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Mar 27, 2012, 05:36 PM
Registered User
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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Mar 27, 2012, 06:01 PM
Gas Only
Fokker DII's Avatar
Don't know your sizes but; an 18X10 checks out thusly with a micrometer at the hub.


Nylon APC .550"
Wood Xoar .800"
Mar 27, 2012, 06:40 PM
Registered User
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.
Mar 27, 2012, 07:07 PM
Registered User

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?
Mar 27, 2012, 09:53 PM
Who Dat!
GeetarJoe's Avatar
use a spinner nut or a lower pitch prop.
Mar 28, 2012, 09:11 AM
ARFs Are Me
TomCrump's Avatar
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.
Mar 29, 2012, 04:37 PM
TigreJohn
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.
Mar 29, 2012, 08:57 PM
Gas Only
Fokker DII's Avatar
Quote:
Originally Posted by jjkupinski
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..........
Mar 31, 2012, 01:27 PM
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.
Mar 31, 2012, 03:53 PM
Gas Only
Fokker DII's Avatar
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.....
Mar 31, 2012, 05:37 PM
Registered User
Quote:
Originally Posted by Fokker DII
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
Apr 01, 2012, 10:24 AM
TigreJohn
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.
Apr 01, 2012, 01:52 PM
Registered User

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
Apr 06, 2012, 09:31 AM
TigreJohn
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.
Apr 06, 2012, 02:28 PM
Registered User
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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