Can you use the LPB pump to recharge the gas bottle then use it to blow the ballast tank? I know you wouldn't get as many "blow" compared to using Propel but you can refill the tanks everytime you surface.
Using the LPB pump as an air compressor.
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You'd need a huge air bottle. You can't use the standard gas backup canister. You'd also need a solenoid or other valve to seal the tube after the pump shuts off. I bet you'd get 1/8 of a ballast tank's worth of air.
Not feasible with onboard components, I'm afraid, but I like how you think!
Bob -
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Just stumbled across this
Technology - The knowledge and the equipment you'll need to construct and operate your radio controlled model submarine. Table of contents: - Submerging - absolute basics. - Dive planes. - Model types - static divers and dynamic divers - Model submarine ballast systems - The volume of your ballast tank - Sealing the moving parts
Was hoping to have a system that fits inside a 2" SD.
Definitely for bigger boats.
Maybe (a modified version of) this can be used onboard subs.
Last edited by redboat219; 09-24-2020, 11:18 AM.Make it simple, make strong, make it work!Comment
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Did some rough calculation (Boyle's Law P1V1=P2V2) with the 2" SD. To fit the volume air inside ballast tank into the gas canister would require approximately 60-70 PSI. Way beyond the capacity of the snort pumps ( rated to only 15-17 psi).
You could use a lower pressure but you would need a bigger storage tank. A smaller tank would entail using a more powerful pump.
Definitely for those with big boat.Last edited by redboat219; 09-25-2020, 08:06 AM.Make it simple, make strong, make it work!Comment
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