Earl's oil cooler

by Daniel Pelletier in General Tech Discussion 6 years ago

I have an old version of the 912ULS s/n 4428716 that I'm installing on my 601 Hds zenair. I saw in the forum that someone change its Rotax oil cooler, I have this brand new oil cooler https://www.jegs.com/i/Earls/361/41600/10002/-1. Is it a good idea to install this product instead an old bersion of the Rotax oil cooler?

Daniel

Re: Earl's oil cooler

by Eugene Klimenko » 6 years ago

Eugene Klimenko

12 74 1

Cooling requirements for this engine: Water = 28 KW (95500 but/hr)

Oil = 8 KW (27300 btu/hr)

Air = 6 KW (20500 btu/hr)

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Re: Earl's oil cooler

by JAMES SHEPHERD » 6 years ago

JAMES SHEPHERD

0 1 0

You did not say where you are from but this oil cooler is the same brand and larger than the one on my Rans Coyote with the same engine. My cooler is more than enough for the Vancouver BC area where i live. I have to cover part of it in winter to get the oil temperature up.

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Re: Earl's oil cooler

by Daniel Pelletier » 6 years ago

Daniel Pelletier

3 10 25

Ok, and....

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Re: Earl's oil cooler

by Eugene Klimenko » 6 years ago

Eugene Klimenko

12 74 1

You need to know btu transfer of your oil cooler at 180°F

Just looking at dimensions, should be plenty big enough

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Re: Earl's oil cooler

by Roger Lee » 6 years ago

Roger Lee

128 5.28k 4.98k

I have a Rans in my shop right now with one of those coolers. It should work. The biggest key to making any cooler work is good access to forced cool air from the outside.If a cooler doesn't get good air flow then none would work as designed.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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Earl's oil cooler

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