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Author Topic: fuel for PA75  (Read 458 times)

Offline bob whitney

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fuel for PA75
« on: December 17, 2019, 12:33:14 PM »
what is a good fuel mix for the PA75
rad racer

Offline Brett Buck

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Re: fuel for PA75
« Reply #1 on: December 17, 2019, 01:47:55 PM »
what is a good fuel mix for the PA75

  Powermaster RC "Air" (18% 50/50 oil), or Powermaster RC "Air" with David's mix of added synthetic and castor to get it to 22%. I think David usually runs 10% nitro at sea level, and 12.5% at Muncie.

   SIG is not recommend due to the "tater" issue.

    Brett

Offline RandySmith

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Re: fuel for PA75
« Reply #2 on: December 17, 2019, 03:09:25 PM »
what is a good fuel mix for the PA75

whatever  fuel  you buy or make use    20 % oil  with mostly synthetic, I would not use over  1/4 of it being castor . Many make their fuel and  use  Super Techniplate, which is 25% castor, Use  5% in cooler months, and ... IF... is needed.  then go to 7.5%  , 10%, Sig is  oK  but NOT  SIG Champion, as it has  way too much castor in it, and  as Brett  said  will tater up badly,  I have used a lot SIG 4 Stroke fuel, with 2 ounces castor added

Randy

Offline bob whitney

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Re: fuel for PA75
« Reply #3 on: December 17, 2019, 05:36:32 PM »
thanks guys ,RAD
rad racer


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