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shaft coupling help needed

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HS93:
 I got some of these recently from germany they post quick and take pay pal they are only about 25/28mm long I will mesure if you are interested they come 5mm but will go out to 8mm they have a pin drive in to the rubber on bothe sides so 4 pins in all they seem very sturdy. http://www.jet-drive.de/index.php?page=shop.product_details&flypage=shop.flypage&product_id=235&category_id=83&manufacturer_id=0&option=com_virtuemart&Itemid=17

also http://www.prop-shop.co.uk/index.php?id=26&section=store&sub_section=products&product_type=26   bit expensive but strong
there are two types all s/steel I think

http://www.prop-shop.co.uk/index.php?id=26&section=services&sub_section=products&product_type=26

Peter

Steamer5:
 Hi Picclock,
 Bit late but you know what they say...better that then never.
I modified a 3/8 flexible coupling from a socket set as a coupling between the motor & gearbox on my electric tram. A full noise the motor does 5000 rpm. This was the MK 3 version. The first 2 had little / no flexible movement or any up / down movement. The current version has been on the go now for several year & quite a few kilometers.
I have since found that you can get the flex coupling with a 3/8 drive one end & the socket of your choice at the other. never checked but you maybe able to get 1/4 drive version

Cheers Kerrin

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