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General Discussion Tolman Skiffs / Re: Widebody weight/ effects of an overweight boat? Do I need a diet?
« Last post by friday on Today at 02:18:58 PM »
Had the boat weighed again, this time empty to give those building an idea of empty weight.

Honda 90 HP 359 lbs
Venture VB-2800 825 lbs

Total weight 3042 lbs

Boat and motor 2217 lbs
Boat only 1858 lbs
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General Discussion Tolman Skiffs / Ply & Fiberglass Questions
« Last post by sinned on Today at 02:14:07 PM »
Plywood: Anyone have any experience with TigerPly Marine Plywood?  The usual forums are empty on any recent info.
Spec'd as BS-1088 Certified and has a Lloyds number. Manufacturerd by Shelter Forest International out of Portland. https://www.tigerply.com/

Shelter's website says they started direct, West Africa production in 2017. 11 ply with 1.3mm face layers, Melamine glues.

Fiberglass: I have read a couple of posts in threads that suggested doing 12 ounce biax tape directly over fillets. I am trying to weigh the cost - time - benefit.

What I am stuck on is coming up with quantities of 4 in, 6in or 8" tapes as an equivalent for a Widebody.
Can anyone offer any guidance?

Thanks

Dennis
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General Discussion Tolman Skiffs / Re: Outboard brackets- current thinking?
« Last post by sinned on May 27, 2023, 06:43:54 PM »
Quote from: cj8mule on May 27, 2023, 06:30:10 AM
The boat above is a Great Alaskan Kodiak I'm building for Jake G.  Here's the link:  https://www.glacierboats.net/forum/index.php?topic=926.0

Thanks for the link. I had no idea you were doing this. As far as I knew all the GA stuff was paywalled/firewalled to only GA people.
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General Discussion Tolman Skiffs / Re: Outboard brackets- current thinking?
« Last post by cj8mule on May 27, 2023, 06:30:10 AM »
Quote from: sinned on May 26, 2023, 07:06:32 AM
cj8mule-

I am confused, the other boat above is yours?

Are there any more pics of the details?

dennis



The boat above is a Great Alaskan Kodiak I'm building for Jake G.  Here's the link:  https://www.glacierboats.net/forum/index.php?topic=926.0

Here's a couple of detail pictures of the motor pod





The grey boat above is Dave N's.  He painted it right after doing his motor pod...  I liked the red so much more because it was easier to find him out on the water.

--dave
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General Discussion Tolman Skiffs / Re: Outboard brackets- current thinking?
« Last post by sinned on May 26, 2023, 07:06:32 AM »
cj8mule-

I am confused, the other boat above is yours?

Are there any more pics of the details?

dennis
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General Discussion Tolman Skiffs / Re: Outboard brackets- current thinking?
« Last post by cj8mule on May 25, 2023, 04:30:46 PM »
I can only see 2 benefits for the bracket.  One is to get the motors in cleaner water and the second is to have a closed transom with a platform.  I think you loose some of that clean water when you build the bracket level with the fairbody. 

I'm pretty sure Dave N bolted his bracket and did a filet the best he could.  The boat in the picture above not only has the stringers all the way through, but also LVL's scabbed onto them.  I didn't use any bolts. 

Kobuk brings up a good point about all that weight cantilivered so use huge filets and some wide tape.  I used 4" 10oz, 6" 17oz biax, and 8" 10oz plus the 10 ounce overall.  I also used fiberglass fibers in a 50/30/20 mix for filet (50% wood flour, 30 fiber, 20 cabosil)

--dave
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General Discussion Tolman Skiffs / Re: Outboard brackets- current thinking?
« Last post by Kobuk on May 24, 2023, 10:47:59 PM »
Is there a good argument for a bracket vs. simply building a longer boat if more deck space is needed?  My boat incurs exponentially more stresses while on the trailer than while on the water and my concern with a bracket is having all that motor weight cantilevered so far aft while trailering.
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General Discussion Tolman Skiffs / Re: Outboard brackets- current thinking?
« Last post by sinned on May 24, 2023, 03:43:58 PM »
Quote from: cj8mule on May 24, 2023, 02:58:06 PM
This bracket was modeled after an armstrong.  The stringers go all the way through.


This is pretty much what I was imagining- carrying the stringers through the transom.

Dave's boat- I've been searching on 'another' site that he frequented for info as well. This was the post I was remembering.  And there were some interesting discussions on the downeast forums about doing similar to heavy FG workboats. Those seem to get benefit as well by using the bracket.

Here is a quick/dirty sketch of my reasoning-
The bolt on bracket is transfering the motor thrust via direct bearing and the bolt forces. No matter what, you end up transfering the forces into the transom to get them into the sides and stringers.

By grabbing on directy to the stringers, its a more direct route to transfer the motor thrust forces and you are getting the cantilever/backspan effect more directly. 
 
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General Discussion Tolman Skiffs / Re: Outboard brackets- current thinking?
« Last post by cj8mule on May 24, 2023, 02:58:06 PM »

This bracket was modeled after an armstrong.  The stringers go all the way through.



Here's a picture of Dave N's:



I never got to ride on Dave's boat after he installed the bracket, but did do a couple of buddy boat trips out in the Atlantic.  I saw no ill effects and looked great on plane.  I believe he saw and increase in mpg and mph.
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Boats For Sale / Re: 24 Jumbo For Sale
« Last post by KenB on May 24, 2023, 10:24:02 AM »
Superb.

Kind of the opposite of 'build fast go fishing' but worth every penny.

Good luck with the sale! Make sure the new owner knows about us over here!
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