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10-30-2005, 12:36 PM
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#1 (permalink) |
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Join Date: Sep 2005
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Need help with Tune pipe setting for OS70SZ-H
I bought a new OS70SZ-H engine for my SkyFox SX.
Does anybody know what is a good starting point to setup the gap for the tune pipe ? Has anybody used this engine with Vario helis ? Thks |
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11-03-2005, 08:36 AM
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#2 (permalink) |
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Registered Users
Join Date: Mar 2005
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12mm is your gap. Don't run more then 5-10%
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Christopher J SMI R & D Pilot RCXcel "Size it up, then scale it down" |
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11-08-2005, 05:37 AM
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#3 (permalink) |
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Join Date: May 2004
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Chris, that OS might need more nitro to reliably idle.
Jack |
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11-08-2005, 08:53 AM
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#4 (permalink) |
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Join Date: May 2004
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I have been informed that if this is a European engine it does not need the higher nitro, so I am shutting my fingers.
Thanks, sorry for any confusion Jack |
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11-08-2005, 08:58 AM
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#5 (permalink) |
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Registered Users
Join Date: Apr 2004
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If I were you I'd run the K&B 4520 glow plug with that set up. It's a hotter plug and works great. I use them in my OS WC.61 with MP I and the OS .70 on 20% nitro. Since you will be using lower nitro I would recomend it to help keep it light and make Idle a bit more reliable.
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Trex 700N YS 913DS Magnum Fuels JR 11X |
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