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The electric trailer tongue jacks idea is interesting but I can foresee some issues unless you have some sort of closed loop system to sync each jack with each other. All the jacks would need to start the same distance from the ground or else the car would start jacking at the lowest jack first and the car wouldn’t lift straight up. The weight on each jack would need to be the same because the speed of the jack motor will very with load and the car wouldn’t lift straight up. So you would need to manually control each jack or make a closed loop system to ensure the car would lift straight up. I did a quick check of the price of trailer tongue jacks and a set of 4 would be around $700 which is not much lower than the jacks made for the job. These are my firs thoughts and there maybe other issues but interesting idea.

Bill Lomenick
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