Search found 169 matches

by TW28RJ
Sun Apr 18, 2010 10:54 am
Forum: Builder's Power Boats
Topic: "BERKIM" - TW28 is splashed!!!
Replies: 143
Views: 21058

Re: "BERKIM" - TW28 is splashed!!!

I would agree with the higher reduction gear and a trawler swinging a big prop.. however, limited to an 18" prop (and that's what I'm limited to) the math works out 18x13 with 2:1 reduction (thats for an efficent prop), you could go to an 18 x 17 with a 2:5 reduction, but that would be difficult in ...
by TW28RJ
Sat Apr 17, 2010 6:52 pm
Forum: Builder's Power Boats
Topic: "BERKIM" - TW28 is splashed!!!
Replies: 143
Views: 21058

Re: "BERKIM" - TW28 is splashed!!!

It's looking really good and all of us TW28 builders in the wings very much appreciate all of the information you have to graciously been posting. It's a reall help. The diesel sounds great and I like the idea of the 21" prop. I missed that during the buld some how. I managed to get an 18" to work o...
by TW28RJ
Wed Apr 14, 2010 5:17 pm
Forum: Builder's Power Boats
Topic: "BERKIM" - TW28 is splashed!!!
Replies: 143
Views: 21058

Re: "BERKIM" - TW28 is splashed!!!

Yes I understood that, more curious as to where you have to place it to get it sitting level (not on its lines)level. I ask this as my build will have less amenities and will need a lot of ballast. I believe as designed without any modifications it will need a fair amount of ballast forward of its c...
by TW28RJ
Tue Apr 13, 2010 8:35 pm
Forum: Builder's Power Boats
Topic: "BERKIM" - TW28 is splashed!!!
Replies: 143
Views: 21058

Re: "BERKIM" - TW28 is splashed!!!

It's looking good! When you get it trim, could let me know how much ballast you added to get it trim and where you had to put it. Not how much to get it sitting on it's lines, but just to get it sitting level. I'm curious about this and wondering why that is, both yours and yarvaz's sat this way. Do...
by TW28RJ
Sat Apr 10, 2010 6:03 pm
Forum: Builder's Power Boats
Topic: tw28 message for Knottybuoyz
Replies: 1
Views: 485

tw28 message for Knottybuoyz

Hey Knottybuoys,

Send me an email, I have something that may intersted you johnsonr "at" bu.edu

rj
by TW28RJ
Mon Apr 05, 2010 7:33 pm
Forum: Power Boats
Topic: tw28 precutkit
Replies: 37
Views: 2909

Re: tw28 precutkit

Ishmael,

At the very worst case, you have a pattern for cutting a new panel. My guess is that Jacques will tell you it doesn't matter what side th kurfs are on. RJ
by TW28RJ
Fri Mar 19, 2010 7:38 am
Forum: Anything else and for sale. . .
Topic: Maine Boat Show
Replies: 46
Views: 3914

Re: Maine Boat Show

If I do go it won't be until sunday-
by TW28RJ
Mon Feb 22, 2010 3:58 pm
Forum: Power Boats
Topic: Thru Hull Questions
Replies: 61
Views: 4178

Re: Thru Hull Questions

iIm thinking for you three guys it probably needs to be based on how many teeth you have.. more then two (in front) you can post, less forget it. Then again (for you three) we could base it on how many appliances you have out on the front porch! More than 5 you can post.. This is a forum about boat ...
by TW28RJ
Sun Feb 21, 2010 4:57 pm
Forum: Power Boats
Topic: Thru Hull Questions
Replies: 61
Views: 4178

Re: Thru Hull Questions

Proprietary blend of polymers = long chain polymer "Comon guys"..and here is homework assignment, read up on crevis corrosion and ss, monel too. For the gentleman that can't tell the difference between 304 and 316.. You need help. And you imply to the people that dont know that there isn't a differe...
by TW28RJ
Sat Feb 20, 2010 10:23 am
Forum: Power Boats
Topic: Thru Hull Questions
Replies: 61
Views: 4178

Re: Thru Hull Questions

Long chain polymers like polyproplyne break down over time and become fragil. It has to do with the complexity of the molecule, your not going to read on the marelon website. Sort chain poylmers like polyethylene are less likely to break down.. is marelon a long or a short chain polymer? I personly ...