Replace broken boom casting

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C

Charles

The forward black casting on the boom of my 1994 Hunter 26 is broken and needs to be replaced. It was made by Isomat and is no longer being made. Charleston Spars took over Isomat but has no molds for this casting. Would anyone know of any junked boats of this series (mid '90's water-ballasted trailerables) that might have spare parts? Or any other ideas? My dealer is working with Charleston Spars, but remaking a mold may not be cost effective enough for them to do it. How about replacing the whole boom?
 
Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
did you check with Rig-Rite?

Charles: Have you checked with Rig-rite in Rhode Island?
 
Jan 2, 2005
779
Hunter 35.5 Legend Lake Travis-Austin,TX
As Steve said...

RigRite should be able to help you. Their website is a little tricky, but if you "drill down" inside the spar manufacturer data (you'll need to know make and measurements), you'll find what you're looking for. See below.
 
S

Steve O.

advertise for a used one

on this site under classified ads you can place an ad for a used one.
 
F

Fred

If you can't find one, you can make it out of

aluminium. Aluminium is not hard to work with. If you take your time, you can cut it with a sabre saw or a band saw and a small hand grinder. WEAR EYE PROTECTION!!! If you make the pieces and take it to a welding shop, the shop charge should be a half hour for the welding. If you don't have drill press you may want to have the shop drill the holes. Get a piece of 1" thick marine aluminium alloy, draw the shape from the old one or the boom end (if you use the boom end you have to do the outside, then make a line inside with an appropriate spacer). Do this on a piece of wood first so you can make a pattern. It may take a couple of tries to get the pattern right. You will probably have to grind the final piece a bit to get it to fit. Then make the flat pieces that sit at 90 degrees to the end out of lighter aluminium, use the sheaves (pullys) from the old fitting if they're still good, copy the shapes and holes for sheave pins and mast attachment. Get it welded together, drill the holes, put it together and go sailing. If you can find or modify an existing part, it will be easier and maybe cheaper. If you're really stuck, you can make your own. Another option is to take the broken part to a fabricator/welder and have them do the project.
 
C

Charles

Thanks Fred. That's what I've done.

I took it to a machine shop and they said they could probably fix it. It's there now and I'm eagerly awaiting the results. I'll let you know.
 
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