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HomeAircraftHelicopterMain Discussion › Personal safety cage or cover for hard smack down 3d flying(Solved, finally)
09-06-2013 05:39 PM  4 years agoPost 41
Craigdieslemac

rrKey Veteran

Valdosta, Ga USA

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the only way to know what will really work is to test it.. by flying a helicopter into it.. the tent loses already.
Chain-link is a no brainer, a heli is not going through that.
Anybody have some spare 700 size old heli's laying around? Someone could do some testing with different things to see what will and what won't wrap a 700 up. Like I said before, I don't think you necessarily need something thats going to be like a brick wall for the heli to hit.. just something to catch it/ stop it.

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09-06-2013 06:21 PM  4 years agoPost 42
Luvmyhelis

rrApprentice

Spokane, Washington. USA

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We discussed this in great detail last month over at RCG after our fellow flyer from Europe got killed with his 700. Keep in mind whatever you use has to have good visibility and be easy to tear down and erect. And also be cost effective. Also the material has to absorb shock and fold inward without fracturing. This not only saves the individual inside but the object hitting it. Shrapnel from hitting harder material can damage a person just as badly as a strike. You are trying to slow down the mass quickly but yield at the same time.

My design was using flexible umbrella supports made out of bonded nylon/kevlar braid. Rigid yet yielding. Plus lightweight. Then kevlar reinforced nylon netting that is almost clear. Virtually nothing can get through that stuff. Just a few simple cross braces. An aluminum support rod on the back with an anchor, and bingo. A better picture would be if you have ever seen one of the lamps from the 80s that has a mess of lights arching off a main pole that is seated in the corner? The main support rod itself is anchored in the back. And the stiff braided arches come down forward off of that in what looks like an extended umbrella top. Each one anchoring with a tent peg into the ground. The nylon/kevlar netting fills the gap between those ribs and drapes all the way down to the ground. Quite simple, unbelievably light and strong, and easy! A guy could do this for under $100.

Old cranky heli builder

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09-06-2013 06:29 PM  4 years agoPost 43
dialarotor

rrElite Veteran

Traverse City, Michigan

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Hang some of this from a goal post and fly a big heli into and see what happens
Film it for others to see and evaluate.

http://www.memphisnet.net/product/6...o_8plymonotwist

RapRexSynLog Pilot

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09-06-2013 06:31 PM  4 years agoPost 44
Luvmyhelis

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Spokane, Washington. USA

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That is some tough stuff! I bet that would work. What you are trying to do is wrap the heli up as it enters the mesh and slow it down within a couple feet.

Old cranky heli builder

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09-06-2013 06:33 PM  4 years agoPost 45
qraptor

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Illinois

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Seems inexpensive and light; 35 yds per pound. And at 8 ply, it should not be easy to slice with a blade, esp. if its kept loose.

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09-06-2013 06:48 PM  4 years agoPost 46
smj

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cambridgeshire uk

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Perhaps there is a market for the 'foo shield' after all!

"All people have the right to stupidity but some abuse the privilege."

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09-06-2013 07:05 PM  4 years agoPost 47
Rob Harrison

rrNovice

Mobile, Al. U.S.A

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What about the "Foo" Shield?

Who remembers good old "Foo"?

Robert Harrison Mobile, Al.Proud Member of A.C.M.A.

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09-06-2013 07:15 PM  4 years agoPost 48
Rob Harrison

rrNovice

Mobile, Al. U.S.A

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Sorry SMJ. Didn't see your post right above mine...

Robert Harrison Mobile, Al.Proud Member of A.C.M.A.

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09-06-2013 07:15 PM  4 years agoPost 49
Craigdieslemac

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Valdosta, Ga USA

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That looks good! who is donating the airframe to fly into it? Maybe we could have a safety meet.. bring all your old junker airframes and electronics.. see how many operational birds we can make. Then crash them into stuff.

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09-06-2013 07:58 PM  4 years agoPost 50
Tyler

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Chicagoland area

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You said,....

Foo shield!!!

Now I don't have to.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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09-06-2013 07:59 PM  4 years agoPost 51
Tyler

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Chicagoland area

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Align could provide test models....

Note, I said could, not should.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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09-06-2013 08:07 PM  4 years agoPost 52
Craigdieslemac

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Valdosta, Ga USA

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I would be willing to donate my time.. and some money in different net styles/catching devices. I will be home in October and will have a month or better off of work. I would be able to donate a lot of time to the research if anybody is truly interested.

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09-06-2013 08:28 PM  4 years agoPost 53
hindsight

rrVeteran

Texas..

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Lets contact Align team pilots. Have them push Align to test and build something..
They are Major players in this hobby and nets should be standard equipment... Hey Dino are you reading... Lets all PM him and get the ball rolling.. I have a 90 se frame and Os motor I can donate to the cause.... I'm still building my net.. Thanks so much and please keep the ideas rolling in...

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09-06-2013 08:51 PM  4 years agoPost 54
sonnyhad

rrProfessor

Holland,Mi

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Simply not practical! once over the top and it happens to hit this device, it could come over and cause more damage to life and limbs as on the safe side you don't look for danger! Quit trying to be safety nuts and just fly safe! Duh! $hit happens so count on it and fly safe. You who are over safe, don't fly your 450's in parks then! Auto makers spend billions of dollars trying to produce safer cars, yet people still die in them. I am not against safety, most of it lies within ourselves to control. Accidents, will happen. You all know that! So keep it in mind always, and let the memory of Roman Jr serve to remind us all.

Bald Pilots usually wear hats!

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09-06-2013 09:37 PM  4 years agoPost 55
dela

rrApprentice

Stillwater Oklahoma

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I've had this idea for a while, and I think it is time to try it.

Premise: you don't have to completely stop the heli to survive; you have to allow something to absorb the energy of the FIRST BLADE STRIKE for each blade.

If you can let something else absorb the bulk of the energy of the blades on the first strike, you'll probably survive further contact with the heli.

I envision standing next to a POLE that is a few feet taller than me. I will stand next to the pole so I can see the heli well, but also try to keep the pole nominally between me and the heli. Should the heli come at me, I should have time to move behind the pole, letting the pole take the first strike of each blade. That should save my life, but of course there are no guarantees.

Another possibility, I stand between two poles.

Comments?

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09-06-2013 10:08 PM  4 years agoPost 56
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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The pole dancer idea works well for you. But, what about me? The guy standing 20' off to the side that doesn't have a pole for protection?

One guy at our local "unauthorized" flying field came back from IRCHA with "new confidence" and starting flying closer to the ground, faster and closer to himself. He scared the crap out of us. When we asked him about it, it was the classic "well, if I kill myself, its my fault".
I don't give a damn about him. I care about ME. While he may have been in complete control, he was still flying irresponsibly.
One "minor" mistake / misjudgment / failure and someone dies.

My guess is that is what happen to the guy in Brooklyn
http://blogs.wsj.com/metropolis/201...an-in-brooklyn/
Except, he got his wish: He killed himself instead of someone else.

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09-06-2013 10:09 PM  4 years agoPost 57
Craigdieslemac

rrKey Veteran

Valdosta, Ga USA

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I think anything is better than nothing.. What would your pole be made of?
Another idea for something a field could do is put netting up.. And make doorways for pilots to stand in so your view is not blocked and anyone behind you would be safe(r). With this idea.. You could use the same net that golf driving ranges use. I'm not sure how practical this would be, but for larger clubs it may be doable.. Again.. Just an idea.
I think the monofilament netting has the most promise for anyone who just wants to set up in a remote field for those days of flying all alone.

Aut viam inveniam aut faciam

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09-06-2013 10:16 PM  4 years agoPost 58
spiderco

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Henderson, Nevada

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Another possibility, I stand between two poles.
Problem is the blades can depart and continue towards you after it strikes the pole.

I can fly 3D with my heli 50 foot away from me just fine. I don't feel that I need a cage when the helicopter is at least that distance from me.

If you must have the security of a cage, a simple market umbrella on a stand with netting draped over it would give you protection and easy to erect, fold up and store.

fly til its dry

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09-06-2013 10:23 PM  4 years agoPost 59
rudyy

rrElite Veteran

E. Amherst, NY

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I totally agree that netting device should be mandatory for sanctioned event, but getting a cage or net for casual flying is just too much trouble. Just implement some basic safety protocol like flying at a minimum distance of 60ft or so.

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09-06-2013 10:24 PM  4 years agoPost 60
sonnyhad

rrProfessor

Holland,Mi

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I think all of you who propose the netting stuff, should buy it yourselves! I don't need anyone passing that crap on my. Its like the bicycle helmets kids wear today. Some one came up with that and made a retirement for themselves. As a kid we never wore that stuff and I still don't. Although it might have saved a few headaches, but won't save one from breaking his neck!

Bald Pilots usually wear hats!

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HomeAircraftHelicopterMain Discussion › Personal safety cage or cover for hard smack down 3d flying(Solved, finally)
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