BTP21 Posted August 7, 2019 Report Share Posted August 7, 2019 Morning and many thanks for previous info. I'm unable to find any capacity info on the tank. Ideas? I cleaned it up a bit; no writing anywhere I can see. Quote Link to comment Share on other sites More sharing options...
Wanaflatsfish Posted August 7, 2019 Report Share Posted August 7, 2019 48 minutes ago, BTP21 said: Morning and many thanks for previous info. I'm unable to find any capacity info on the tank. Ideas? I cleaned it up a bit; no writing anywhere I can see. You can measure it ? if so, LXWXH then divide by volume per cubic gallon... There is a formula somewhere... DC Quote Link to comment Share on other sites More sharing options...
imsnookyrd Posted August 7, 2019 Report Share Posted August 7, 2019 http://www.watertanks.com/calc.asp this is a site that I have used, has a calculator that makes it easy. Quote Link to comment Share on other sites More sharing options...
hurricane Posted August 7, 2019 Report Share Posted August 7, 2019 No help to your question. However, seeing a battery cable laying on a fuel line makes me squirm. I work in avaition, so maybe I'm a bit over cautious about things like that.......... 1 Quote Link to comment Share on other sites More sharing options...
captpn Posted August 7, 2019 Report Share Posted August 7, 2019 what kind of hull is this? if its a 21MA, also look in the console pie hole access where the fuel fill and vent line is... maybe the tank info is there. Mines is just a sticker that is half peeled off under the bench seat. Quote Link to comment Share on other sites More sharing options...
Coto Posted August 7, 2019 Report Share Posted August 7, 2019 You can call maverick and give them your hull number maybe they might be able to tell you. 1 Quote Link to comment Share on other sites More sharing options...
BTP21 Posted August 8, 2019 Author Report Share Posted August 8, 2019 She's a 21'MA. Many thanks for the advice. And yes power and gas:) Quote Link to comment Share on other sites More sharing options...
justfish Posted August 9, 2019 Report Share Posted August 9, 2019 LxWxH in feet multiplied by 7.48 or LxWxH in inches divided by 231 will get you gallons It’s a couple of the formulas we teach in fire hydraulics and I always tell them to just remember the cubic inch formula cause you can easily convert feet to inches 1 Quote Link to comment Share on other sites More sharing options...
FLDXT Posted August 10, 2019 Report Share Posted August 10, 2019 Not sure about all these tanks, but my 17 MA tank was not square, it was coffin shaped so the L x W x H was not going to give an accurate volume. Best bet is to call MBC. Quote Link to comment Share on other sites More sharing options...
HoneyB Posted August 10, 2019 Report Share Posted August 10, 2019 a rectangle does not change math. If your saying it is a belly tank with a bottom that lower than the sides then yes that would add volume . Quote Link to comment Share on other sites More sharing options...
justfish Posted August 11, 2019 Report Share Posted August 11, 2019 12 hours ago, FLDXT said: Not sure about all these tanks, but my 17 MA tank was not square, it was coffin shaped so the L x W x H was not going to give an accurate volume. Best bet is to call MBC. Square, rectangle...Same math. Like said above if it tapered down then would change so come up up with an average and you’ll get it close. Or empty it and fill it up 🤷🏼♂️ 1 Quote Link to comment Share on other sites More sharing options...
FLDXT Posted August 11, 2019 Report Share Posted August 11, 2019 I meant by coffin shaped, tapered down. If I recall it was tapered at the bow end slightly. Quote Link to comment Share on other sites More sharing options...
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