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jjt1335
Joined: 25 Apr 2012
Posts: 2
Location: usa
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 Posted: Mon Apr 30, 2012 9:46 pm Post subject: CHT Sensors |
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How many CHT sensors in an i914 ROTAX engine? According to ROTAX manuals there's a total of 3. So, what happens if you only monitor 2? Can the 3rd sensor be capped or just left disconnected?
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jjt1335
Joined: 25 Apr 2012
Posts: 2
Location: usa
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| Posted: Mon Apr 30, 2012 10:18 pm Post subject: Re: CHT Sensors |
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1 CHT sensor is on cylinder head 3, 1 is on cylinder head 2, and 1 for oil temperature
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craig(at)craigandjean.com
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| Posted: Mon Apr 30, 2012 10:26 pm Post subject: CHT Sensors |
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If it is like the 912 then one cylinder is consistently hotter than the
other (pusher vs. tractor). But I can't recall the specifics. I think the
Rotax docs even mention this.
-- Craig
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Tue May 01, 2012 4:59 am Post subject: Re: CHT Sensors |
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The CHT's are just blind holes into the metal edge of the #1  cyl. They measure the metal temp, not water temp. If no sensor is in there then it isn't an issue. The third sensor the manual mentions is the oil temp sensor. It mentions it because all three of these sensors are identical. I personally would use both CHT's and at least hook up #3 & #4 EGT's. If you want all 4 EGT's that's up to you.
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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rampil
Joined: 04 May 2007
Posts: 870
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| Posted: Sun May 06, 2012 11:05 am Post subject: Re: CHT Sensors |
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Ha,
It's a trick question!
There is no i914, at least not for a few years!
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Ira N224XS |
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