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Home✈️Aircraft🚁Helicoptere-BladeOther › blade end Protectoin
09-07-2006 05:34 AM  14 years ago
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whirlybird 1

rrApprentice

flatwoods ky U.S.A.

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blade end Protectoin
Has anyone tried this to protect the tips of the blades?
Idea is to dip the ends of the blades in the tool handle rubber solution, about 1" and let it dry.
Would this be more effective in protecting the blades, in case of a tip over or scrape on the ground? I use Packing tape, but it is a pain in the @#$%# to put on and get smooth
Would this add to much weight to the blades?
I am using wood sym. blades from Heli-direct, by the way.
What do you all think?
As always any comments or ideas would be welcomed.
Mike
Blade Cp 11.1 lipos ugraded chassie bell-hiller dual tail motor /T-Rex SA Upgrading to SE
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09-07-2006 05:44 AM  14 years ago
Skiddz

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Carlsbad, CA

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Getting the blades balanced again might be a problem, not to mention the added stress on the blade grips with that extra weight slinging around out there. These grips don't have thrust bearings so high centrifugal loads are not a good thing.

Maybe a layer or two of packing tape out on the ends might help and rebalancing wouldn't be much of an issue as the added weight would be negligable.
A helicopter is 10,000 parts spinning rapidly around an oil leak.
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09-07-2006 02:51 PM  14 years ago
snobdrs

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coatesville,pa-usa

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what also works good is avoiding the groundSupport your local hobby shop
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09-07-2006 05:08 PM  14 years ago
bbeverlie

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Hudson,New Hampshire.USA

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Go with the packing tape! Yes it's a pain but it
works with no ill affects and holds better than
the plastic covering on the blades alone and it
dosen't have to be perfect, If you have an air
bubble a razor blade slit will take care of that
AMA#846952
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09-07-2006 06:56 PM  14 years ago
arclite5

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coral springs, florida - usa

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I found that adding packing tape to the tips was a huge pain in the butt because no matter what you'd always have the folds in the tape because you're going over a curved edge.

Then my brain suggested something to me.

Lay the tape on the tip, then the part of the tape that is going over the edge -- slit this end of the tape. Multiple times. Usually I slit it about 5-7 times per 1/2 inch or so. This way when it goes over the edge, it doesn't fold over itself. You fold one slit over the edge at a time. This'll form a kind of cross-thatching on the underside of the blade, instead of annoying folds. Works very well, takes a minute to do.
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09-07-2006 07:16 PM  14 years ago
bbeverlie

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Hudson,New Hampshire.USA

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Sounds like to much work, I only worry about the leading
edge of the blade not the end tip!
AMA#846952
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09-07-2006 07:36 PM  14 years ago
Micro-Maniac

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Pasco,Washington Formerly: Captain Chaos

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You don't have to fold and conture the tape - You can just lay it flat across the top and bottom of the blades and stick it to itself out past the tips and trim off the excess - It won't hurt to leave some out past the tips as it will just aid more in protecting the blades.

Think of it like ID card lamination.
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09-07-2006 09:00 PM  14 years ago
whirlybird 1

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flatwoods ky U.S.A.

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sounds like everyone uses tape. Has any weighed the blades before and after to find out how musch the tape weights?
I cant imagine that a thin coat of rubber on the tips of the blades would add alot the the weight of the blade, but I could be wrong.
What about thining the rubber material down with a solvemt?
I just want to keep the plastic skin from peeling off after it is scraped and tearing further. Maybe salvage a blade or two that I would normally change out
Blade Cp 11.1 lipos ugraded chassie bell-hiller dual tail motor /T-Rex SA Upgrading to SE
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09-07-2006 09:18 PM  14 years ago
bbeverlie

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Hudson,New Hampshire.USA

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Well, you can certainly try it and let us know, however
it will make it difficult I suspect to balance an individual
blade but you can balance the head with blades as an
assembly which is how I do it with good results.
AMA#846952
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09-08-2006 01:59 PM  14 years ago
hover_lover

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Milwaukee, Wisconsin, USA

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I just want to keep the plastic skin from peeling off after it is scraped and tearing further.
Assuming that is your motive, remove the plastic, sand lightly and paint to your satisfaction. Works great and adds a new element of customization to your heli. You can even achieve perfect balance by applying a little more paint to the light blade. Spray paint or airbrush is best.
I've got a strong urge to fly but I've got no where to fly to... fly to... fly to...
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09-12-2006 04:45 AM  14 years ago
whirlybird 1

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flatwoods ky U.S.A.

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blade protection
Well I finally went ahead and tried the rubber handle grip compound on the tips of my blades and the results are incouraging.
After thining the stuff 3 to 1 rubber to thinner I dipped the blade ends in the solution and let them dry. The balance was within 1/4 bubble on the blade balancer but dont know how much weight it added (no scale).
Coverage and smoothness is good. Resestance to scraping seems good also.
I will have to experement more with reapplying more after scarping the blades on the cement more but I think it might be a sucess.
Shouldnt be to long on more research as I scrape blades often
This method is much easier than putting tape on the blades but dont know yet if it is as durable.
Mike
Blade Cp 11.1 lipos ugraded chassie bell-hiller dual tail motor /T-Rex SA Upgrading to SE
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09-12-2006 06:18 AM  14 years ago
BikeNBoatN

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Santa Ana, CA USA

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If you want some really strong blades, get some of the plastic Align blades for a TRex. The ones that no self-respecting TRex pilot will put on his heli. You might even get them free from your TRex-flying buddies. Cut the tips down to so they're the same length as the stock EFlite woodies. Be sure to rebalance. Put a couple washers on the blade roots to shim them to fit the wider EFlite grips. That will give symmetrical plastic blades that are won't break, and are much heavier, giving the blades a lot more momentum. Mine track beautifully, and haven't even dented after chopping booms, gouging tree trunks, etc. And the extra weight means they take longer to spin down without a one-way bearing than my MX400 does with a one-way.

On all my woodies, I wrap the tips in packing tape. Toughens them up considerably against the inevitable scrapes. But these plastic Align blades are so much stronger, there's almost no comparison. Just remember: because they won't break, something else will.
Brent
Slow and Smooth 2-D Scale Flyer
AMA #35431
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