That's because the tax payer is buying the fuel! The M1A1 tank holds just over 500 gallons of fuel and has a range of 300 miles. The big thing that makes it great from the tank is light weight. Tanks are heavy because of the armor. When they first started development of the M1 their target weight was 40-45 tons. Then the Brits came up with new armor and the target weight went out the window. Crew survivability became very important. Plus add in the desired ground speeds they wanted to achieve. About the only option at the time was the turbine. A tractor needs weight to get better traction. The next problem is heat. Exhaust gas temps on the turbine engine are such that if you park a modern car right behind a tank, goose the throttle up to about 2500 RPMS it will melt the plastic and bubble the paint on the front of the car. So the exhaust would have to go up, not down and the air flow requires a large exhaust. A tractor in the 40 or so HP range would have an exhaust the size of a dinner plate. The size in the tank would be about the size of a 200 gallon fuel tank on a truck.
The other problem with a turbine in a vehicle is there is no engine braking at all. Take your foot off the gas and you have to use the brakes to slow down even just a couple of miles an hour.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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