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by jacquesmm
Thu Jul 09, 2020 4:18 pm
Forum: Power Boats
Topic: Panga 20 Build
Replies: 688
Views: 62380

Re: Panga 20 Build

I don't see the inwale (sheer clamp) in there. You can skip it if the gunwale sits on top of the rubrail. Look at the drawing named details. It shows how I propose to build the gunwale. There are 5 perspective views, step by step. Built that way, you do not need any fiberglass there. There is anothe...
by jacquesmm
Wed Jul 08, 2020 5:37 pm
Forum: Questions before purchasing the plans and announcements..
Topic: Phantom 16/18
Replies: 39
Views: 11528

Re: Phantom 16/18

Dougster is correct.
For strength, the plans specify glass on the bottom and sides, up to 6" above DWL.
Glass on the deck, only on the top, is an option, not necessary IMHO.
EVERY part is coated with epoxy but not with glass. Good marine plywood will not rot.
by jacquesmm
Wed Jul 08, 2020 8:32 am
Forum: Questions before purchasing the plans and announcements..
Topic: Phantom 16/18
Replies: 39
Views: 11528

Re: Phantom 16/18

There is no need to use more glass than what I specify on the plans. A boat built that way ran over a sharp stump at 25 mph and the damage was very limited. He kept running on plane back to the dock.
by jacquesmm
Tue Jul 07, 2020 3:07 pm
Forum: Questions before purchasing the plans and announcements..
Topic: Phantom 16/18
Replies: 39
Views: 11528

Re: Phantom 16/18

Correct about the expected speeds. I tested the prototypes with 3 engines. 40 mph is very fast for a small flats boat. For the chine rail: it is something you add to the chine and you make it as large or as small as you want. The design was focused on being quite, stealthy. That's where the name cam...
by jacquesmm
Tue Jul 07, 2020 10:42 am
Forum: Power Boats
Topic: lm18 stringer spacing
Replies: 5
Views: 2101

Re: lm18 stringer spacing

The first reply shows how it looks in PDF, thank you.
by jacquesmm
Tue Jul 07, 2020 10:40 am
Forum: Power Boats
Topic: lm18 stringer spacing
Replies: 5
Views: 2101

Re: lm18 stringer spacing

have read plans several times and cant for the life of me find the stringer spacing. It says it can be found on the stations page but I cant find a single measurement for the notchs. does anyone offhand know what it is supposed to be? thanks Look at drawing B320/4, station C. http://gallery.bateau2...
by jacquesmm
Mon Jul 06, 2020 10:57 am
Forum: Power Boats
Topic: FS-17 Again
Replies: 59
Views: 18927

Re: FS-17 Again

It looks like you are working from the kit. There is nothing to measure, not even the baseline. All molds should sit on the strongbacks and spacing is set by the stringer notches.
by jacquesmm
Thu Jul 02, 2020 5:54 pm
Forum: Power Boats
Topic: Questions about building in general and the FS19 in particular.
Replies: 11
Views: 4873

Re: Questions about building in general and the FS19 in particular.

Thanks Capeman and all the others, you covered all the questions.
by jacquesmm
Thu Jul 02, 2020 3:08 pm
Forum: Questions before purchasing the plans and announcements..
Topic: Phantom 16/18
Replies: 39
Views: 11528

Re: Phantom 16/18

No major differences, top speed will be the same, maneuverability a little better with the 18.
More deck space on the 18. Most people go for the 18 but I had the PH16 prototype at my deck for 3 months and it was enough boat for me.
by jacquesmm
Thu Jul 02, 2020 12:56 pm
Forum: Questions before purchasing the plans and announcements..
Topic: Phantom 16/18
Replies: 39
Views: 11528

Re: Phantom 16/18

Fuzz is correct about plywood.
In this case, all the plywood is between layers of fiberglass, in and out. It is similar to a foam sandwich hull except that the core is plywood instead of foam.