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I have a sailplane with a Hacker B20 18L motor with a 4:1 gear box. I managed to bend the prop shaft today.

I am looking for information on replacing the shaft or gearbox.

I have not been able to locate a supplier on the web that could provide the gearbox or shaft.

Any help would be appreciated.

Thanks in advance.

Hi,
I have never seen just the parts for the gearbox, but NeuMotors many have the box.

Looking for the Maxon P16

http://neumotors.com/NeuMotors/Gear_Drives.html

Have you tried the USA Hacker Motor distributor in Kansas? I purchased several motor shafts from them recently. The website is https://hackermotorusa.com/ If your browser is like mine, it may give a security certificate error message when you try to open the tab. Should that make you nervous, use their telephone number, (913) 214-6995.
　
Allan

YOu can contact Hacker directly:
http://www.hacker-motor-shop.com/e-v...&t=3&c=21&p=21
at the bottom of the page -> "Contact"

/Bernd

Thanks I'll likely get around to this next month