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02-10-2022, 10:05 PM
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#1
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Senior Member
City: Sheridan
Vessel Name: Ethos of the T
Vessel Model: 26 Sedan Tollycraft
Join Date: Mar 2021
Posts: 149
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Cutting Fiberglass to Remove Fuel Tanks
1974 Tollycraft 26 Sedan
Would there be any draw back to remove two small sections of fiberglass that is just above the tanks. I would be able to remove the tanks without having to remove the engine. After the tanks are out I could repair the fiberglass, order a tank that is 2-4 inches shorter. I know I would loose some volume of gas but I would save quite a bit just not having to have the engine removed.
Sorry I do not know how to rotate the pictures
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02-10-2022, 10:36 PM
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#2
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Senior Member
City: Kasilof Alaska
Join Date: Aug 2015
Posts: 185
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IMHO I would cut the glass and never look back. Putting the glass back together is no big deal.
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02-10-2022, 11:13 PM
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#3
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
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You could make the glass as strong as it is now. Just take a bit of work to get in there.
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Boat Nut:
If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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02-11-2022, 06:46 AM
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#4
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Guru
Join Date: Jun 2008
Posts: 5,036
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Happy cutting.
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Jay Leonard
Ex boats: 1983 40 Albin trunk cabin, 1978 Mainship 34 Model 1
New Port Richey, Fl
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02-11-2022, 07:59 AM
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#5
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Senior Member
City: Sheridan
Vessel Name: Ethos of the T
Vessel Model: 26 Sedan Tollycraft
Join Date: Mar 2021
Posts: 149
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Thanks
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02-11-2022, 09:39 AM
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#6
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Senior Member
City: Solomons MD.
Vessel Name: Sun Runner
Vessel Model: 1985 Mainship 34 Trawler MK III
Join Date: Mar 2018
Posts: 488
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You could certainly cut them but....
The heavy, vertical ( I think ) pieces are structural members. Supporting the deck or flooring maybe, cain't tell. I'd take a long , hard look at what they are supporting and why they are heavily built and fiberglassed.
I'd want to replace them with something as strong. Maybe get a fiberglass Pro's opinion.
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02-11-2022, 12:01 PM
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#7
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Guru
City: Kenai, Alaska
Vessel Name: Melanie Rose
Vessel Model: 1999 Willard PH
Join Date: Feb 2013
Posts: 1,236
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Quote:
Originally Posted by Solly
You could certainly cut them but....
The heavy, vertical ( I think ) pieces are structural members. Supporting the deck or flooring maybe, cain't tell. I'd take a long , hard look at what they are supporting and why they are heavily built and fiberglassed.
I'd want to replace them with something as strong. Maybe get a fiberglass Pro's opinion.
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I agree they appear to be structural members.
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02-11-2022, 06:09 PM
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#8
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Guru
Join Date: Jan 2010
Posts: 1,181
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Why not just cut the tanks? This is a common process on doing a job as you describe
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02-11-2022, 08:08 PM
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#9
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TF Site Team
City: Saltspring Island
Vessel Name: Retreat
Vessel Model: C&L 44
Join Date: Nov 2007
Posts: 5,663
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As far as I can tell, your pictures are rotated 90° counter clockwise. The structural fibreglass you want to remove are holding up the floor above them. You can remove them temporarily so long as you provide something to temporarily support the floor. Up to you whether that is done simply or more complicated. support could even come from the attachment of the settee above, if that is available. After re-installing the new, re-install a similar support and BYU.
__________________
Keith
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02-11-2022, 08:25 PM
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#10
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
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Yes, to me it looks like the floor support beams. Which are structure for the deck but not that difficult to repair. Just put back some structure that will be at least as strong.
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Boat Nut:
If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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02-11-2022, 09:28 PM
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#11
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Senior Member
City: Sheridan
Vessel Name: Ethos of the T
Vessel Model: 26 Sedan Tollycraft
Join Date: Mar 2021
Posts: 149
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Quote:
Originally Posted by motion30
Why not just cut the tanks? This is a common process on doing a job as you describe
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I do not feel comfortable cutting gas tanks. I would probably have no problem if it were diesel.
Chris
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02-11-2022, 09:31 PM
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#12
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Senior Member
City: Sheridan
Vessel Name: Ethos of the T
Vessel Model: 26 Sedan Tollycraft
Join Date: Mar 2021
Posts: 149
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Quote:
Originally Posted by koliver
As far as I can tell, your pictures are rotated 90° counter clockwise. The structural fibreglass you want to remove are holding up the floor above them. You can remove them temporarily so long as you provide something to temporarily support the floor. Up to you whether that is done simply or more complicated. support could even come from the attachment of the settee above, if that is available. After re-installing the new, re-install a similar support and BYU.
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My plan is to fix those after the tank is out and before the new one goes in. The replacement tank is not going to be as tall and installing it with those support beam in place will not be an issue.
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02-11-2022, 09:32 PM
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#13
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Senior Member
City: Sheridan
Vessel Name: Ethos of the T
Vessel Model: 26 Sedan Tollycraft
Join Date: Mar 2021
Posts: 149
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Does anyone know if there is wood under that glass or is it straight glass?
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02-12-2022, 12:25 AM
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#14
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Senior Member
City: Kasilof Alaska
Join Date: Aug 2015
Posts: 185
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Pretty good chance it is something like a 2x4 with maybe two layers of glass over it.
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02-12-2022, 02:57 AM
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#15
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
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Most likely.
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Boat Nut:
If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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02-24-2022, 07:58 AM
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#16
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Senior Member
City: Aposentillo
Join Date: Jul 2018
Posts: 172
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Quote:
Originally Posted by trihartsfield
I do not feel comfortable cutting gas tanks. I would probably have no problem if it were diesel.
Chris
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Cutting tanks is not an issue, drain and fill with water, flush em a few times if it makes you feel better but cut full, you'll be fine. I have cut numerous tanks after filling with water and am still here to talk about it =)
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