YS on the test stand vs in the plane? (Full Version)

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Ground Zero-RCU -> YS on the test stand vs in the plane? (7/27/2003 10:52:53 AM) I am currently trying to set up a couple of YS engines.Since these are my first YSs, I am having a hell of a time getting them to idle on the planes. To make tuning easier I have removed them and will try adjusting them on the stand and then put them back in the planes. I was wondering if adjusted properly on the stand, will the settings be very close to what they need to be on the plane? I figured that since the tank position on the YSs is irrelevant, they should run pretty close. Thanks, Mike

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PatternFlyer -> YS on the test stand vs in the plane? (7/27/2003 11:22:52 AM) From my past experience with YS engines, Yes, they are pretty close given that you are using 20% or above nitro. Lower nitro fuel did not work well in plane compared to on stand. I set up slightly rich on stand. Most of my engines stayed within 1/4 ~ 1/2 turn differences. All my YS engines were installed inverted, in-cowl. Hope this helps,

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Richard L. -> YS on the test stand vs in the plane? (7/27/2003 11:45:03 AM) All my YS engines are installed inverted, in-cowl also, and all of them idle just fine. My 110 idles great at the factory suggested settings with only half a gallon through it. I always re-tune my engines in the planes anyway. Since the engines are mounted right side up during break in on the stand, the settings are usually different if I mount the engines upside down in the planes.

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