Hey everyone, it always bothered me when my Quad hit the ground hard, so I started looking on a way to add a suspension to it and after 2 weeks of trying, this is what I came up with:
I got some shock absorbing from a 1/10 scale buggy and added wheels, one on each side of each leg with a total of 8, they are very light (used on some airplanes like Apprentice etc). Had to 3D print some parts to hold the shocks on the Arm, I also printed the Sonar support. I am very happy with the result of the suspension. To test it I cut the power off at about 2 feet high and it hit the ground but it doesn't bounce at all (the shocks absorb all the impact). I'm very satisfied with the results, and I just wanted to share.
Comments
How about this for inspiration. The pads are light weight and allow for some slippage when landing with lateral velosity and there must be some shocks in there somewhere. And the gold foil is a nice touch.
yes, looks very strong, did you drill all these holes on the Arm or you can buy them like that?
Hey John Church, I am glad you like it, really appreciate your input...
thanks Alex for you advise, I have this thing in my mind that I am always trying to improve things, I am a designer and when something bother me I want to fix it.....or improve it..., but you are correct I need more training..and training....thanks again
hummm, not too bad Alex if I fly without the GOPRO i don't even feel any difference, but I want to upgrade my motors and ESCs anyways, I am thinking getting the AXI 2814, what do you think? does it worth investing on the frame or should I get a Droidworks or something like that?
Veikko, that is a good idea also, just need to find a very light one...
yes Ellison, this would definitely be lighter, some thing to think about...tks
Like your idea, sure we all had it at some point but only few implemented it! nicely done
now a bit of constructive comments:
Lose the wheels all together... rotate the legs to the part that is round hit the ground first and it will act like a skid...
you may need to find the optimal angle and all to make ti fold but this is the same principle as the X1 quads we sell.
http://www.canadadrones.com/ArduCopter-X1-Frame-Kit-p/x1-quad-kit1.htm
Your solution is stronger as the X1 only uses a regular spring so adding a shock is nice.
Dany
I think the 100 grams is a little too high., though It's almost the weight of a GoPro camera.
Maybe you should use wheels made specifically for aircraft, like this:
John, I used a stock shock (19g each) , the wheels are only 3g each, as far as price, I spent about $50.00 because I had to buy 4 rear (Apprentice) suspension to get the wheels etc, If we can find the source to buy just the wheels I am sure it would be lot cheaper. I did not weight the entire Quad, but the suspension only added about 100-120grams.
Like your design too, looks really good
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