Got a problem with Spinza where the blade is no longer able to spin up.

At first I thought the problem lay in the fact that because the Ti is so bendy in some position it was putting additional strain on the timing belt. After faffing around for a few hours adjusting the tightness of the belt for a few hours I found this made little difference.

I've re-assembled, greased and oiled the blade assembly and it now spins free-er than ever but still refuses to spin up. In a check we started the blade spinning with a long piece of wood (chocks away!) and it was perfectly able to then spin up.

It's like the motor has lost all of it's torque, so before I start swapping bits out and spending money just thought I'd get other opinions?

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The pulley on the motor shaft also came loose before I could do much testing, and I managed to get oil on the main pulley so had some issues with belt slip!