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Ty Schlorer
Joined: 06 Nov 2004
Posts: 349
Location: United States, Washington, Burien
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 Posted: Mon Jan 21, 2013 6:52 pm Post subject: |
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The heat range has little to no effect on the operating temp of the engine.
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#21 Rotax Max
SPS Racing |
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ryan orchard
Joined: 04 Jan 2013
Posts: 48
Location: Canada, not usa, Victoria B.C.
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| Posted: Mon Jan 21, 2013 7:32 pm Post subject: |
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| Ty Schlorer wrote: | | The heat range has little to no effect on the operating temp of the engine. |
Would you go to a leaner jet? Or should I change the gas mixture( it's at 50:1 right now) |
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Joe Ricard
Joined: 23 Jun 2009
Posts: 864
Location: United States, Mississippi,
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| Posted: Mon Jan 21, 2013 7:38 pm Post subject: |
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Do not try and control engine temp by leaning out the jet. Choose the jet that makes the best power and gets the right color on the inside of the pipe. Then leave it alone.
Tape the radiator, and calibrate your temp sensor.
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Arrow AX-8/ Rotax Sr. |
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Ty Schlorer
Joined: 06 Nov 2004
Posts: 349
Location: United States, Washington, Burien
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| Posted: Tue Jan 22, 2013 12:42 am Post subject: |
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| ryan orchard wrote: | | Ty Schlorer wrote: | | The heat range has little to no effect on the operating temp of the engine. |
Would you go to a leaner jet? Or should I change the gas mixture( it's at 50:1 right now) |
I road race with my rotax so my gas/oil mix is going to be different. We run 33:1. We use MaxJet to get into the ballpark and tune from there.
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al nunley
Joined: 13 Nov 2006
Posts: 3027
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| Posted: Tue Jan 22, 2013 5:13 am Post subject: |
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I will never understand why people don’t believe that; upto the point of detonation, (in which case the EGT goes down) the hotter the exhaust temp, the more power you make. What is so hard to believe about that?? If you had an EGT gauge, you would see it.
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If the data does not support the theory, get a new theory. (Al Nunley)
All else being equal; Compression is the Holy Grail.
45 years, in and around karting |
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John Savage
Joined: 30 Jan 2002
Posts: 1252
Location: United Kingdom (Great Britain), not USA state,
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ryan orchard
Joined: 04 Jan 2013
Posts: 48
Location: Canada, not usa, Victoria B.C.
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| Posted: Wed Jan 23, 2013 10:39 pm Post subject: |
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Thanks John |
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Nick Weil
Joined: 18 Jul 2001
Posts: 1795
Location: United States, Florida, Orlando, FL US of A
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| Posted: Mon Jan 28, 2013 2:46 pm Post subject: |
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| al nunley wrote: | | I will never understand why people don’t believe that; upto the point of detonation, (in which case the EGT goes down) the hotter the exhaust temp, the more power you make. What is so hard to believe about that?? If you had an EGT gauge, you would see it. |
Al,
We all know that smoke and mirrors make much more horsepower than physics and science. When will you just accept this and try to benefit from it financially!
  
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Nick Weil
Authorized Rotax Service Center and Dealer since 2002
2004 Team USA Rotax Worlds Finals DD-2 Driver
Want to save money AND grow the economy? www.fairtax.org |
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