when planning mine, sent a copy of the drawing to Oceans Motions for comment. Got a reply back (and was followed up by a phone call), that found helpful

Really? I'm DEFINITELY going to do that. Thanks!

Yup...Paul at OM is very helpful.

10.5 x 3 x 2 gives me 470 gallons. How did you arrive at 750 out of curiosity?

Through the magic of bad typing skills! :mrgreen:

Tibet's TOTAL volume should be around 750g...my bad.