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Hey bistory, I've designed the 3dPowerTurbine in such a way that it can be used with many different NEMA size generators and blade combinations. The baseline will use a 500mm rotor with a NEMA 17, after which I will work on the 1000mm rotor with a NEMA 23 with very few change in components. I'm waiting on my NEMA 17's to turn up to do the final power curves everything else is done. I wouldn't want to say the final design and peak power without first testing it to ensure all my calculations are correct.

I've limited the non-printed parts to the absolute minimum to reduce costs, so things like the tower bearings are now printed taper roller bearings! took a considerable effort to design and print but It works really well and saves a lot of money.

I've done some research into the VG's but haven't taken it any further at the moment as I wanted to work on the things that reduce costs as thats the main thing users have consistently complained about but I shall get round it to :).

Cheers Dan