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by jacquesmm
Sat Aug 13, 2022 2:54 pm
Forum: Sail Boats
Topic: VG23 Questions : Jacques
Replies: 11
Views: 370

Re: VG23 Questions : Jacques

I am not sure what you will gain by extending the cabin -v- sail plan issues and loss of cockpit area . If you want a little more room then bite the bullet and scale up all ways say 5% or length only 10% and keep the designed sail plane while providing more space in both the cabin and cockpit . 10%...
by jacquesmm
Fri Aug 12, 2022 10:28 am
Forum: Power Boats
Topic: CS23
Replies: 3
Views: 71

Re: CS23

I have no idea what sleepers are. This is a very weird email. Many CS23 were built from those plans, see the pictures.
by jacquesmm
Wed Aug 10, 2022 2:42 pm
Forum: Power Boats
Topic: My cx 25
Replies: 356
Views: 37447

Re: My cx 25

do you think my boat is too heavy? I have to do the certification for floating and heel for 8 people and too much 8 persons is a lot on a 25' boat. There is barely enough room to stand in the cockpit for 8. Is that 8 a figure you choose or some rule? The CX25 is not different from most production b...
by jacquesmm
Wed Aug 10, 2022 1:02 pm
Forum: Power Boats
Topic: My cx 25
Replies: 356
Views: 37447

Re: My cx 25

Capacity can be calculated according through a formula like the ABYC, US Coast Guard or EEC certification or using displacement figures, common sense and reports from builders. The DWL (Designed Water Line) is at 5000 lbs (2,200 liters). That puts the cockpit sole about 3" above the DWL. That w...
by jacquesmm
Wed Aug 10, 2022 12:30 pm
Forum: Sail Boats
Topic: VG23 Questions : Jacques
Replies: 11
Views: 370

Re: VG23 Questions : Jacques

If I understand well, you want to build some kind of cabin roof extension over the cockpit benches. You will loose some sitting room in the cockpit and not gain much inside but it is feasible. I don't see any structural problems as long as you leave a ring frame where the cockpit frame is. We need a...
by jacquesmm
Wed Aug 03, 2022 1:45 pm
Forum: Sail Boats
Topic: VG23 Questions : Jacques
Replies: 11
Views: 370

Re: VG23 Questions : Jacques

*Question 1* Interior space. That can be done as long as you do not move or remove a frame. It would give you a very small cokpit and with two people in the cockpit, far aft, the balance would not be as good. I prefer to keep the weight of people forward. It's a small boat, sensitive to the weight ...
by jacquesmm
Tue Aug 02, 2022 6:26 pm
Forum: Power Boats
Topic: LB26
Replies: 466
Views: 25285

Re: LB26

I agree, it looks great and thanks for posting all those pictures.
by jacquesmm
Thu Jul 28, 2022 10:36 am
Forum: Power Boats
Topic: LB26
Replies: 466
Views: 25285

Re: LB26

Tanks drawings are included in the plans but they are a suggestion: you can make your tanks larger, smaller, move them a little bit to another place. My drawings show fill, pick up and vents but again, you can change that. Plan for those inspection plates. Instead of inspection plates, some builders...
by jacquesmm
Thu Jul 28, 2022 10:31 am
Forum: Power Boats
Topic: TW28 Questions
Replies: 5
Views: 149

Re: TW28 Questions

It is possible and Fallguy describes the correct method: plank the foam on a male jig. This does not require any changes to the lines drawing. My plans give the dimensions inside of the hull skin, it's very easy. Please see my "Foam Sandwich 101" HowTo file in the tutorials section. It sho...
by jacquesmm
Tue Jul 26, 2022 11:55 am
Forum: Builder's Small Boats
Topic: SK14 build PittPlanB
Replies: 10
Views: 463

Re: SK14 build PittPlanB

It will be fine in an SK14. I would worry if it was a bigger boat like a CS25 but this a light hull and my specs are over kill. For the fillets, the type of filler is not very important. Normally, we use a putty made from a mix of the two that is why you see the dark color. In most of my designs, th...