Try tower hobbies (dot com) for pusher and puller model airplane props up to perhaps 16" diameter. Selection might be limited in 3 blade designs....
I have a 25 degree deep vee as well- a somewhat uncommon 25 foot sea craft cuddy- called a Seafari. I looked into this for similar reasons....
My experience with making my own vinylester fairing compound is that fresh resin has a shelf life of 3 months. If I have fresh resin, I can have a...
If by aramid you mean kevlar, and the goal is adding bulk without mass, then the my opinion would be this: don't use kevlar. It is much more...
I didn't mean to offend. But the resources I found show that 5183 or 5556 are preferable to 5356 for retention of strength when welding 5083....
A few notes: You can extrude many alloys of aluminum. Some of it with the mechanical properties of cheese, some much better. So if there is a...
Vinylester is more properly called epoxy vinyl ester. The stuff I buy - F010-TBN-28- has mechanical properties equal to or superior to run of the...
You can try: http://www.boatsnmotors.com/ The owner is a chatty fellow, but I got a decent deal 3 years ago- haggling was ok. a little, and he...
Duratec makes a vinylester surfacing product for doing just this. I had good luck with it. I think I paid $100 a gallon. I haven't tried it...
I had pulled this comment earlier, but based on a suggestion,Ii will reinstate it, with a caveat. "So this software doesn't seem terribly useful....
I was just in the bilge of my 1971 cuddy. The most durable thing in there? Gel coat. I wouldn't paint with a 2 part polyurethane either, for the...
I suspect a few people missed out on the H80 core bit. Generally speaking, if the core is of significant thickness, and the skins on the core...
I used to program a sheet metal cutting laser. (at least for the one I used, they might be better now)The beam is hourglass shaped, typically with...
Vinylester is at least half epoxy. At least the hand layup stuff I buy is part Bisphenol A epoxy and has elongations similar to epoxy. Without the...
I just posted in your other thread. It seems I have this stuff:...