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Other › Main Rotor Balance
02-12-2006 12:06 AM  12 years agoPost 1
robnik1

rrNovice

Auburndale,Florida

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Looking for some advice on rotor blade balancing. Is there any way to balance w/o a balancer. I have a serious vibration during spool up and notice one blade is tracking higher than the other. Also any other suggestions on vibration problems, I have checked flybar center.
Thanks

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02-12-2006 12:19 AM  12 years agoPost 2
Cabbageman

rrNovice

LOL!

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LOL I hate dealing with that! Put a piece of tape on one blade and spool up and see if it improves. If it doesnt, try the other blade. Then prefect the balacing.

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02-12-2006 12:28 AM  12 years agoPost 3
Jay Mowl

rrApprentice

Owosso Mi. USA

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You really don't need a balancer, just bolt the blades together and balance them like a teeter totter in a vise or between to books or something and then put a piece of tracking tape on the light one.

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02-12-2006 01:56 AM  12 years agoPost 4
lbowen

rrApprentice

York S. Carolina-USA

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Even after balancing with a good tool - the tape piece is what gets the balance in the moving/dynamic real arena - like spin balance on tires. The two wheel prop balancers are great for balancing the WHOLE head with and without the blades on . The simple and no cost tape on a blade method with work with some trial and error and then you have the bottom line achieved.

lbowen

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02-12-2006 03:34 PM  12 years agoPost 5
drdot

rrElite Veteran

So. California, Orange County.

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fwiw..

High point balancer,,,Don't build a heli without one!
I have a friend who swears that all he needs to do is measure the flybar length, and use a pivot balance for his blades...What he doesn't realize is that I've measured the Align paddles for weight, and have found almost all sets to be off weight by as much as 3 grams...This isn't a lot, but this is a very small heli..
I second the dynamic balance...A while spent in the garage with a roll of tape can do wonders for the smoothness of the heli...See Eric Larsons page for details.

John.

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02-12-2006 04:04 PM  12 years agoPost 6
ppridday

rrKey Veteran

Detroit Lakes MN

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Actually the set of grey pro woodies that I bought were the worst of any blade yet. The stock white woodies I had were spot on.

P.

"There's someone in my head, but it's not me..."

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02-12-2006 05:35 PM  12 years agoPost 7
drdot

rrElite Veteran

So. California, Orange County.

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fwiw..

My luck has been opposite Finless..Carbons not bad, Grey woodies worse...

John.

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02-14-2006 01:36 PM  12 years agoPost 8
darkmask

rrNovice

Chesapeake, VA

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here's how I did it with stuff I already had.

http://www.trextuning.com/bladebalancing.htm

Helicopters shouldn't fly, they are just so ugly they repel the ground.

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