Best Prop for engine pipe combo  
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All Forums >> TEAM RCU >> Team RCU - Don Szczur >> Best Prop for engine pipe combo
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Best Prop for engine pipe combo - 9/1/2007 11:32:08 PM   
yearn23d


 

Posts: 4
Joined: 4/8/2005
From: jacksonville, North Carolina, NC, USA
Status: offline 		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


< Message edited by yearn23d -- 9/2/2007 12:47:28 AM >
       Post #: 1

RE: Best Prop for engine pipe combo - 9/2/2007 4:44:30 AM   
Don Szczur



Posts: 981
Joined: 1/6/2002
From: Chantilly, VA, USA
Status: offline 		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

(in reply to yearn23d)
       Post #: 2

RE: Best Prop for engine pipe combo - 9/3/2007 3:35:47 PM   
yearn23d


 

Posts: 4
Joined: 4/8/2005
From: jacksonville, North Carolina, NC, USA
Status: offline 		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

(in reply to Don Szczur)
       Post #: 3

RE: Best Prop for engine pipe combo - 9/7/2007 8:29:27 AM   
Don Szczur



Posts: 981
Joined: 1/6/2002
From: Chantilly, VA, USA
Status: offline 		Best Place I've found in Central Hobbies. www.centralhobbies.com

15.5x12 has worked well for me.

Don

(in reply to yearn23d)
       Post #: 4

RE: Best Prop for engine pipe combo - 9/7/2007 6:40:10 PM   
ddd


 

Posts: 249
Joined: 9/28/2002
From: CT
Status: offline 		Don, Why do you recommend high pitch propellers for pattern?

(in reply to Don Szczur)
       Post #: 5

RE: Best Prop for engine pipe combo - 9/15/2007 3:18:13 AM   
Don Szczur



Posts: 981
Joined: 1/6/2002
From: Chantilly, VA, USA
Status: offline 		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

(in reply to ddd)
       Post #: 6

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