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Old Feb 26, 2012, 07:12 PM
Flying a Chipmunk in Portugal
jhsa's Avatar
NRW, Germany
Joined Sep 2010
3,419 Posts
If you look at airplanes retracting their gear, many times one goes up before the other..
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Old Feb 26, 2012, 09:03 PM
I'll fly anything...
Efliernz's Avatar
Hamilton, New Zealand
Joined Jan 2007
963 Posts
I have used a basic single servo with pushrods. I use rubberbands (to be replaced with springs tonight) to assist the u/c in coming up. While it worked without the assistance on the bench, the prop blast stopped it fully retracting (unless I dropped to 6" in ground effect).
I'll take a photo of it tonight but this was the 3rd test-flight of my new diy Octo alst night.

Pete

Pete's DIY Octocopter - a quick test flight (2 min 12 sec)
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Old Feb 26, 2012, 09:15 PM
Emress
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United States, SD, Rapid City
Joined Nov 2011
1,936 Posts
Nice! but look at those wires sagging :P
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Old Feb 27, 2012, 01:31 AM
I'll fly anything...
Efliernz's Avatar
Hamilton, New Zealand
Joined Jan 2007
963 Posts
Tidied up now
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Old Feb 27, 2012, 02:11 AM
The simplest, the better!
pdemon's Avatar
Italy, Europe
Joined Apr 2002
1,056 Posts
Hi
here is my landing gear solution.
The goal was to have something light, simple and out of the centre plate so not to mess with gimbal and payloads.
The legs lock in upper position and when extracted, are simply held by tight friction in the ABS pivoting rod
Tested for many flights, they work very well.
All parts CNC cutted from Lexan
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Old Feb 27, 2012, 04:52 AM
Flying a Chipmunk in Portugal
jhsa's Avatar
NRW, Germany
Joined Sep 2010
3,419 Posts
nice work.. but is it me or I can't see the retract system?? What do you use for retracting them? servos?
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Old Feb 27, 2012, 07:28 AM
The simplest, the better!
pdemon's Avatar
Italy, Europe
Joined Apr 2002
1,056 Posts
Quote:
Originally Posted by jhsa View Post
nice work.. but is it me or I can't see the retract system?? What do you use for retracting them? servos?
Hi jhsa
I didn't talk about retracts!
They could fall in the "foldable" category... nice for travelling or simply transporting you multi without obstrusive landing gear...
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Old Feb 27, 2012, 07:54 AM
Flying a Chipmunk in Portugal
jhsa's Avatar
NRW, Germany
Joined Sep 2010
3,419 Posts
true.. very nice indeed.. long legs can be a pain to transport
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Old Mar 01, 2012, 12:14 PM
Flying a Chipmunk in Portugal
jhsa's Avatar
NRW, Germany
Joined Sep 2010
3,419 Posts
it's flying.. Huuurrraah

Quad Update - Finally Flying (6 min 18 sec)
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Old Mar 01, 2012, 09:56 PM
Registered User
gardena, ca
Joined Feb 2003
440 Posts
Here is a pic of my tri. It uses foam insulation tubes for landing gear and general aircraft floatation. The landing gears are shock mounted to the arms with rubber bands.
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Old Mar 02, 2012, 02:59 AM
Flying a Chipmunk in Portugal
jhsa's Avatar
NRW, Germany
Joined Sep 2010
3,419 Posts
And... where is the picture??
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Old Mar 14, 2012, 01:59 PM
Registered User
Denmark, Region Zealand, Jyderup
Joined Jun 2010
395 Posts
i use the MK Flexlander L on my gaui 500
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Old Mar 15, 2012, 11:17 PM
Arizona Rim Country
Joined Nov 2001
497 Posts
Easy Landing Gear and shock absorbing

Credit for this goes to RCBIF

Have a look at the video

http://www.rcgroups.com/forums/showt...g+gear&page=10

post #137
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Old Mar 16, 2012, 04:21 AM
Do a Barrel Roll!
rcbif's Avatar
United States, OH, Medina
Joined Jun 2005
1,021 Posts
Quote:
Originally Posted by pcaffeldt View Post
Credit for this goes to RCBIF

Have a look at the video

http://www.rcgroups.com/forums/showt...g+gear&page=10

post #137
Ha, I just found this thread and was going to post my video

Here is my video of my home-made boiled pvc multicopter gear.
Mine are really big for training purposes, but I guess you could makes smaller ones. They have survived numerous rough landings, inculding a few power off "landings" from 5ft, and one big fall from 15ft after one of my motors fell off

DIY Multicopter ( Tri, Quad, ect.) Training Gear (3 min 19 sec)
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Last edited by rcbif; Mar 16, 2012 at 11:01 AM.
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Old Mar 16, 2012, 09:33 AM
Arizona Rim Country
Joined Nov 2001
497 Posts
Its a great design

Hey !

It fits right in with the DIY philosophy and it works !

Great job Great idea !
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