenna)
PCB Size 19mm*19mm

ESC: F25 20A Current Sensor 3-4S
Motor: Mamba racing 1105 5500KV 3-4S
Propeller: 2 inch

Please note:
The PNP (Plug and Play) version comes without battery, charger, receiver or remote control.

Package included:
1 x 2019 GT-Rabbit R249(R90) 2inch HD Version


Diatone 2019 GT R249 95mm 2 Inch 4S FPV Racing RC...Continue Reading
Posted by frank4wing | Yesterday @ 06:06 AM | 454 Views
Another frankensteined XJB-145, this time in a GEPRC MX3 frame with a Mobius Mini mounted to the top. The Mobius is a little gem that makes a brilliant picture and has a nice software to configure it.

XJB-145 & Mobius Mini, First Take (3 min 29 sec)