Illustration of driveshaft vibration

[Dodgy Geezer 1Participant @dodgygeezer1]

explanation of vibration modes in off-centre driveshafts

[Dodgy Geezer 1Participant @dodgygeezer1]

This video provides a bit of an explanation as to why vibration can occur on the jointed driveshafts that we sometimes use:

https://www.youtube.com/watch?v=5aCK4Bob6a0

[Robin BodgerParticipant @robinbodger80379]

This is why you use a c.v joint over a u.v joint in drive shafts. Does anyone produce scale size c.v joints? Maybe I will start making them.

[Dodgy Geezer 1Participant @dodgygeezer1]

You can get Double Cardans, which are CV, but use quite a lot of space….

[Malcolm FraryParticipant @malcolmfrary95515]

http://www.shgmodels.com/acatalog/ – the marine couplings at the op of page 20?

[Steve Walker 1Participant @stevewalker1]

Very interesting, DG. Not so much for my small fleet of your balsa models, but for the power takeoff on my MF35.

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