Prop for 3W-170 classic in a CArf Gee Bee

Rickster · 12:20 PM

Wondering what would be a good wheel for a 3W-170 in a Gee Bee.The motor is well broken in . Looking for speed not 3D ability so most of the props everyone recommends are not "Perfect" selections.. I have a Bolly 32X14 to try but am curious what others think.. I will be running either cowl mufflers or will build my own to exit scale cowl ring location... Would like to run cans but the sound of them really goes against the grain in a plane like this to me...

Rick

Stu_D · , 04:32 PM

32 x 12 Mejzlick , throw the bolly in the bin .

Stu

Ernie · , 03:32 PM

Quote:

Originally Posted by Stu_D

32 x 12 Mejzlick , throw the bolly in the bin .

Stu

Testing on a 3w-80 cs ts was with a 18x16 19x17 19x18
If you have the need for speed you need pitch not size
31x14-15-16
30x15-16-17
29x16-17-18
Cheers
EE

Rickster · , 10:37 PM

I figured the 14 pitch of the bolly would pull it well but I might have to trim up the diameter down to 30.5" or so..

Rick

Bunky F. Knuckle · , 01:48 AM

Low diameter, high pitch!!!!!

Bushman · , 02:45 AM

Hi

I am running a 3W 157 with supersonic muffler and the Biella 30 x 14 from AI and this is a killer combo on the c-arf geebee

Regards
Alex

11-15-2009, 12:15 PM #1
Rickster
Rickster Registered User United States, TX, Beaumont Joined Apr 2006 840 Posts	Prop for 3W-170 classic in a CArf Gee Bee Wondering what would be a good wheel for a 3W-170 in a Gee Bee.The motor is well broken in . Looking for speed not 3D ability so most of the props everyone recommends are not "Perfect" selections.. I have a Bolly 32X14 to try but am curious what others think.. I will be running either cowl mufflers or will build my own to exit scale cowl ring location... Would like to run cans but the sound of them really goes against the grain in a plane like this to me... Rick
	Last edited by Rickster; 11-15-2009 at 12:20 PM.

11-18-2009, 04:32 PM #2
Stu_D
Stu_D Registered User Australia, VIC, Melbourne Joined Jan 2006 1,727 Posts	Re: Prop for 3W-170 classic in a CArf Gee Bee 32 x 12 Mejzlick , throw the bolly in the bin . Stu

11-19-2009, 10:37 PM #4
Rickster
Rickster Registered User United States, TX, Beaumont Joined Apr 2006 840 Posts	Re: Prop for 3W-170 classic in a CArf Gee Bee I figured the 14 pitch of the bolly would pull it well but I might have to trim up the diameter down to 30.5" or so.. Rick

11-20-2009, 01:48 AM #5
Bunky F. Knuckle
Bunky F. Knuckle Just your Average Joe. Joined Jan 2006 9,237 Posts	Re: Prop for 3W-170 classic in a CArf Gee Bee Low diameter, high pitch!!!!!

11-20-2009, 02:45 AM #6
Bushman
Bushman Registered User South Africa / United Arab Emirates Joined Mar 2006 133 Posts	Re: Prop for 3W-170 classic in a CArf Gee Bee Hi I am running a 3W 157 with supersonic muffler and the Biella 30 x 14 from AI and this is a killer combo on the c-arf geebee Regards Alex

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