did simon say if grinding the rotor bar end connections off would make the stator a better inductor with a reasonable air gap?
re: programming, javascript for gui stuff these days. If someone is running a 10 year old browser, sorry. things don't work like that anymore I'm afraid. small java backend to connect via bluetooth from your android to the controller, or from your win/mac/linux pc. I couldn't care less what iphone users do, apple has been a complete sh!tlord in the portability department, but at least the javascript part should work there as well.