Here are my numbers....
20' long 2.5' wide average depth of 6".
25 cubic feet per side =50
375 us gallons *8lb/gal
3000 lb......
Here are my numbers....
20' long 2.5' wide average depth of 6".
25 cubic feet per side =50
375 us gallons *8lb/gal
3000 lb......
2003 Supra Launch " Gravity Games Edition"
Dodge ram CTD tow vehicles....
Go ahead and do it to the Sunsport. Its just fibreglass, worse case scenario you have to repair the transom.
2003 Supra Launch " Gravity Games Edition"
Dodge ram CTD tow vehicles....
Drilling three 3" holes in the transom with gate valves would achieve the same results other than filling on the go.
2003 Supra Launch " Gravity Games Edition"
Dodge ram CTD tow vehicles....
Math is good, as for doing to the Sunsport... hahaha.... maybe. I like the point of filling on the go and being able to take off without the weight. Would maybe reduce the volume for around 2000 lbs of weight.
The critical part is the vents
2003 Supra Launch 22SSV
1986 Ski Natique 2001
it seems fairly straight forward until you open the floor up and see the space you have to work with. it 'could' be done but you'd have to be a world class fiberglasser & decent engineer. the smaller side stringers get in the way and restrict the space unless you flood all 4 compartments instead of just the main 2. then there are cross braces every 3-4 feet. plus you need to get a serious seal where the floor contacts the stringer tops. on top of those issues your fiberglassing needs to survive being submerged. you really want to use composite materials for this.
redesigning the stringer layout would be a good idea to maximize space and also increase the fill & empty speeds. it's an overwhelming project when most people are just in a rush to get their boat back together and on the water. i'd love to see someone do it though.
Sounds like a aircraft fuel tank. I wonder what they use to seal everything.
2003 Supra Launch 22SSV
1986 Ski Natique 2001
Glue in a pond liner which encases everything. The seal point could be where the centre stringer meets the floor. Venting and drilling holes would be EZ. To me anyone who is in the market for a cap off resto would be crazy not to attempt it.
2003 Supra Launch " Gravity Games Edition"
Dodge ram CTD tow vehicles....