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20 April 2021, 17:14
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#1
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Member
Country: UK - England
Make: Ribeye
Length: 5m +
Join Date: Apr 2021
Posts: 15
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Elephant trunk fitting
I need to replace the elephant trunks on my Ribeye and it appears the old ones were glued onto the tube coming out of the transom with impact adhesive or similar, do the replacements need to be glued on or will a jubilee clip or two on each one do the job?
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20 April 2021, 17:24
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#2
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Member
Country: UK - Scotland
Town: Scotland
Boat name: Clyde adventurer
Make: Humber
Length: 8m +
Engine: Twin Merc 150 4str
Join Date: May 2015
Posts: 472
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Personally I went with both. They’re a tightish fit so you’ll probably find you need to slip on ‘wet’ rather than ‘tacky’. I did first coat let dry to touch, second coat then slipped on and tightened up stainless clip over. No issues found.
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21 April 2021, 13:32
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#3
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Member
Country: Ireland
Town: New Ross
Boat name: SIRIUS
Make: Ribcraft 4.8M
Length: 4m +
Engine: 60HP Mariner EFi
MMSI: 250 005566
Join Date: May 2018
Posts: 174
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Hi, I fitted one to my Ribcraft last season. I bought it from RIB shop, they leave the last couple of inches of the seam unglued, so it is easier to slip over the short tube that is on the transom,, you just slip it over the tacky glue then glue that last bit of the seam, if that makes sense. Also I used a heat gun on the old trunk to breakdown the glue to get the old one off. I didn't use a jubilee clip as was happy with my gluing job. They do different size diameter trunks, so measure yours before you order
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21 April 2021, 16:20
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#4
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Member
Country: UK - Scotland
Town: Scotland
Boat name: Clyde adventurer
Make: Humber
Length: 8m +
Engine: Twin Merc 150 4str
Join Date: May 2015
Posts: 472
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Quote:
Originally Posted by TimB
Hi, I fitted one to my Ribcraft last season. I bought it from RIB shop, they leave the last couple of inches of the seam unglued, so it is easier to slip over the short tube that is on the transom,, you just slip it over the tacky glue then glue that last bit of the seam, if that makes sense. Also I used a heat gun on the old trunk to breakdown the glue to get the old one off. I didn't use a jubilee clip as was happy with my gluing job. They do different size diameter trunks, so measure yours before you order
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Sounds like a better job. Getting those gluing conditions right here in Scotland not so easy though!
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21 April 2021, 16:24
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#5
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Member
Country: Ireland
Town: New Ross
Boat name: SIRIUS
Make: Ribcraft 4.8M
Length: 4m +
Engine: 60HP Mariner EFi
MMSI: 250 005566
Join Date: May 2018
Posts: 174
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Ireland Republic of, ain't much more tropical than Scotland, and my two part mix worked.
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21 April 2021, 16:34
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#6
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Member
Country: UK - Scotland
Town: Scotland
Boat name: Clyde adventurer
Make: Humber
Length: 8m +
Engine: Twin Merc 150 4str
Join Date: May 2015
Posts: 472
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Quote:
Originally Posted by TimB
Ireland Republic of, ain't much more tropical than Scotland, and my two part mix worked.
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Good stuff [emoji106]
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22 April 2021, 08:53
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#7
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Member
Country: Other
Town: Principalite d'Chaos
Boat name: The Nashers Revenge!
Make: Windsor Brothers
Length: 6m +
Engine: Optimax 225
MMSI: "Mmmmm SI" she said!
Join Date: Jan 2004
Posts: 4,891
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You really don't want to lose an Elephants trunk that comes unglued, as obviously you end up with a big hole in the boat, normally below the waterline.
So mine are glued with a Jubilee clip over the top as well.
Nasher.
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22 April 2021, 09:29
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#8
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Member
Country: UK - England
Town: Poole
Boat name: ORCA III
Make: XS500
Length: 4m +
Engine: Mercury 60hp
Join Date: Jun 2018
Posts: 156
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Mine leaked from new, found it leaked from where trunk overlapped.
not glued on just held by jubilee clip.
took off and put sealant along join not perfect but better.
don`t use it as not all water drains away,so have fitted bilge pump.
what glue do you use,is it easy to remove.
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22 April 2021, 09:37
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#9
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Member
Country: Ireland
Town: New Ross
Boat name: SIRIUS
Make: Ribcraft 4.8M
Length: 4m +
Engine: 60HP Mariner EFi
MMSI: 250 005566
Join Date: May 2018
Posts: 174
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22 April 2021, 09:38
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#10
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Member
Country: Ireland
Town: New Ross
Boat name: SIRIUS
Make: Ribcraft 4.8M
Length: 4m +
Engine: 60HP Mariner EFi
MMSI: 250 005566
Join Date: May 2018
Posts: 174
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They sent me a smaller tin as well when I ordered the drain sock from them
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22 April 2021, 09:51
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#11
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Member
Country: UK - England
Town: Poole
Boat name: ORCA III
Make: XS500
Length: 4m +
Engine: Mercury 60hp
Join Date: Jun 2018
Posts: 156
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Quote:
Originally Posted by TimB
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Thanks
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22 April 2021, 10:19
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#12
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Member
Country: UK - England
Make: Ribeye
Length: 5m +
Join Date: Apr 2021
Posts: 15
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Thanks for the replies, sounds like glue and jubilee clips are the way to go!
I’ve also noticed the sealant around the tube the trunk goes on has perished and there’s a small crack around it, it’s not taking on much water (if any) from this but obviously want to sort it. What sort of sealant should I use? Is sikaflex ok or should it be marine silicone?
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22 April 2021, 12:57
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#13
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Member
Country: UK - Scotland
Town: Scotland
Boat name: Clyde adventurer
Make: Humber
Length: 8m +
Engine: Twin Merc 150 4str
Join Date: May 2015
Posts: 472
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Quote:
Originally Posted by mickter
Mine leaked from new, found it leaked from where trunk overlapped.
not glued on just held by jubilee clip.
took off and put sealant along join not perfect but better.
don`t use it as not all water drains away,so have fitted bilge pump.
what glue do you use,is it easy to remove.
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It’s more for removing big amounts of water so bilge pump better for small amounts. I’d only deploy if it’s pretty wild and You expect decent amounts over the side. That or a good stuffing ! Due to the sucking effect of the trailing trunk it’ll remove very large amounts of water pretty dam quick. Yes sikaflex [emoji1305]
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25 April 2021, 16:53
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#14
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Member
Country: UK - Scotland
Town: Fort William
Make: Ribcraft 585
Length: 5m +
Engine: Yamaha F115
Join Date: Mar 2012
Posts: 2,913
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Quote:
Originally Posted by Stansbo
Thanks for the replies, sounds like glue and jubilee clips are the way to go!
I’ve also noticed the sealant around the tube the trunk goes on has perished and there’s a small crack around it, it’s not taking on much water (if any) from this but obviously want to sort it. What sort of sealant should I use? Is sikaflex ok or should it be marine silicone?
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In my opinion there is no need for the jubilee if the gluing job has been done right. It’s only glue that holds the tubes together and keeps them stuck to your hull.
If you are going to use a sealant/adhesive I’d recommend the Sikaflex 291i.
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