Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Mar 27, 2012, 06:36 PM
mudcan is offline
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Question

wooden props


are wooden props thicker or thinner than nylon props? i am only 850 miles from nearest hobby shop, so really can not walk in and measure them.
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Old Mar 27, 2012, 07:01 PM
Fokker DII is offline
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Don't know your sizes but; an 18X10 checks out thusly with a micrometer at the hub.


Nylon APC .550"
Wood Xoar .800"
Old Mar 27, 2012, 07:40 PM
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There may not be an absolute answer to this question.

I have some old TopFlite 10x3's that's that are thinner than an APC 10x3.
Old Mar 27, 2012, 08:07 PM
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prop


i have a vintage k&b .19 and it leaves an 1/8 inch when mounting a nylon prop for the nut. i will have to find an other method as i want to use a spinner. ideas?
Old Mar 27, 2012, 10:53 PM
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use a spinner nut or a lower pitch prop.
Old Mar 28, 2012, 10:11 AM
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Brands differ. Pitch plays a part in thickness, within the same brand.

About all you can do is ask some one, here, to measure what you want to purchase.

You'll need to be specific about brand, diameter, and pitch. Then, you'll have to hope that one of us has what you desire.

Try Top Flight and Master Airscrew. Sometimes their props are "thinner" than the rest.
Old Mar 29, 2012, 05:37 PM
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I guess the best upfront question is why the heck are you concerned about prop thinness. We might be able to answer your question better.
Old Mar 29, 2012, 09:57 PM
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Quote:
Originally Posted by jjkupinski View Post
I guess the best upfront question is why the heck are you concerned about prop thinness. We might be able to answer your question better.
Post #4 is a clue to why..........
Old Mar 31, 2012, 02:27 PM
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TigreJohn
So your concerned about hub thickness, not blade thickness. Like the suggestion in #5, use a spinner adapter nut instead of the stock nut and you'll be ok.
Old Mar 31, 2012, 04:53 PM
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The problem with most spinner nuts is getting them tight enough so you don't throw a prop. Sticking an allen wrench through a hole in the nut and turning is a very iffy way to tighten them sufficiently if that is all that is holding the prop. Be safe.....
Old Mar 31, 2012, 06:37 PM
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Originally Posted by Fokker DII View Post
The problem with most spinner nuts is getting them tight enough so you don't throw a prop. Sticking an allen wrench through a hole in the nut and turning is a very iffy way to tighten them sufficiently if that is all that is holding the prop. Be safe.....
Never had a problem andIi have used them with quite a few engines of many sizes, both 2 and 4 stroke. I agree though that if you an Allen Wrench you may well not be getting the spinner nut tight enough. Use a hardened tool that is a fairly snug fit in the hole and has enough length to give you a bit of leverage.

jess
Old Apr 01, 2012, 11:24 AM
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Gentlemen, if you will notice, I said spinner adapter nut. I have yet to see one that isn't a hex can you can use a wrench on.
Old Apr 01, 2012, 02:52 PM
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prop


as you can see, there is very little thread left to attach the prop. i would like to use a spinner, but need suggestions. i only live 850 miles from nearest hobby shop, so i will want to have some clue when speaking on the phone.. here are a couple of pics. thanks everyone for the info
Old Apr 06, 2012, 10:31 AM
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Well, lets try this: what engine do you have (make & size) and what propeller (same info) do you have or want to use? It looks like a Master Airscrew in your pictures.
Old Apr 06, 2012, 03:28 PM
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i am running a vintage k&b .19 rc model engine using a m.a. 9x5. it leaves about 1/8 inch of thread for nut. no room for regular spinner.


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