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I build and sell motors and boats powered by gas. That being said, we are talking about an apples and oranges kind of thing. Still, my observation is that it is difficult to get into a working rig for $2.000. If upon a good inspection it turns out to be in good condition, - a working rig, then...

Ed: I fit my bushings with a .004-5 interference fit with the bushing houseing. I put a greese zert in the middle of the bushing for grease. I don't think that a set screw is necessary. In the past I have squeased the bushings in with a piece of all thread that was longer than the drive...

Ed L. Enjoy your new Lowe boat. For a production boat it has earned a reputation as being one of the best commercially available hulls. As far as it being riveted, it is mostly a non issue. I have 4 boats. one of them is a riveted 14x 36 jon with wood in the transom. it has been around...

The purpose of the 90 weight against the grease in the bushing is to supply something to fill the void of if and when your grease evaporates. It escapes the seals as a gass and draws water back in unless that void is immediately filled as the gaseous grease goes out. This is why you also need...

I guess that there are welders and then there are welders. In my market area there are probably several hundred people who can do a fair job of welding steel. I know only a handful who can weld aluminum in the circumstances that you describe. My welder could in a heart beat. The hardest part...

My project is often the victim of a list of hony do's. I have every thing in hand but the large aluminum J belt aluminum micro groove driven pully. I have a steel one for trying now as that was available commercially. I am haveing an aluminum one cut currently from some one who can make them...

Sintered bronz are designed to run on 30 weight oil and will not take as much pressure as greased or gear oil in cast bronz. Lubricant heavier than 30 weight oil clogs up sintered bearings, makeing them like cast bronz without the pressure bearing capacity. Mark

Gentlemen: Yes you can get 1" x .125 wall dom aluminum tubing. All kinds of wall thicknesses are available. I grease my cast bronz bushings with synthetic grease and fill the voids in the tubing with synthetic 90 weight. Pump it in the bottom untill it comes out the top and leave an...

Gentlemen the comradary of this post is cause for simple envy from my place to yours. Mark

Eric, You need to make friends with a local friendly machinist - someone that only owns a lathe or a mill. Good affordable lath and mill work is available. You have to do all of the thinking and procureing and blanking out so that all you are asking for is a a lathe cut or a mill cut. It is...

Sir, if you find that the crown needs a little help I have been successful by adding a little masking tape in the center. I have worn out several Rockwells of that desogn. I finally got fed up with the split pully thing and made new single piece pullys out of 3/8 walled tubing that I put...

I have great confidence in a Yamaha. I have delt with Cabelas both as a consumer ond as a vender to them They are not stupid.I am inclined to thinkthat their packageing is based on the maximum bang for the buck that will make the customer happy. I have a brother who is always telling me I...

you could bolt a couple of fender washers over each hole for temperary. Welding at my welder's shop wouldn't be expensive. You just have to get the boat there. That is the worst part. Mark

I use a J mIcro grove belt and pully system. I am initialy going with 3/1 reduction. I extend my sympathy to any one who walks along beside a spinning propeller under any circumstances. I considered spur gears initially and finally rejected them based on the screaming noice...

I have gone down to my arm pit while wearing waders. I had on a wool sweater under the outer coat. The waders were 4 mill neoprean. I steped in an old silted in pit. I was retreiving a downed bird and my son was hollaring at me to hurry because I was scaring of the decoying in ducks. It is...

Thank you for the great photos. Shareing these kind of things is one of life's sweet pleasures. Mark

Mini-mud motors. In responce to Ray in alaska - here at Utah Marsh Motors, Yes, we have been working on getting a mini motor together for almost a year now. Murphy's law has interfered several times. Each step seamed to take forever. The Cad and Laser burning work seamed to be the worst...