YS 61 on the pipe...prop?  
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All Forums >> RC Airplanes >> Pattern Flying >> Classic Pattern Flying >> YS 61 on the pipe...prop?
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YS 61 on the pipe...prop? - 10/19/2006 2:06:44 PM   
e_eves


 

Posts: 15
Joined: 11/23/2003
From: Cincinnati, OH, USA
Status: offline 		Hello,

I'm in the process of building an old school Aurora pattern plane, actually the PA2, and will be putting the YS 61 rear exhaust engine on the plane.

I'll be running %15 wildcat fuel and an OS #8 plug. What is the recommended prop for this setup?

Thanks!
       Post #: 1

RE: YS 61 on the pipe...prop? - 10/21/2006 1:34:13 AM   
MTK


 

Posts: 517
Joined: 5/14/2004
From: Whippany, NJ, USA
Status: offline 		As I recall, we used to run the pipe at around 15 1/2" to the high point from glow plug, straight line, and run a 12x12 to 13x10 APC. Strong and quiet set-up. We used to run KB1L plugs and these would last half a season. Don't remember if anyone had success with #8s

MattK

quote:

ORIGINAL: e_eves

Hello,

I'm in the process of building an old school Aurora pattern plane, actually the PA2, and will be putting the YS 61 rear exhaust engine on the plane.

I'll be running %15 wildcat fuel and an OS #8 plug. What is the recommended prop for this setup?

Thanks!



(in reply to e_eves)
       Post #: 2

RE: YS 61 on the pipe...prop? - 10/21/2006 2:17:26 AM   
airbusdrvr


 

Posts: 864
Joined: 11/3/2005
From: New Port Richey, FL, USA
Status: offline 		I have a new YS 61 rear exhaust with tuned pipe(header not yet adjusted for best RPM) that has been broken-in. I have a Master Airscrew G/F Series(Black color) 11X8 prop and it turns 12,800 rpm. I had a couple of old timers tell me this was the better diameter/pitch choice. You will be impressed with this engine. My setup has so much power I doubt I will anytime soon go through the header shortening procedure to get max rpm. It will far outfly my skill level for quite sometime.

(in reply to MTK)
       Post #: 3

RE: YS 61 on the pipe...prop? - 10/21/2006 7:35:40 PM   
flywilly


 

Posts: 861
Joined: 2/3/2002
From: glen allen, VA,
Status: offline 		K&B 1L plugs are great! I've used them in rear exhaust .60s since my first OS .61VF in 1980 (and I keep at least 1 .60 sized pattern ship active all the time). Oh yeah, running anywhere from 10% to 25% nitro.
Will B.

(in reply to airbusdrvr)
       Post #: 4

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All Forums >> RC Airplanes >> Pattern Flying >> Classic Pattern Flying >> YS 61 on the pipe...prop?
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