Well I tied a mock up vacuum bagging last night. Disaster! I knew that I'd have to take it easy on the vacuum, but I didn't realize that my vacuum pump...
You can adjust the vac. by placing a T ith a valve into the line before the guage. The valve is an induced leak. You should be able to have almost zero vac....
Thanks! That might work for me, but I have a Frankenstein unit. It's a vacuum "generator" that runs off my air compressor. With the combination of a...
Another round last night. Cut a bunch of wood slats to transfer the load onto the ribs. Worked really good to keep the ply from bowing ... but it's a far...
... I get it, you are not vacuum bagging in the traditional sense, you are just trying to apply pressure so the plywood skins are in contact with the ribs. I...
I have been researching the ST-49 plans and have what is probably a dumb question, but I don't trust the answer I came up with on my own! Are the dimensions of...
The mainwing section is very close to the ST mainwing section shape. It would probably perform about the same. The WD 40 is a a smaller wing. If you scaled the...
Here's why I was confused in the first place. The only file showing wing and flap cross sections with dimensions that I could find in the ST-49 Folder is the...
I'm working on the second ST now. I have the wing built. I'm glued on the bottom skin of the fuselage yesterday. I made this boat about an 1.5'' wider than the...
Yes, our hulls will be bigger too, but will do some cardboard mock-ups first. I new this from the get-go just looking at your foot clearance. Conrad's and my...
Boat and plank are done, will paint the boat this week and get the controls back in and then I can clear the space for the wing. My time in the shop is limited...
I have four HYPO boats with flat top sails...Hobie Cat has an interesting article about the flat top sail..Matter of fact they have designed a flat top sail...
John, Any tricks of the trade in cutting the slots? My band saw blade is going to be too narrow, and cutting two cuts side-by-side could be a problem because...
I cut them with a band saw with a slight vee so the index gets tighter the further it goes in. You can staighten them up with a narrow file if need be. ...
Yes I round over the edges so I can go into the slot easier. In the near future I'm starting to build a new ST for a fellow dirtboater. Looks like the ST will...
I went to Albuquerque last weekend to Pick up a Class 3 Land sailer, with the New Owner Jerry, If anyone has some history of this boat please let us know. It...
Do you have any pictures of it? Frank Marsh M & W Engineering, Inc. 3880 Dividend Drive Suite 100 Shingle Springs, Ca. 95682 530.676.7185 Fax 530.676.7188 ...
John. I just spoke to Jerry. the owner, he will get to the group pages soon. As for the "Machine" it looks good. I gave him some Fibergalss to re Glass the...
Frank I just joined the Group and set up a photo album named "The Bomb". I posted some pics in it of The Bomb in my backyard. I picked her up from Tom in...
John I'm the new and very proud owner of your creation. You did a fine job building The Bomb. She looks structurally solid and pleasing to the eye. I have...
This Wingboats Group, based on the group's description, is focused on wingboats. Can any of you recommend some other good and active Yahoo Groups that are...
http://www.wired.com/gadgetlab/2009/06/dont-blink-400mph-rc-gliders-tear-thr ough-the-air/ Of course they don't have to deal with friction of runners or...
As I recall I think I got 2nd place a few times in class 3 regattas with it. Its a nice boat for light airs. Its got a big platform for stronger air as well....
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