Chinook mechanical joint failure

[cgoudie1]

Yep, just like that. I don't see those anywhere on Chinooks web site.
Maybe the last of the previous Chinese UNIs.

-Craig

[isobars]

$68.00???!!!
JEEZ, guys ... [i]swap meets[/i]. .
New: $10-$20 including two-bolt base plate
That's why I bought a box of them.
Yet I know many local sailors who have never been to a swap meet.
Support the CGW2.

[isobars]

[cgoudie1]

I consider swap meet UNIs if they're new. Used UNIs are a little like used
masts. I might buy one, but you never know what they've been through,
and they're kinda critical to get you back to your beer cooler.

-Craig

[dllee]

Have used 1 bolt bases since 1983.
Maybe a total of 100 days on 2 bolt.
So, 2,500 days on 1 bolt, including over 400 surfsailing days.
Once, the slug shattered on landing.
Maybe 7 times, got loose and slid forwards to front of track.
Never slid back and detached.
Had over 20 joint failures.
Snapped 6 boards in half.
Broke more than 12 carbon and 15 alu booms.
Definitely 15 masts.

[dllee]

Mech joints.
In mid 90's, used 100 days, got tight, no failure.
This year, 50 foil days and 10 hi wind ws days,no problems at all.

[dllee]

Had maybe 8 or so rubber joints break.
Mostly the bottom tips out of the plastic base, maybe one or 2 in the middle.
Working for Kinetic in early 2000, at least 600 rubber joints passed thru me...maybe 800.

[killeen_john]

I'm kind of interested in trying out the mechanical joint on my boards. I have an older (10+ years) Chinook 2 bolt rubber (Kinetic) joint US Cup mast base that should have the joimt replaced and was wondering if the mechanical joint could be retrofit/swapped in place of the rubber joint? The photos sure make it look like a direct swap and maybe just needs some different hardware to make it work plus red Loctite.

https://chinooksailing.com/collections/mast-base-parts-hardware/products/mechanical-universal-joint

[grantmac017]

[killeen_john]