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Content tagged 'coolant overflow'

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  1. So I'm going to replace my coolant overflow bottle tomorrow, it's on a Soob EA81. What's on it now is some kind of water sippy bottle, like they give you in the hospital. See pic. The bottle I'm going to use has several access points for the tube. Bottom, side, top. My thinking is run tube from system in the bottom, that way suction point will always be submerged vs running in from top with pickup tube ran to bottom of bottle. Then top point run vent tube out through bottom of cowl. The current sippy bottle on it now is not vented, by design? Am I missing something? I've seen it done both ways, vented and not vented. The bottle I plan on using is a generic automotive bottle and has option of being vented or not. I seen a pic online somewhere of the same bottle I'll be using installed on a plane with a soob engine but didn't pay attention to how it was plumbed and of course now I cant find it. I got a feeling I'm WAY over thinking this. But better to ask stupid questions than risk seizing up a motor. Thanks guys, I come here everyday and learn something every time.

  2. Hi all. I have a MkIV with the soob EA81. I had the flow valve shut too far and temp got up around 200, not bad I know but it did cause it to spit coolant out then suck bottle dry when I opened valve more. The coolant overflow/expansion bottle is a 16oz plastic what looks like a hospital issued water bottle. (Can't get pic to upload) I've seen others use plastic bottles also. It just seems, well, cheap. I've found aluminum coolant bottles on line designed for just that purpose. The system looks like a closed non-vented type. There's no vent line to atmosphere I can see. Have any of you tried the purpose built aluminum ones? Any recommendations? Thanks everyone!