Because we use fossil fuel and that requires heat to go bang and needs to be squeezed first to warm it up. If you used a charge to go off like the old powder sticks aircraft engines used it will work. in 10 years we will be so electric.
Trail and error is a deal for very rich people. When you do not know, you do not do it if you do not was to do it again. First, I have found that no one every wants to go slower. They have never ever called me back to ask me if I can make it go slower, its always pushing it to the extrem-er! I...