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28TE thru hull
-
- Mate
- Posts: 15
- Joined: Thu Mar 25, 2021 5:25 pm
- Home Port: Portland, Maine
Re: 28TE thru hull
I think I'm drilling tomorrow. I see in the schematic that the they recommend to drill larger, fill with thickened epoxy then drill the actual thru hull through the plug. If anyone has done this - how big should I make the hole for a 3/4" thru hull?
04' 28TE Kris Ann
- Pitou
- Gold Member
- Posts: 2091
- Joined: Thu Feb 22, 2007 1:34 pm
- Home Port: Gloucester, MA
- Location: Essex, MA
Re: 28TE thru hull
I like a quarter inch extra on all sides .. 1 1/4" for a 3/4" thru hull. Glad to see that you're doing things correctly and protecting your hull.
Post a picture of the hole saw plug of the hull when you're done so that we can all see the coring. This will be helpful to have on the forum for the '04 vintage hulls.
Post a picture of the hole saw plug of the hull when you're done so that we can all see the coring. This will be helpful to have on the forum for the '04 vintage hulls.
kevinS
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
- catalina_mike
- Gold Member
- Posts: 721
- Joined: Mon Mar 09, 2015 11:20 am
- Home Port: Dana Point
Re: 28TE thru hull
You can just use 5200 to stick it to the hull. Proper cleaning first and let it cure before mounting the pump or mount the pump first then stick it to the hull.
Silverton 2007 36C
Sold - Albin 1999 28TE
SSI Instructor 13937
SDI / TDI Instructor 18172
USCG 100 Ton near coastal
Sold - Albin 1999 28TE
SSI Instructor 13937
SDI / TDI Instructor 18172
USCG 100 Ton near coastal
-
- Mate
- Posts: 15
- Joined: Thu Mar 25, 2021 5:25 pm
- Home Port: Portland, Maine
Re: 28TE thru hull
I will definitely document the install. When I drill and fill I'll figure out the layout.Pitou wrote: ↑Fri Apr 01, 2022 8:53 am I like a quarter inch extra on all sides .. 1 1/4" for a 3/4" thru hull. Glad to see that you're doing things correctly and protecting your hull.
Post a picture of the hole saw plug of the hull when you're done so that we can all see the coring. This will be helpful to have on the forum for the '04 vintage hulls.
04' 28TE Kris Ann
- GSSeattle
- Gold Member
- Posts: 128
- Joined: Fri Nov 15, 2019 3:37 pm
- Home Port: Anacortes Marina (Anacortes, WA)
- Location: Seattle
Re: 28TE thru hull
Just a thought here - when I drill for mounting something, I drill the correct size hole and then use a dremmel or similar to dig out the core material about 1/4" on all sides, but leave the top and bottom laminate. Then I fill with thickened epoxy, and re-drill before bedding it. I think this would be better than drilling an oversized hole because it retains the strength of the laminate, while sealing the core. Full disclosure, I have yet to drill for a thru-hull...alandry100 wrote: ↑Fri Apr 01, 2022 8:37 am I think I'm drilling tomorrow. I see in the schematic that the they recommend to drill larger, fill with thickened epoxy then drill the actual thru hull through the plug. If anyone has done this - how big should I make the hole for a 3/4" thru hull?
Greg
2000 Albin 28 TE "Turtle Express"
2000 Albin 28 TE "Turtle Express"
- RobS
- Gold Member
- Posts: 4044
- Joined: Wed Oct 03, 2007 6:20 am
- Home Port: Center Moriches, NY
- Contact:
Re: 28TE thru hull
Further to Greg's approach: A properly sized allen key (hex wrench) chucked in a drill works great for digging out the core (long side in the drill)
Rob S.
"TENACIOUS"
1974 Chris Craft 36' Commander Tournament
Cummins 6BTA 330B's
(Former Owner)
"TOY-RIFIC" 2000 28TE, 6LP, Hull 408
Luck is the residue of good design.
"TENACIOUS"
1974 Chris Craft 36' Commander Tournament
Cummins 6BTA 330B's
(Former Owner)
"TOY-RIFIC" 2000 28TE, 6LP, Hull 408
Luck is the residue of good design.
-
- Mate
- Posts: 15
- Joined: Thu Mar 25, 2021 5:25 pm
- Home Port: Portland, Maine
Re: 28TE thru hull
Finally got the nerve to drill a hole.
Used the allen wrench method to chip back some of the core - pretty messy process. If you are type A I would go the Dremel route. Luckily I am not. Filled with silica thickened adhesive epoxy. Temps were around 45-50* so the Total Boat slow curing hardener that I had was not recommended. Trip to West Marine - went with G/flex thickened.
I also epoxied down the backing plate and a board for the washdown pump. Tomorrow plan to re-drill hole, fill any voids and mount the thru hull.
Any ideas on how to line up/ tighten both the clamshell and the seacock so they are both facing in the correct direction without making a ridiculous mess with 4200?
Balsa cored. I will post the plug but it was still in the hole saw and forgot to get it out and photograph.Used the allen wrench method to chip back some of the core - pretty messy process. If you are type A I would go the Dremel route. Luckily I am not. Filled with silica thickened adhesive epoxy. Temps were around 45-50* so the Total Boat slow curing hardener that I had was not recommended. Trip to West Marine - went with G/flex thickened.
I also epoxied down the backing plate and a board for the washdown pump. Tomorrow plan to re-drill hole, fill any voids and mount the thru hull.
Any ideas on how to line up/ tighten both the clamshell and the seacock so they are both facing in the correct direction without making a ridiculous mess with 4200?
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04' 28TE Kris Ann
- catalina_mike
- Gold Member
- Posts: 721
- Joined: Mon Mar 09, 2015 11:20 am
- Home Port: Dana Point
Re: 28TE thru hull
Looks good.... 4200 is good so you can reseal on haulouts.
Silverton 2007 36C
Sold - Albin 1999 28TE
SSI Instructor 13937
SDI / TDI Instructor 18172
USCG 100 Ton near coastal
Sold - Albin 1999 28TE
SSI Instructor 13937
SDI / TDI Instructor 18172
USCG 100 Ton near coastal
- Pitou
- Gold Member
- Posts: 2091
- Joined: Thu Feb 22, 2007 1:34 pm
- Home Port: Gloucester, MA
- Location: Essex, MA
Re: 28TE thru hull
You're on the right track and good job sealing the balsa core. All the talk and Albin promotion of going to AirX coring in 2002 and through personal experience and seeing others still having balsa I wonder if they ever really did it. My 2006 has a "dry" balsa core in the hull.
You'll find it much easier and doable having two people, one inside and one out, getting the scoop facing forward especially if your using a scoop strainer that is attached to a threaded nipple.
You'll find it much easier and doable having two people, one inside and one out, getting the scoop facing forward especially if your using a scoop strainer that is attached to a threaded nipple.
kevinS
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
- RobS
- Gold Member
- Posts: 4044
- Joined: Wed Oct 03, 2007 6:20 am
- Home Port: Center Moriches, NY
- Contact:
Re: 28TE thru hull
Are you sure that's not the closed cell foam coring material?
Here's a 2001 that I drilled and carved out for a ducer install. Definitely foam cored...
And the foam core transom gunnel on my 2000 when I drilled for adding a road holder. I had already gelcoated the bore when I took the rod holder pic but the plug is there.
Here's a 2001 that I drilled and carved out for a ducer install. Definitely foam cored...
And the foam core transom gunnel on my 2000 when I drilled for adding a road holder. I had already gelcoated the bore when I took the rod holder pic but the plug is there.
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Rob S.
"TENACIOUS"
1974 Chris Craft 36' Commander Tournament
Cummins 6BTA 330B's
(Former Owner)
"TOY-RIFIC" 2000 28TE, 6LP, Hull 408
Luck is the residue of good design.
"TENACIOUS"
1974 Chris Craft 36' Commander Tournament
Cummins 6BTA 330B's
(Former Owner)
"TOY-RIFIC" 2000 28TE, 6LP, Hull 408
Luck is the residue of good design.
-
- Mate
- Posts: 15
- Joined: Thu Mar 25, 2021 5:25 pm
- Home Port: Portland, Maine
Re: 28TE thru hull
Rob -
Actually not sure at all - I’ll look again at the core when I get home. It could have been foam - was very easy to remove.
A
Actually not sure at all - I’ll look again at the core when I get home. It could have been foam - was very easy to remove.
A
04' 28TE Kris Ann
-
- Mate
- Posts: 15
- Joined: Thu Mar 25, 2021 5:25 pm
- Home Port: Portland, Maine
Re: 28TE thru hull
Upon review - I think it’s foam.
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04' 28TE Kris Ann
-
- Mate
- Posts: 15
- Joined: Thu Mar 25, 2021 5:25 pm
- Home Port: Portland, Maine
Re: 28TE thru hull
With measurement.
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04' 28TE Kris Ann
- Pitou
- Gold Member
- Posts: 2091
- Joined: Thu Feb 22, 2007 1:34 pm
- Home Port: Gloucester, MA
- Location: Essex, MA
Re: 28TE thru hull
That is defiitely foam. Thanks for sharing.alandry100 wrote: ↑Mon Apr 04, 2022 6:10 pm 64579520-F41E-4093-A704-EC739E136593.jpegUpon review - I think it’s foam.
As you move through this project, make sure that you are as diligent with the bolt or screw holes for the scoop strainer and you'll ensure a long dry installation.
kevinS
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
-
- Mate
- Posts: 15
- Joined: Thu Mar 25, 2021 5:25 pm
- Home Port: Portland, Maine
Re: 28TE thru hull
For the screws - what is the proper way? Over drill - fill with epoxy - then re-drill? Or can the holes be drilled then injected with 4200 and filled?
04' 28TE Kris Ann