Originally Posted by UFO Doctor
Dear Miru Mod Friends
The central cross can break at hard landings. The old UFO Doctor and his 8 year old granddaughter smashed 3 Parrot Central Crosses!
A very efficient and simple shock protection has been presented by Candu1.
In short, with standard 4.5x1.34x200 mm cable ties you can prevent damages at hard landings by a factor of 2!
Please have a look at the following report:
Thandks UFO Doctor for an excellent detailed documentation of a "scientific" test using available test equipment on the cable tie landing gear! Just an update on actual usage:
I tried a "high altitude" normal landing from about 30 feet this morning, just to see how the ardrone would react. It dropped rapidly until it gets to within a couple of feet from the ground and it slowed its descend to a "perfect" landing on all fours. However, the left front cable tie landing gear snapped in two. The landing was a litter harder than normal but not really that bad so the cable tie could have failed from material fatigue, since it flexes on every landing.