Best Prop for engine pipe combo
09-01-2007, 05:32 PM
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Best Prop for engine pipe combo
Don,
I just purchased an Oxai Pinnacle sporting a YS 160 DZ with an NMP Header and Hatori 693 Pipe. It currently has a 2 blade 16.5 x 12W APC and was wondering if that combo is perfect, or should I order a 4 blade. (The plane only has 12 flights and I am told everything is new to the plane. )If so what size, namebrand and place of purchase would you suggest? I will be flying Intermediate if that bears any supporting relavence.
Thanks in advance,
J. Tucker
I just purchased an Oxai Pinnacle sporting a YS 160 DZ with an NMP Header and Hatori 693 Pipe. It currently has a 2 blade 16.5 x 12W APC and was wondering if that combo is perfect, or should I order a 4 blade. (The plane only has 12 flights and I am told everything is new to the plane. )If so what size, namebrand and place of purchase would you suggest? I will be flying Intermediate if that bears any supporting relavence.
Thanks in advance,
J. Tucker
09-01-2007, 10:44 PM
#2
RE: Best Prop for engine pipe combo
4 Blade will give you slower speed. I'd suggest trying out what you have and if you like it you can always continue or experiment with different prop combinations at a later time.
Coming to the FARM Warrenton, VA pattern contest in 3 weeks? I'd be happy to let you try a 4 blade on your plane to see what you think.
Don
Coming to the FARM Warrenton, VA pattern contest in 3 weeks? I'd be happy to let you try a 4 blade on your plane to see what you think.
Don
09-03-2007, 09:35 AM
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RE: Best Prop for engine pipe combo
Don,
Oh how I wish I could attend. I'm still in Iraq. I won't be home until Oct 20th or so. I don't know if you remember me, I came to several contest with Carl Zal..... in 06 and one in 07. I talked with you about your Comp Arf Extra because I wanted to do a tribute scheme SX. I just ordered a 3.3m Yak with the old Giles 202 Flag Scheme so I can complete that tribute scheme. I look fwd to seeing you again and I will probaly just order a 4 blade so as I'm practicing over the winter I can experiment.
Do you have a recommeded diameter and pitch or place to purchase.
Thanks again Don,
James Tucker
Oh how I wish I could attend. I'm still in Iraq. I won't be home until Oct 20th or so. I don't know if you remember me, I came to several contest with Carl Zal..... in 06 and one in 07. I talked with you about your Comp Arf Extra because I wanted to do a tribute scheme SX. I just ordered a 3.3m Yak with the old Giles 202 Flag Scheme so I can complete that tribute scheme. I look fwd to seeing you again and I will probaly just order a 4 blade so as I'm practicing over the winter I can experiment.
Do you have a recommeded diameter and pitch or place to purchase.
Thanks again Don,
James Tucker
09-14-2007, 09:18 PM
#6
RE: Best Prop for engine pipe combo
The 4 blade prop high pitch keeps the noise down. We get very paranoid when it comes to the noise checks before each flight at the finals/ team selections. 4 blade- I found has the best "thrust to db ratio coupled with speed range" for glow planes (at least from testing on the Brio).
Don
Don
