So it has been a year since you have seen any progress on the lobster boat...unless you run in MA. If you dont remember or are new to the board, I was trying to test many concepts including using a suspension on a rigger, steering the sponsons on a rigger and using a ride pad with a prop to ensure it is always 1/2 in the water. Here is a picture of the first draft:
Here is the inside:
Do you remember the big issue? Yeah, it sunk. Not enough displacement.
So I changed it to electric to get the weight down and to be able to put more foam in it. I have a movie of it driving around the lake at 4 mph...no fun.
So back to the drawing board. I had a guy who had seen the first model and wants to build a cross between a snowmobile and a jetski because he has one of the supercharged sea-doos but cannot run it to its full potential because the waves on Winnepisaukee (sp) limit his speed. So that is the direction I took the model. I decided that I would try my hand at making a fiberglass plug and see what I can do. I have never worked with fiberglass to this extent so there were many "lessons learned" along the way.
So here is the sculpted foam:
Starting to cover the foam with bondo...(coat the foam with epoxy first)
So I have created the mold for the hull and still need to finish the deck and then the "seat". Here is the first hull I have ever made. I still need to trim the flange but overall it is not perfect but a decent first try. I just wish my fiberglass skills were as good as my design skills.
You may be wondering about the sponsons. I have designed the A-Arms and need to have them machined. I will be using a hoffman enclosure type radio box between the mounting points of the A-arms. Here is a CAD model of the internals. The design of the A-arm mounting is a little different now.