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Comment by Gary Mortimer on September 28, 2011 at 5:03am

Fantastic work Patrice but the issue of safety has to be addressed. Please be careful where you fly.

Comment by apocolipse on September 28, 2011 at 5:41am

Nice Patrice.   @gary there was enough buffer for a comfortable safety area in this test, at least he wasn't flying over/near people :)  (Its not easy to find good places to fly in cities)

Comment by Héctor García de Marina on September 28, 2011 at 6:26am

yeah! so smart playing with blades around people.

Have you read a recent post about what happen if one of these propellers "touch" your skin?

Comment by Jason Short on September 28, 2011 at 9:54am

I fly in a park like this 3 times a week and I do a lot of things to keep it safe. #1 is Quads with the cheap plastic GWS electric style props at a million times safer than the reenforced Nylon APC props. I've caught one of those near full throttle in my hand and the props fly off. I also cut the throttle if anyone or a dog comes near. You just need to be prepared to ditch at a moment's notice.



Comment by Squalish on September 28, 2011 at 10:14am

* The |X| configuration is one that can have relatively easy/lightweight prop guards.  Guards should be considered wherever there are ops around people.

* Getting hit by a propeller is a lot less painful with lots of small props than with one large prop.

* Material (and angular momentum) is important to how much damage is done, moreso than power or size.

* Propeller design changes are likely amenable to making the edges of the props safer - at least, within the bounds of other adjustments we make around here.

* How viable are prop savers as a safety device?

Comment by estebanflyer on September 28, 2011 at 10:59am

Patrice, did you try to tie the bottle to the frame?

Comment by estebanflyer on September 28, 2011 at 11:00am

BTW, what a bitter feeling it is when people start slowly walking to you and/or your copter, full of curiosity... right? :)

Comment by John Church on September 28, 2011 at 11:16am

Nice experiment!

Patrice seems to catch quite a flogging each time he posts here. We all do what we can to get all the flying time in that's possible. Do we know whether or not this is an RC friendly park? These sights may be common-place in that area.

Comment by patrice.rance on September 28, 2011 at 11:37am

I will put protection around my propeller very soon.




Comment by Grizouille on September 28, 2011 at 11:49am

C'est pas grave Patrice tu peux voler tranquille ceux sont juste des Parisiens !!!


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