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Old 04 January 2015, 13:38   #1
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A-Frame pulled out of deck on Redbay

Hi all, during a recent rough crossing we noticed when we got home that the a-frame had been pulled up out of the deck on one side. Anyone ever see this happen before? Are they screwed/bolted down or just glassed in? Click image for larger version

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ID:	102016The boat is a Redbay 6.5.
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Old 04 January 2015, 13:50   #2
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Had this happen on a 2007 7.8 Ribcraft, probably due to years of attaching mooring lines to the A-Frame ( not a good idea ! ) The frame was meerly bolted to the deck and glassed over. I reinforced it with SS plates, top and bottom and I believe Ribcraft do something similar now too !
Cheers, Col
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Old 04 January 2015, 14:06   #3
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I used to have a 6.5 - I'd guess it's screwed and glassed but I dunno for sure. I've never seen damage like that before! Looks like A-frame off time to me

Ronan Keyes might be the lad to talk to for repairs, but IMO, give RBB a call first for advice. As a sidebar, do you know if the previous owners might have indulged in towed watersports?
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Old 04 January 2015, 15:38   #4
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Quote:
Originally Posted by northcol View Post
Had this happen on a 2007 7.8 Ribcraft, probably due to years of attaching mooring lines to the A-Frame
More likely towing stuff a lot heavier than kids on inflatables.

Not heard of an Osprey frame pulling out.
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Old 04 January 2015, 17:38   #5
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Quote:
Originally Posted by Mollers View Post
More likely towing stuff a lot heavier than kids on inflatables.

Not heard of an Osprey frame pulling out.
Left yerself wide open there old bean
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Old 04 January 2015, 17:54   #6
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Quote:
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More likely towing stuff a lot heavier than kids on inflatables.

Not heard of an Osprey frame pulling out.
No mate, no towing as know the history !

Don't underestimate the Huge strain on A-Frame from mooring lines, it's not designed for this purpose but often used as most convenient.
As a fixing point for a short period of time in good conditions maybe ok, but for longer periods the constant strain produced from the too and fro of even a moderate swell will eventually make there mark.

Fix a towing eye on the transom for real security and piece of mind when alongside !
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Old 05 January 2015, 02:35   #7
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Left yerself wide open there old bean
Let's wait and see.
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Old 05 January 2015, 05:05   #8
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Let's wait and see.
Having snapped a few things bolted to Osprey A frames I,ve never had any problems with the mountings.

When we took the frame off to put a 5 mm plate on for the radar tower the crane lifted the rear of the rib off the trailer with just the PU40 sealer holding it to the rib.

But we did make the frame and fixings
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Old 05 January 2015, 05:41   #9
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Having snapped a few things bolted to Osprey A frames I,ve never had any problems with the mountings.
Also, the forward frame foot plates are bolted through the top of the transom boxes which have 18mm ply glassed into them. Access is available into the boxes to allow for hench nuts a washers. If failure should occur, it would be a easier fix than a ripped floor. I have 4x M10 bolts holding each plate down. The rear mounts are through the transom, more wood and big bolts.
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Old 05 January 2015, 07:19   #10
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Quote:
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Also, the forward frame foot plates are bolted through the top of the transom boxes which have 18mm ply glassed into them. Access is available into the boxes to allow for hench nuts a washers. If failure should occur, it would be a easier fix than a ripped floor. I have 4x M10 bolts holding each plate down. The rear mounts are through the transom, more wood and big bolts.
Fairly much exactly the same setup as the newer model Stormforce 650. The OP appears to have a 6.5m, it's A-frame is bolted to the transom but fixed to the deck on the forward legs. It needs a decent job repair before water gets in there....
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