Search found 57 matches

by obd
Mon Mar 19, 2018 2:27 pm
Forum: Power Boats
Topic: spiling question
Replies: 6
Views: 2220

Re: spiling question

That's perfect. Thanks Bryan and thanks for the picture. That shows the set-up well. btw - I have been enjoying your build. Nice work.
Bob
by obd
Sun Mar 18, 2018 5:03 pm
Forum: Power Boats
Topic: spiling question
Replies: 6
Views: 2220

spiling question

I have studied the forum and have decided to use the trim router approach to spile the veneer on my Malahini. I think I have a handle on the technique thanks to the excellent descriptions given by other builders. My questions are basic and due to my lack of experience/knowledge with routers. How do ...
by obd
Wed Mar 14, 2018 3:10 pm
Forum: Power Boats
Topic: Malahini veneer
Replies: 3
Views: 1491

Malahini veneer

I am planning to use 1/8 inch sapele veneer on the sides and 1/4 inch on the deck and transom. Does anyone know approximate square footage, including adjustment for waste, required?
by obd
Sun Mar 11, 2018 1:13 pm
Forum: Power Boats
Topic: Malahini Chine bending
Replies: 51
Views: 17617

Re: Malahini Chine bending

One other comment with lams. Other than maybe one screw to hold in place at the stem/chine blocking, I would only epoxy to frames until all laminations glued in place. Then you can go back and drive a single screw through all your layers and into each frame.
by obd
Sun Mar 11, 2018 10:28 am
Forum: Power Boats
Topic: Malahini Chine bending
Replies: 51
Views: 17617

Re: Malahini Chine bending

I went with triple laminations glued on one layer at a time. The sapele bent into position effortlessly. Just make sure your first lam follows a nice fair curve.
Bob
by obd
Sat Nov 04, 2017 7:29 am
Forum: Power Boats
Topic: modified malahini
Replies: 444
Views: 185100

Re: modified malahini

Thanks guys. Bryan, I have been following and admiring your build. So, just to make sure I understand this properly, I could use 3/8(or metric equivalent) plywood in the aft portion of the bottom and 1/4(or metric equivalent) plywood plus veneer, to make up the difference in thickness, on the forwar...
by obd
Thu Nov 02, 2017 8:57 pm
Forum: Power Boats
Topic: modified malahini
Replies: 444
Views: 185100

Re: modified malahini

Returning briefly to the water line discussion, can an okoume plywood bottom be stained to match the mahogany veneer side planking at the bow between the chine and the water line or will I need to veneer that portion of the bottom as well? I prefer not to bring the bottom paint all the way to the ch...
by obd
Thu Nov 02, 2017 7:57 pm
Forum: Power Boats
Topic: Geronimo's motorbox
Replies: 18
Views: 4282

Re: Geronimo's motorbox

Bob, I am building a Malahini but have been boating in a 18.5 ft Sea Ray bowrider with a 115 hp 4 stroke Mercury for 12 years. It has a 20 gallon tank. It depends on what kind of boating you are planning but 10 - 15 gallons of fuel has always met my needs, usually a full day of tubing, skiing, and c...
by obd
Thu Oct 12, 2017 4:44 pm
Forum: Power Boats
Topic: Malahini side planking question
Replies: 2
Views: 1249

Malahini side planking question

I have a big weekend planned. The framework is faired. Side panels have been rough cut, joined, and dry fitted. Stem to transition joint properly trimmed and fitted. Today I purchased a small can of extra slow hardener(West 209). All that is left is to glue and screw. I really don't want to screw th...
by obd
Tue Oct 03, 2017 6:03 am
Forum: Power Boats
Topic: malahini stem question
Replies: 4
Views: 1781

Re: malahini stem question

I am using 6mm(~1/4 inch) Okoume. It took the side transom curve well so I think it will clamp into place on the stem. Love the batten idea. Thanks for the info and advice PeterG!
by obd
Sun Oct 01, 2017 8:14 pm
Forum: Power Boats
Topic: malahini stem question
Replies: 4
Views: 1781

malahini stem question

I fabricated my stem according to the plans. The plans show a bit of concavity to the leading edge of the stem between the chine and the sheer. I didn't think much about this other than to notice it makes a nice visual line. However, now that I am dry fitting my side planking, the planking doesn't n...
by obd
Sun Jul 23, 2017 8:05 pm
Forum: Power Boats
Topic: Malahini sheer clamp blunder
Replies: 2
Views: 1030

Malahini sheer clamp blunder

I didn't glue or clamp sheer/transom frame junction while other while other sheer/frame junctions dried because I wasn't ready for transom frame to be permanently mounted yet. Therefore, the aft portion of sheer was not pulled in creating the proper bowing of the sheer line. Long story short, sheer ...
by obd
Sat Jul 22, 2017 3:51 pm
Forum: Power Boats
Topic: Building a Malahini
Replies: 4
Views: 1772

Re: Building a Malahini

See table saw jig on page 95 of Glen-L's book, "Boat Building With Plywood". This approach worked beautifully for me. Definitely attach transom frame to plywood before cutting bevel. I used steel screws initially and waited on the bronze and epoxy until later so I could still tweak transom frame not...
by obd
Sun May 14, 2017 9:16 pm
Forum: Power Boats
Topic: Malahini transom questions
Replies: 6
Views: 1698

Malahini transom questions

Is there any reason why the transom motor board cannot be made with lumber instead of plywood? I have a 10 inch wide sapele plank that I think will work and it would match the transom frame width so the knee would not require any additional shaving/fabrication. Also, what should the size of the tran...
by obd
Mon Oct 17, 2016 7:02 pm
Forum: Power Boats
Topic: Monroe Malahini
Replies: 82
Views: 32096

Re: Monroe Mahalini

If building up your sheers and/or chines in laminations, scarf joints not necessary and butt joints adequate as adjacent laminations serve as butt blocks. I am doing my chines in triple laminations. The individual laminations are very easy to handle and bend effortlessly with no steam or boiling wat...

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