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Old 10-25-2013, 02:44 PM   #1
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3 bladed props

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Two questions,

If I am using a 19x8 two blade prop what would I need for a three blade. Is it down 1 inch to 18 and does the pitch go up to 10 or down to 6?

And where is the best to purchase one? Preferably in Canada.

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Old 10-25-2013, 03:28 PM   #2
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Re: 3 bladed props

if you decrease diameter by one inch you increase pitch by one inch. However, the way scale/RC props are sold you might not find a prop that changes pitch, so the same pitch is more or less fine.


Troybuiltmodels or Graupnerusa are your best bet. I don't know of any Canuk sources.

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Old 10-25-2013, 07:41 PM   #3
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Re: 3 bladed props

XOAR makes 3 Blade props and Jeff at Thunderbolt R/C can order it if they mak it.
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Old 10-27-2013, 04:38 PM   #4
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Re: 3 bladed props

Thank you, I will give Jeff a call.
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Old 10-28-2013, 09:50 AM   #5
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Re: 3 bladed props

An 18x8 or 16x10 3Blade will probably do the trick. You're gonna have to experiment since it's not an easy corellation especially on the smaller props, but I'd be leaning towards a 16x10
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