3 bladed prop for an OS 91 with 30% fuel ? (Full Version)

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tukkus -> 3 bladed prop for an OS 91 with 30% fuel ? (4/30/2008 9:38:42 PM)

Hello, I just bought a H9 Corsiar and I put a OS 91 that I had lying around on it. I'm thinking of going with a 3 blade prop for the clearance and looks. The fuel I'll be using is Wildcat 30% helimix and I'm not sure what prop I should go with.

any ideas?



jeffk464 -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/1/2008 12:45:02 AM)

Why so much nitro?



tukkus -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/1/2008 1:12:39 AM)

because I also fly helis and will be using this plane only once in a great while...all i buy is 30%



jeffk464 -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/1/2008 1:29:16 AM)

gotcha



jeffk464 -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/1/2008 8:00:31 AM)

I have the same engine and run a 2 blade 14x6 prop and it seems to be the perfect fit at 10% nitro. I would think you should have enough clearance for a 14 inch prop.



scratchonly -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/2/2008 9:01:02 PM)

A MAS 13x7 runs fine on my enya 90 4S.



jeffk464 -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/3/2008 1:03:13 AM)

You really only need an inch or so of clearance between the tip of the prop and the ground with the plane completely level. I have a top flite mustang with my 91 and I have heeps more clearance then I need.



Sport_Pilot -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/3/2008 6:49:57 PM)

I vote for the 3 blade. That plane just wouldn't look right with a two blade prop. I would think a 13-6 three blade would be good to start with.



chevy43 -> RE: 3 bladed prop for an OS 91 with 30% fuel ? (5/5/2008 12:50:40 AM)

I'd just buy a gallon of the right fuel if I were you....



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