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TMS-20 / The Man Shed Update #193280
10/12/09 08:29 PM
10/12/09 08:29 PM
Joined: Feb 2009
Posts: 678
Palm Beach County
TheManShed Offline OP
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Well I'm back at it sort of itís been 6 weeks since I had my shoulder redone and Iím starting to get back around. It still hurts and I canít sleep that well yet but itís getting better. Still in PT doing stretching soon I'll be ready to switch to strength building. Then back to sailing, that will be nice!

I finished Mark's A-Cat mast and he has been out with it and it stayed together. I don't think he will have a problem with the repair area. It's nice to have my table back again.

I cleaned the shop and put the Ĺ hull of the TMS-20 on the table. I shaped the outside of the hull and now Iím bogging it out. It is easy to shape with bog on it as the foam strips and glue sand at different rates. Iím just doing a little at a time at this point. It helps stretch my shoulder but I do not want to push it. Hopefully in another few weeks I can man the sander a bit more.

Later.

Mike

Attached Files
P1010129.JPG (257 downloads)
P1010134.JPG (257 downloads)
P1010145.JPG (259 downloads)

Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

-- Have You Seen This? --
Re: TMS-20 / The Man Shed Update [Re: TheManShed] #193298
10/13/09 07:13 AM
10/13/09 07:13 AM

A
andrewscott
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andrewscott
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A



welcome back! glad you are healing well!

Re: TMS-20 / The Man Shed Update [Re: ] #193311
10/13/09 08:05 AM
10/13/09 08:05 AM
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Posts: 678
Palm Beach County
TheManShed Offline OP
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TheManShed  Offline OP
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Thanks Andrew!

Now if I can just adjust the sleep thing. I go a few days with just a couple hours until I zombie out.


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

Re: TMS-20 / The Man Shed Update [Re: TheManShed] #193468
10/14/09 01:49 PM
10/14/09 01:49 PM
Joined: Jan 2009
Posts: 5,525
pgp Offline
Carpal Tunnel
pgp  Offline
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Hi Mike! You've probably answered this before, but what kind of foam are you using? I ask because I need to replace the deck on my Tiki.

The Tiki was home built (not by me) and is generally well made. However, the original marine ply deck rotted away long ago and I wanted to replace it with a non-wood material.

Last edited by pgp; 10/14/09 01:50 PM.

Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.

Re: TMS-20 / The Man Shed Update [Re: pgp] #193529
10/14/09 11:22 PM
10/14/09 11:22 PM
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Palm Beach County
TheManShed Offline OP
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Pete,

Divinycell 3/8" Plain H-60 on the main hull and H-80 on the ama's. Here is a good link for it: http://www.merrittsupply.com/Divinycell-C720.aspx
If you don't buy from them at least you can see what product line the foam comes in. I use west system with 407 for the bog. Just use regular wood working tools, saws, ect...

Mike


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

Re: TMS-20 / The Man Shed Update [Re: TheManShed] #193530
10/14/09 11:25 PM
10/14/09 11:25 PM
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Palm Beach County
TheManShed Offline OP
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TheManShed  Offline OP
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I was interviewed by Joe at http://smalltrimarans.com/blog/ and he gave me a very nice write-up on my TMS-20 project. Look for the story

Building a Sleek 20-Foot Trimaran in ďThe Man ShedĒ

Good Luck!


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

Re: TMS-20 / The Man Shed Update [Re: TheManShed] #193553
10/15/09 07:26 AM
10/15/09 07:26 AM
Joined: Jan 2009
Posts: 5,525
pgp Offline
Carpal Tunnel
pgp  Offline
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Thanks Mike. What's your best guess as to comparable strength? If I'm replacing 1/2" ply will 1/2" divinycell sandwich be equal strength?


Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.

Re: TMS-20 / The Man Shed Update [Re: pgp] #193651
10/15/09 05:09 PM
10/15/09 05:09 PM
Joined: Feb 2009
Posts: 678
Palm Beach County
TheManShed Offline OP
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Palm Beach County
Pete,

Basically the strength is from your lay-up. There is a formula - when the skins and foam are added together the thicker the foam the stronger and stiffer the laminate as compared to a straight laminate. Some say you cannot do better then wood. Foam cost more but it is lighter and does not rot. Do you have a picture of your project perhaps a before is it a Wharram Tiki? I found a builders / Wharram website http://www.wharram.eu/cgi-bin/yabb2/YaBB.pl

There are things to plan for with foam such as masts, fittings, hardware, Crossbeams, ect...

From what I've seen most of the Tiki boat are built on frames and bulkheads so foam should not be a problem. One other thought is Balsa coring it makes a stronger and stiffer deck but it is subject to rot.

Mike

To answer your question yes I'd go with the 1/2 foam as your core thickness would be the same.


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

Re: TMS-20 / The Man Shed Update [Re: TheManShed] #193663
10/15/09 08:25 PM
10/15/09 08:25 PM
Joined: Apr 2002
Posts: 695
Ft. Pierce, Fl. USA
Seeker Offline
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Seeker  Offline
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Go to this site and look on page 18 for an illustrated explanation of how the core thickness effects stiffness.
http://www.marinecomposites.com/PDF_Files/G_Composite_Materials.pdf

Re: TMS-20 / The Man Shed Update [Re: TheManShed] #193678
10/16/09 05:41 AM
10/16/09 05:41 AM
Joined: Jan 2009
Posts: 5,525
pgp Offline
Carpal Tunnel
pgp  Offline
Carpal Tunnel

Joined: Jan 2009
Posts: 5,525
Mike: The deck and rudders need replacement, the rest of the boat is sound.

Seeker: Thanks for the link.


Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.


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