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How can this be balanced?

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How can this be balanced?

Old 02-20-2009, 07:39 AM
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Default How can this be balanced?

I have the Top Flite balancer and have used it a lot on my aircraft with great results. I have read the prop sharpening posts but I just can't see how I can balance this prop. It does not have a hole all the way through it so my balancer will not work. This is a 70 mm prop that came with my 46" Sea Queen cruiser kit. I don't want to drill past the threaded existing hole, and out the end, because I will most likely damage the threads. Maybe I am missing something OR...... I am SOL![:-]
lownslo ..... Bob in Indy
PS. The prop shaft and stuffing tube is pretty long at 16 or 17". I really don't want to change it. (Tube is glued in anyway).
Is there somewhere I can send this to be balanced and sharpened?
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Old 02-20-2009, 08:10 AM
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Default RE: How can this be balanced?

If the Top Flite balancer is the one that suspends the rod between two magnets, then you won't be able to balance it with that. What you will need is the balancer made by Du-Bro, thread the prop onto the prop shaft, then set up the Du-Bro balancer like you were balancing a very large prop. The instructions will explain how. The Du-Bro balancer is what I use for the large 27" airplane props, it works great.
Hope this helps.
Old 02-20-2009, 01:06 PM
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Default RE: How can this be balanced?


ORIGINAL: lownslo

I have the Top Flite balancer and have used it a lot on my aircraft with great results. I have read the prop sharpening posts but I just can't see how I can balance this prop. It does not have a hole all the way through it so my balancer will not work. This is a 70 mm prop that came with my 46" Sea Queen cruiser kit. I don't want to drill past the threaded existing hole, and out the end, because I will most likely damage the threads. Maybe I am missing something OR...... I am SOL![:-]
lownslo ..... Bob in Indy
PS. The prop shaft and stuffing tube is pretty long at 16 or 17". I really don't want to change it. (Tube is glued in anyway).
Is there somewhere I can send this to be balanced and sharpened?
To balance this prop all you need is a threaded long shaft screw the prop on and suspend the whole thing on the wheel roller or razor blade style of balancer with the prop hanging over one side.
Piece of cake.

Thanks Daniel
Old 02-20-2009, 04:43 PM
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Default RE: How can this be balanced?

I just knew someone would come up with an answer. (I know the Dubro balancer would work, but it is $25.00+). I can make a razor blade balancer with scrap.
THANKS!
lownslo..... Bob in Indy
Old 02-22-2009, 01:24 PM
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Default RE: How can this be balanced?

Use a Dremel to grind of the "bullet" on the hub !

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