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cooling system expansion tanks

PostPosted: Sun Feb 17, 2008 5:01 pm
by Dave Krall CFII SEL SES
There's a small expansion tank sold for Rotax engines that fits right under the filler cap. Anybody using one? What is total coolant capacity for Rotax engines?

PostPosted: Sun Feb 17, 2008 5:57 pm
by DaveU
The expansion tank comes already mounted on the 912uls.  I think the total coolant quantity in my setup is about 3 quarts.  I have some left over after starting with a gallon.  I used the waterless NPG+ coolant, has a 375 degree boiling point.