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by jacquesmm
Tue Jul 17, 2018 1:17 pm
Forum: Power Boats
Topic: GF12: Missing Measurement
Replies: 2
Views: 10

Re: GF12: Missing Measurement

It is the same outline as the transom. Use the transom as a template.
by jacquesmm
Tue Jul 17, 2018 10:37 am
Forum: Power Boats
Topic: Preparing for GT27 build - questions
Replies: 25
Views: 403

Re: Preparing for GT27 build - questions

Back from my little trip, thanks for your patience. That foam is structural, insulation is an added benefit. You should not substitute insulation foam, it will fail at the interface. There is not much stress there but the expansion and shrinking of the insulation foam will, after a while, separate t...
by jacquesmm
Tue Jul 10, 2018 2:14 pm
Forum: Builder's Small Boats
Topic: FS14 Build - Pics, etc.
Replies: 50
Views: 2123

Re: FS14 Build - Pics, etc.

As long as it glued, it's fine. If there is a gap, fill it with more epoxy.
Plain epoxy runs, is difficult to apply as a glue on vertical surfaces, that is why we mix it with some wood flour.
by jacquesmm
Mon Jul 09, 2018 7:19 pm
Forum: Builder's Power Boats
Topic: HP requirements for wooden boats
Replies: 3
Views: 124

Re: HP requirements for wooden boats

Friends don't let friends build a Spira design. :lol: :lol: :lol: :lol: All the previous comments are correct: same hull, same displacement = same HP requirement but . . . The weights are not the same. My designs do not require closely spaced 2x4's, they are lighter and stiffer, therefore they do no...
by jacquesmm
Mon Jul 09, 2018 4:26 pm
Forum: Power Boats
Topic: LM18LS cockpit drainage
Replies: 2
Views: 112

Re: LM18LS cockpit drainage

All those boats are designed to be self-bailing at the dock. With no crew, the sole is well above the waterline. Once people and gear get on board, the waterline goes up. With a big engine, lots of fuel and 2 guys in the stern, water reaches the scuppers. It does not mean the boat will sink, with bu...
by jacquesmm
Mon Jul 09, 2018 11:34 am
Forum: Power Boats
Topic: Cat 22
Replies: 15
Views: 406

Re: Cat 22

Hi Jacques, Any chance of a couple more drawings A4 size, so I can play around with the width, Also lots of the hull shape where it hits the water. and front on. Did you buy the plans? You could import the PDF files and scale those ones. I would not change the hull shape, only scaling all by max. 1...
by jacquesmm
Mon Jul 09, 2018 11:29 am
Forum: Power Boats
Topic: Cat 22
Replies: 15
Views: 406

Re: Cat 22

Jacques missing his drafter might hate me for this, but I really would have liked to see a 3D interactive rendering of my boat before I built it. M That's only 200 hours of work. Seriously, I can scale a rough model and do a few renderings in 3 or 4 hours but not right now. I am still very busy wit...
by jacquesmm
Sat Jul 07, 2018 7:21 pm
Forum: Anything else and for sale. . .
Topic: Free magazines and books.
Replies: 11
Views: 374

Re: Free magazines and books.

Fall guy, those are old magazines, they look old, they are not museum pieces. I went through them to get ideas about design and left sticky notes here and there. There is no water damage, no pages stuck together. I posted on Duckworks too, I have many friends there but I give you first pick. Let's s...
by jacquesmm
Sat Jul 07, 2018 4:21 pm
Forum: Power Boats
Topic: Phantom test ride
Replies: 5
Views: 218

Re: Phantom test ride

In a 100 miles radius around Gainesville, there must be around 100 PH16 and PH18's built. I designed the boat around 25 years ago based on a local plywood design. It was first produced in fiberglass under the name Ghost (not the Ranger Ghost). They look like the Willys boats but are much wider, very...
by jacquesmm
Sat Jul 07, 2018 3:42 pm
Forum: Anything else and for sale. . .
Topic: Free magazines and books.
Replies: 11
Views: 374

Re: Free magazines and books. FREE

Update: the magazines are still there and I did spend a couple more hours in the attic doing some inventory. Here is what I have to give away: - a complete collection of Professional Boat Builder from number 1 to last month, 25 years total, a real boatbuilding encyclopedia. - about 15 years of Boat ...