I run a Craftsman 24" 2 stage. It has a throttle and 4 forward/one Reverae. Throttle systems are different on each model/engine combination sold. The throttle plate in the carb is operated by a bent wire from a governor. The governor is usually internal (air vane, or inside the crankcase with fly weights) There is (with enginuity) almost always a way to get at the spring controlling the applied force. A fixed speed engine will have a fixed spring attachment. Making a bracket that allows a range of tension to be applied with a throttle cable will work. It would be easiest to find a real lawn mower/small engine shop with real people in charge to assist in retrofitting the control. Do not make it direct pull, it will have too much travel. They usually have a 4 to one leverage or so, that requires 4 times the control travel compared to the spring travel. Do not make the spring control such that the spring is stiffer, or stretched farther than the original. Jim
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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