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C
comfisherman
Senior Member
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From Alaska
Joined
Apr 26, 2009
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C
comfisherman
replied to the thread
Twin I/O to Twin Outboard Conversion Project
.
Glad you were able to get some hrs on it. That was quite the undertaking as far as peojects go. Seems like reasonable mpg for the size...
Aug 26, 2026
C
comfisherman
reacted to
tpenfield's post
in the thread
Twin I/O to Twin Outboard Conversion Project
with
Like
.
Quick Update . . . As the engines become more 'broken-in' I am seeing a sweet spot for fuel consumption. 3600 RPM, 31 mph, 1.4 mpg...
Aug 26, 2026
C
comfisherman
reacted to
fallguy's post
in the thread
Polypropylene honeycomb panels for hull construction?
with
Like
.
I used pp core on my cat build. It worked well for the bridgedeck construction; although there is some debate as to whether a double...
Aug 19, 2026
C
comfisherman
reacted to
tpenfield's post
in the thread
Re-design of 8 Foot Dinghy . . .
with
Like
.
Greetings, As mentioned in another design/build thread I am planning on re-making my 8-foot pram dinghy (fiberglass over foam...
Aug 18, 2026
C
comfisherman
reacted to
Calafatus_LAB's post
in the thread
Wanting to build a ~50ft aluminium power catamaran, and looking for others who'd like to build in parallel
with
Like
.
About 5–6 years ago I worked on a similar aluminium catamaran project in a professional setting. The concept had good potential, but the...
Aug 16, 2026
C
comfisherman
replied to the thread
Wanting to build a ~50ft aluminium power catamaran, and looking for others who'd like to build in parallel
.
Read the post from the 7th regarding the materials. Let's call it three as ferro cement is or should be relegated to the dustbin of...
Aug 16, 2026
C
comfisherman
reacted to
bajansailor's post
in the thread
Wanting to build a ~50ft aluminium power catamaran, and looking for others who'd like to build in parallel
with
Like
.
If laser welding is so amazingly good for welding aluminium boats, why isn't everybody using it? How long do you think it will take you...
Aug 15, 2026
C
comfisherman
reacted to
Tomsboatshed's post
in the thread
Small speed boat mold construction
with
Like
.
The old adage: How to make a million dollars in boatbuilding? Start with a billion…
Aug 15, 2026
C
comfisherman
replied to the thread
Kubota V3600
.
Neighbor had one done locally for about that on what I think was a 4039 dry stack, said it was about 800 from a local shop so your...
Aug 15, 2026
C
comfisherman
reacted to
tpenfield's post
in the thread
Small speed boat mold construction
with
Like
.
This thread has got me thinking that I need to make a new dinghy, because after 15 years or so the one I made has seen better days. It...
Aug 14, 2026
C
comfisherman
replied to the thread
Kubota V3600
.
We did a small cummins a few years back. Used a basic photo scan of the exhaust outlet, then had some plate laser cut to match the...
Aug 14, 2026
C
comfisherman
replied to the thread
Small speed boat mold construction
.
Nothing cures this debate like getting going on it. Op must have an idea of a shape, boat that size should easily fit in an average...
Aug 14, 2026
C
comfisherman
reacted to
ondarvr's post
in the thread
Small speed boat mold construction
with
Like
.
Intersesting, he is the one that described his health and financial situation, I didn't create any false scenario on my own. And he...
Aug 14, 2026
C
comfisherman
reacted to
bajansailor's post
in the thread
Small speed boat mold construction
with
Like
.
Tansl , I do get the impression that folk like Ondarvr and Ted Penfield (who have offered useful comments above) have extensive...
Aug 14, 2026
C
comfisherman
reacted to
tpenfield's post
in the thread
Small speed boat mold construction
with
Like
.
Perhaps @Admin can combine the 2 threads, since they are the same topic. Hopefully, @Chopperr007 will reply and speak for himself now...
Aug 14, 2026
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