Mistress transom replacement
04-13-2008 | 06:34 AM
#51
Charter Member #232
Joined: Oct 2000
Posts: 18,417
Likes: 6
From: Carlisle, MA USA
Ah I love some of the old threads!!!! 
Dave I think that you need to use the new things that they use for kitchen counteres and what not now for maping out the transomes and stringers.
Dave I think that you need to use the new things that they use for kitchen counteres and what not now for maping out the transomes and stringers.
__________________
Put your best foot forward!
Put your best foot forward!
04-13-2008 | 04:44 PM
#52
Thread Starter
Registered User
Joined: Oct 2003
Posts: 156
Likes: 0
From: Navarre Fl
Transom Replacement
Transom replacement got a little behind schedule,installed transom today and will fill gaps with cabosil and glass over everything this week sometime.Really not a bad job at all,so far worst part was tearing old transom out.Have about 20 hrs in it right now and about $700.00 in materials.Have plenty of pics if you need any.Got plenty of help from the guys on this forum!What year is your Mistress?
04-15-2008 | 11:07 AM
#54
Registered
Joined: Dec 2002
Posts: 3,705
Likes: 0
From: Kankakee Illinois
man . . . that got poofed before i even got done replying . . .
Thanks Chris . . . buz me when your ready.
Ya know . . . upon reviewing my earlier answer on how best to tackle this project i would like to revise my method of repair
I would have the inner surface of the transom laser scanned to generate a 3D map that can than be used to CNC cut an exact replica out of a Coosa. From there remove the entire deck of your Mistress so this new piece can be lowered in in one sheet. Set up a vacuum infusion/carbon fiber system to ensure proper wet out and a tight laminate using only West Systems epoxy. After its initial cure place the boat in your autoclave for post curing . . . . you do have an autoclave dont you? If not your welcome to use mine
Justice, sorry the thread got side tracked a bit. It does happen around here sometimes and i hope you see some of the humor in it. So far its heading in the right direction. Prep is everything, as Audio and others said knock that lip down and also dont forget to fill any gaps at the edges with something like cab-o-sil. Triple 1/2 inch is a sweet race layup for a transom, double 3/4 is what it probably had originally, either would work fine.
. . .Thanks Chris . . . buz me when your ready.
Ya know . . . upon reviewing my earlier answer on how best to tackle this project i would like to revise my method of repair
I would have the inner surface of the transom laser scanned to generate a 3D map that can than be used to CNC cut an exact replica out of a Coosa. From there remove the entire deck of your Mistress so this new piece can be lowered in in one sheet. Set up a vacuum infusion/carbon fiber system to ensure proper wet out and a tight laminate using only West Systems epoxy. After its initial cure place the boat in your autoclave for post curing . . . . you do have an autoclave dont you? If not your welcome to use mine
Justice, sorry the thread got side tracked a bit. It does happen around here sometimes and i hope you see some of the humor in it. So far its heading in the right direction. Prep is everything, as Audio and others said knock that lip down and also dont forget to fill any gaps at the edges with something like cab-o-sil. Triple 1/2 inch is a sweet race layup for a transom, double 3/4 is what it probably had originally, either would work fine.
You forgot the part about the robots.......
04-26-2008 | 03:19 PM
#56
Thread Starter
Registered User
Joined: Oct 2003
Posts: 156
Likes: 0
From: Navarre Fl
Hey guys here are a few updates on transon replacement.Ordered extra glass so I took a little more time and put it all in.Layer of epoxy mat,3/4 ply,layer of epoxy mat,3/4 ply.4 layers of biaxial,tabbing each layer to sides.Then triple layers in corners and stringers.Covered hole in top of transom with 3 layers of glass inside and out.Should take alot to tear the a$$ out of this Mistress.% gallons of epoxy and 18 yards of glass!
04-27-2008 | 11:56 AM
#60
Thread Starter
Registered User
Joined: Oct 2003
Posts: 156
Likes: 0
From: Navarre Fl
Yeah I would do it again on the right boat.If you like working on your boat it's really not bad.Worst part was tearing out all the old transom wood and the grinding.Job could have been done in 5 days if you had all day and I saved quite a bit of money!!All I have left is some filer ,sanding,paint and she can go back together!!!
