Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

YS 60 short stroke

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Old 08-23-2009, 09:55 PM
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freakingfast
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Default YS 60 short stroke

Just bought a YS 60 short stroke with new sleeve, piston and bearings here on RCU for $99.00.
Are these things any good, are they of the same potential as it's 45 sized little brother?
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Old 08-23-2009, 10:22 PM
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lfinney
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Default RE: YS 60 short stroke

absolutely, let it wind up, and they do hold up, i have never lost a rod or piston to high revs with the YS's
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Old 08-23-2009, 10:37 PM
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Default RE: YS 60 short stroke

I don't have any experience with YS, so I should probably not say anything...........

.......oh ya, I know something, if the exhaust pipe is in the back, that's a good sign
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Old 08-23-2009, 10:57 PM
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lfinney
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Default RE: YS 60 short stroke

11x10 on king cobra with pipe, hauls the freight
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Old 08-23-2009, 11:37 PM
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Default RE: YS 60 short stroke

ORIGINAL: lfinney

11x10 on king cobra with pipe, hauls the freight
Is that the short stroke? Wow thats a lot of prop.

CP, Mine is a side exhaust.
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Old 08-24-2009, 12:24 AM
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Default RE: YS 60 short stroke

yup they got lotsa torque too, macs' standard 10 cc pipe...we used to clear the field at mather with it, all the pantywaists would head for the pits when we put it down low on the deck at full tilt[8D][8D]
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Old 08-24-2009, 12:52 AM
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Default RE: YS 60 short stroke

I got the 61 LS, the prop shaft is a little short. I was told you can get some extension for it. Anyone knows where?
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Old 08-24-2009, 05:10 AM
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Default RE: YS 60 short stroke

i have a couple of them, never ran them though. being a classic pattern buff i bought them strictly on reputation. they are said to have been the best 60 short stroke ever made.
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Old 08-24-2009, 07:37 AM
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Default RE: YS 60 short stroke


ORIGINAL: tIANci

I got the 61 LS, the prop shaft is a little short. I was told you can get some extension for it. Anyone knows where?
Give them a call, I'm sure they have a "short shaft adapter" for you.

http://www.truturn.com/index.html
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Old 08-24-2009, 09:13 AM
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Default RE: YS 60 short stroke

FF ... thanks a lot!
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Old 08-24-2009, 10:16 AM
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Default RE: YS 60 short stroke


ORIGINAL: tIANci

I got the 61 LS, the prop shaft is a little short. I was told you can get some extension for it. Anyone knows where?
YOu probably have the Heli engine. There is no extension for the shaft that I know of, but there is a short shaft prop adapter. You have to over bore the prop and the sleeve on the prop nut actually inserts into the prop. Works fine.

I have two of the YS 60's. Good running engines.

Blessings, Terry
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Old 08-24-2009, 12:41 PM
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Default RE: YS 60 short stroke


ORIGINAL: freakingfast

Just bought a YS 60 short stroke with new sleeve, piston and bearings here on RCU for $99.00.
Are these things any good, are they of the same potential as it's 45 sized little brother?
Thats a heck of a deal on that. Nice find......

Outstanding engine. Set the pipe around 13.2" and toss an APC or Vess 11x8 on the shaft. Pipe at 13.5 and an 11x9 works well too.

And if you want real old school, 13" with an 11x7 !
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Old 08-24-2009, 01:45 PM
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Default RE: YS 60 short stroke

Terry ... got what you mean, a pal is working on that solution now. Seems practical. What prop were you running and on what plane? If I may ... what header and muffler?
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Old 08-24-2009, 05:06 PM
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Default RE: YS 60 short stroke

One of my YS 60's I bought new in 1987. It has been in a few planes. The first was a Super Hots. Right now I have one in a VQ Macci and one in a VQ FW-190. Both have a Macs header and pipe. I usually run an APC 11-8. If you put it on a slippery airframe a 10x10 wouldn't be a bad choice. Back when I started, the pattern guys ran like a 11x11 or something like that. That's why YS came out with the 61 long stroke. I've tried the 11x9 but I think my pipe is too short. The biggest problem with the YS 60 is that they don't carry parts for them any more unless it is a part that fits the 45 as well. It probably won't be long before they stop carrying parts for the 45 too. I actually have a third YS 60 but I broke the needle socket and can't get a replacement.

Blessings, Terry
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Old 08-24-2009, 07:43 PM
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Default RE: YS 60 short stroke

Thanks All
And thanks for the pipe and prop ranges Bob and Terry

Karl
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Old 08-24-2009, 08:19 PM
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ORIGINAL: lfinney

11x10 on king cobra with pipe, hauls the freight
I flew this EXACT setup for years. It was perfect!

Kurt
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Old 08-26-2009, 12:57 AM
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Default RE: YS 60 short stroke

still4given ... thanks!
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