Notice:
The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.
Yes I was inspired by Frank’s deck plate in this post http://www.catalina25-250.org/forum/topic.asp?TOPIC_ID=5564. I am in the middle of running my lines back to the cockpit and had no place to hook the blocks to lead them back to the organizers. I checked with Catalina and they don’t use a deck plate. They weld a tab to the compression post. My compression post is aluminum and I could have welded tabs on mine but it would have messed up the anodization. So I was looking for another solution and came upon Frank’s post. Thank you for sharing that picture with us Frank. I went out to the garage and found a piece of stainless steel, which had lived a life as something else and started cutting and drilling on it, till I ended up with this. It is actually a modified copy of the one Frank made. Stainless is hard to work with and going was slow. I think I spent six hours on this little part. Well I am on to the next step of mounting the organizers and clutches.
(I ordered mine from Garhauer, fit perfectly $25.00 plus some shipping, however it did not have the tabs in front and back. I would have liked thm in the back for the vang...)
Nope. I saw the second piece you made, and wondered what it was for..I shimmed my compression post at the bottom, because it was lifted by the mast plate. I used a slice of pipe, just the right diameter to support the post.
That is a beautiful piece of work! I wonder if you are using something as a spacer/shim, etc. between the aluminum mast and the s.s. bracket to prevent any potential electrolisis? If in salt, could that not be an issue?
This is a salt-water boat and had I thought about it I would have put a sheet of mylar between the compression post and the plate. I have only run into an electrolysis problem once on rigging. On one of my other boats I had a stainless steel shackle pin which went through an aluminum casting. When I went to take down the forestay off after many years of sitting in salt water I had to cut the shackle off. I had to take the casting off the boat and put it in a 20-ton press. The gauge showed 12,000 LB before the pin let loose. I was definitely impressed with what electrolysis could do. I will keep an eye on it.
I think the step and compression post are both stainless. The aluminum mast is insulated (at least on my boat) by a composite bearing plate / shim attached to the mast. The thru bolt slots on the mast step are slotted long enough to allow I think 1" of additional bearing plate if the shrouds become too short for adjustment.
The step and the compression post are both aluminum on my boat. Very light weight. Catalina must have found it too expensive and went to a steel assembly on later boats. The steel ones are chromed and the aluminum ones are anodized. See above picture of step.
Notice: The advice given on this site is based upon individual or quoted experience, yours may differ. The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.