Posted by scousethief | Today @ 08:43 AM | 1 Views
You know you want one

Smallest Flying Sports car -Koncepto Millenya- (3 min 1 sec)

Posted by scousethief | Today @ 07:19 AM | 50 Views
This will be a relatively simple test between the various DVR's that we use for recording FPV footage , there are of course some restraints that we have to take into consideration when testing which i will try and explain as i go along.

To make a clean comparison i will -- as far as possible-- use the exact same equipment for each test only swapping out the DVR , there are of course some like the Stack-X and the Split that require their own camera.



The original Eachine TS215 DVR
...Continue Reading
Posted by lawrence4 | Today @ 02:51 AM | 121 Views
3mm foam.
DSMX receiver build in 3A BL ESC.
Eflite 180 2500kv motor
GWS EP-5030
Line servo x 2
2S...Continue Reading
Posted by yqrninja | Yesterday @ 11:51 PM | 158 Views
Saturday nights job is to carve out the foam at the wing roots in order accept the wing bolt blocks. I think primarily this is to provide some support the wing bolts and prevent crushing. Blocks are less than 5g. Carving the blocks only takes a few minutes on the belt sander. Happy with the way it all fit together.

Supporting the wing up to the blue print specs to get the right amount of dihedral, and epoxying it together. This time I needed a thicker epoxy lightened with some micro-ballons. I was careful again not to go crazy with the epoxy when gluing the blocks. It is tempting to squish in alot of epoxy and glue it together. Lots of epoxy does not equal more strength. That is the job of the fiberglass center joints. (Tomorrows job). After weighting before and after block glueing, epoxy added 1.6g.

Also.......I found a wonderful beer by Black Bridge Brewers, these guys know how to make an IPA. Outstanding. I can have a beer on a Saturday.
Posted by XionUAV | Yesterday @ 11:33 PM | 157 Views
Another plane I picked up used and cheap. I like cheap planes like this because there's less attachment, which is good because this one snapped over and went in inverted on its first launch. Mostly my fault for not throttling up enough when tossed. I will admit that I'm jealous of the guys who just underhand lob this one and the EFXtra and they take off perfectly smooth and level. Still working on that one. Just need more practice. Normally I prefer to overhand throw so a plane is already one mistake high at launch. Of course that didn't help much the first time.

Stock motor and ESC running an APC 6x4. Motor is kind of noisy. Not the best quality. Will probably swap it out with something better later.

Nothing really new here since there are already bunches of videos and other info on this plane and its successor. Finally tossed the rebuilt Racer yesterday. Used a 4S with a quarter ounce of weight taped to the front of the battery to get the CG at center specs. Didn't notice anything odd with the control surface travel (the elevator was centered at neutral) but right after launch it started climbing excessively, which was clearly abnormal. At cruise throttle it would climb, stall and drop. Full down would produce mostly level flight. Low throttle and full down trim was required to get a hands-off cruise. Up elevator would snap it over into a rolling loop. To bring it down controlled I had to either keep it in a banking turn or would occasionally roll it over and do a...Continue Reading
Posted by yqrninja | Yesterday @ 11:26 PM | 166 Views
Friday evenings job is to glass the wing edges. This is to support the carbon rods to the tip extensions. I will be building the Odyssey in the dihedral configuration. Using as little epoxy as possible. Wet it out then using paper towel to pick up the excess. I am using slow cure epoxy from a company called Raka (, I had some left over from another project and it is wonder stuff to work with, high viscosity compared to the hobby store stuff. This should allow me to keep the epoxy pretty thin.
Posted by yqrninja | Yesterday @ 11:10 PM | 165 Views
Curious to see how it measures up I weighted everything.

Raw parts weight in at 907.77g, and thats leaving out the receiver weight. As I am undecided about what Rx to go with, I estimate that to be in the 10g range. So now I'm looking at ~920 g. The big unknown for me is how much the incidentals are going to weigh for example epoxy, and the end weight of the lacquer finish.
Posted by jimharley909 | Yesterday @ 10:57 PM | 159 Views
This won't be too wordy as I'll let the pictures speak for themselves.
IMG_0760 by jim harley, on Flickr

This past weekend was the U.S. Air Force Museum's annual WWI fly-in and airshow. The turnout was phenomenal on Saturday. It was in the low 60's and cloudy but other than that it was busy all day with both spectators and R/C modelers. I haven't been to this since it's inaugural event years ago and it did not disappoint. Balsa U.S.A. had a nice tent set up and they had a number of kits for sale. The full scale guys had a good presence with about a dozen aircraft representing a mix of full scale and 'stand off scale' replicas. There was a full scale Fokker DR. 1 with a rotary engine that was just stunning. There was also a full scale Spad with an opposed engine...looked like a big Lycoming but I could be wrong.

IMG_0763 by jim harley, on Flickr

Last Thursday a couple guys from the Alliance Balsa Bees invited me down and be a part of the show. Rick Jacobs graciously let me fly is beautiful BUSA Pup in the show, which was quite an honor. Wright Field is more or less mecca for the USAF and military aviation in general. The selection of models in attendance were some of the best I have ever seen in one location...and there were a lot of them. I didn't count but if I had to guess there were over 40 models and both allotted flying times saw at least 10-15 models on the flight line with up to 6 in the air at one time. I think there would have been more but the wind was...Continue Reading
Posted by yqrninja | Yesterday @ 10:53 PM | 169 Views
Fall 2018 Odyssey ECL build log.

After a couple of years of following the Arthobby thread, and watching anything I could on YouTube about the ArtHobby gliders I ordered the Odyssey. I struggled with pure glider verses electric assist. I e-mailed Andre, and he advised that the new light weight version was about to be released. The new ECL version was quickly shipped and delivered in less than 7 days.

Combined with a Castle 25 ESC and Art1300 motor, which is capable of lifting a 1300g air frame, the projected weight is suppose to be around 900g. I am sceptical at being able to get that weight as everything that I have seen on the web is greater than 1100-1200g.
Posted by GroundControlRC | Yesterday @ 07:40 PM | 209 Views
RC Tip #17 - FPV System Test Before Flight

RC Tip #17 - FPV System Test Before Flight (1 min 16 sec)

After having an FPV System Failure on a brand new system I decided to not only test it on the ground before flight but also test it in the air before putting on my FPV Goggles or Visor.

I do this by using my FPV Monitor and DVR to record the flight video from the FPV Camera and then review the footage to make sure the system is working properly and the signal is stable.

This will at least expose any immediate issue with your new FPV System and hopefully save your aircraft.

Always check before Flying FPV!

Here is a link to this FPV Camera:
Turbowing 5.8G 48CH 25mw Transmitter 700TVL 120 Degree Wide Angle Wireless FPV Camera NTSC - Copper Antenna

Build, Fly, Crash, Repair, Rinse & Repeat!

Happy Flying!
Posted by aben71 | Yesterday @ 06:43 PM | 249 Views
Today I rounded up a bunch of my quadcopters and took them out for a flight test with the Jumper T12./This is such a fantastic transmitter to have,I brought out five quadcopters and only needed the one transmitter to use them all!Awesome

Jumper T12 Muli Protocol Open TX Field Test (15 min 52 sec)

Get one here
Posted by montis | Yesterday @ 03:17 PM | 320 Views
In the August of 2018 Jumper introduced the T8SG Lite radio – the “little brother” of the Jumper T8SG.

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Jumper T8SG Lite

Lite version of the T8SG comes in a small box, with a chance to be broken in the severe postal processes. I have received the undamaged unit despite my package beeing totally crushed.

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Inside the box we can find the transmitter itself, USB mini type cable and nice Jumper neck strap (lanyard).

...Continue Reading
Posted by Ghia | Yesterday @ 01:08 PM | 369 Views
Lipo chart
Posted by ivordel | Yesterday @ 08:33 AM | 497 Views
It's not going to be pretty!

Looked in the spares box and found enough to botch something together.

Bits found:
F4 fc flashed it with inav fw
20A simonk esc x4
Ppm encoder
Mini GPS with mag
850kv brushless got these from giantshark/giantcod (they went belly up circa 2015), so @ least 3yrs old
12mm alu tubing
Alu plates 2mm
Zmr 250 cf arm
8x4.5 props

Runs on 4s lipo

It lives.

Part box build (0 min 45 sec)

Yes, it's a rainy day....Continue Reading
Posted by BAF23 | Yesterday @ 08:03 AM | 529 Views
Chapter 1: Introduction to the Tipsy Nipper

Pic at cox

How can you squeeze a person of normal height and shoulders into that tiny cockpit?

Aircraft history

In 1952 designer Ernest Oscar Tips started designing his diminutive T66 in the Fairey aircraft factory in Gosselies Belgium. As the Hawker Hunter license production ran down he started building prototype OO-NIP that was testflown with open cockpit on 2 december 1957 by Belgium’s famous test pilot Bernard Neefs. In 1959 production started on the closed canopy Mk2 that were powered by a 45hp Volkswagen, Stamo or Hepu engines with exposed cylinder heads, 64 were built till 1962 (+78 kits delivered). Because Fairey started producing the F104 Starfighter, the Nipper production was then taken over by Cobelavia that produced 18 Rollason cowled-engine Mk3 Nippers in a hangar in Kortessem (just a few km from my town and model airfield) till 1966. From then on production of complete aircraft (and kits) was transferred to the U.K. Slingsby built them till in 1971 the Donington based firm went bankrupt (after producing 32 complete aircraft). Later kit produced variants even boosted a 85hp Jabiru engine. Nowadays many still are airworthy in the UK, Belgium and the Netherlands.

The design philosophy had been to produce a lightweight single seat aircraft that was cheap to produce and operate, and easy to fly. Although not the smallest nor prettiest, it was the smallest practical aircraft and even had aerobatic...Continue Reading
Posted by schumixmd | Yesterday @ 06:38 AM | 504 Views
After getting myself a new FrSky Horus X10 to enter the OpenTX world, I was offered to review the Jumper T8SG Lite Multi-Protocol transmitter which also runs on a open-source firmware.

The transmitter came few days ago. After playing with it for few days here's what I think...
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The Box and unbox:

The Jumper T8SG Lite comes in a small box and assuming the shipping company would handle the box normally it is unlikely to be damaged. In the box you don't get too much - the transmitter itself, a nice orange neckstrap with Jumper text and a mini-usb cable. The batteries are not included.
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Posted by codersilver | Yesterday @ 06:34 AM | 482 Views
First tests of a new RC security vehicle

4WD security robot - field tests by day (1 min 33 sec)

If you would like to see my other projects just visit:
Posted by TinkleWid | Yesterday @ 05:33 AM | 497 Views
What a step up from the SQ12! Even without the firmware update!!

🐢 Caddx Turle 🐢 Firmware/Settings Test on XJB145 with BR3 Frame - Sunset Run (2 min 43 sec)

Testing setting on my Caddx Turtle with the original firmware (v1) during sunset. I forgot to upgrade the firmware before starting so there are some artefacts on the footage due to the lower bitrate. However, the lack of detail gives it a dreamy feeling. These should be much improved with the firmware update.

However, I am loving the new BR3 Frame from Kwad Karl. It flies so much better than the original xjb frame. It is much more stable and carries a 4s 850mah very nicely. Further testing to follow when the storms pass.

To upgrade the firmware copy download to empty sd card from

Quad Set-Up

BR3 Frame:

PIDS used for this video on Betaflight 3.3 (same as xjb 145 for first test)
Roll: 45, 45, 27; Pitch: 46, 50, 30 Yaw:70, 45, 20
Tatu 4S 650mah but moving to 850mah to reduce sag

HGLRC XJB 145 Mini Quadunder insides

Jumper T8SG

Caddx Turtlet or Caddx Turtle

Comparison with Quelima SQ12 720p footage
Lens Modified SQ12 Camera on HGLRC XJB 3" Quad - Smooth Flying (Betaflight 3.3) (1 min 24 sec)

Posted by XionUAV | Yesterday @ 03:12 AM | 564 Views
Always thought this was a cool looking glider and kicked myself for not getting the kit version when they went on sale. Wasn't interested in paying full price for a new PNP but recently found a used PNP locally and picked it up for about half of new price. With PNP anything you're always at the mercy of the manufacturer to install quality components, or not. Many times it's the latter. The Excalibur had it's issues as I'll mention later.

Anyone who knows anything about wing design knows that forward-swept wings make an aircraft inherently more unstable. In scale test aircraft this was on purpose to also make it more maneuverable. While I wasn't in the design studio for the Excalibur, I strongly suspect the design had nothing to do with advanced aerodynamics and more of being different and looking cool. And it does.

The previous owner of this one had broken the nose partly off and repaired it decently, but had also installed a fixed APC 8x6 prop and spinner for some bizarre reason. This on a plane designed for a 13x7 folder. His price was very fair regardless and he threw in a Strix Goblin for free that he had also apparently used as a lawn dart at some point. It was a little rough but is getting wood ailerons and a typical rebuild. Should fly fine when completed.

First order of business for the Excalibur was Graupner 13x7 blades and a BB vented aluminum spinner. The tail servos had also been installed with the control rods in the outer servo arm holes and they were...Continue Reading
Posted by mperaltaoz | Yesterday @ 02:42 AM | 547 Views
Hi All,
I wanted to build a new profile plane capable of flying very slowly and in small areas (thinking of my backyard).
I decided to go with the Piaget 2 which looks pretty nice and seems to fly well.
My version is pretty close to the original, with the following specs:
- Wingspan: 800mm
- Motor 1500kv
- Prop 9x5
- ESC 12V
- 3x 9g servos
- Batteries 2S 750mAh

She flies amazingly well and I'm loving every minute! Those slow 3D manoeuvres are a pleasure to see, and I even flew her at night under a lightpole in a park nearby.

Photos and plans below