Joined: Jul 2007
Posts: 1,519
Likes: 2
From: Hauraki Plains District, New Zealand
Bikes: Retro Hercules adult tricycle, 1953 Hercules ladies roadster, 1950s Wearwell fixed gear 'Club' pathracer, 1980s Malvern Star 'Super Star', 1980s Healing GTX-105 Arabesque, 1980's Morrison Concorde & etc & etc.......
Originally Posted by
wahoonc
Sianlle,
What was the issue with the coaster brake 3 speed hub? I have been admiring your trike and scheming along those lines. Also do you thing a wider (2.125") wheel would work on the conversion? Also does the electric motor drive just the one wheel or does is drive thru the hub? I have seen them set up both ways.
Aaron
The 3 speed coaster was fine and it did work Ok, but once I added the electrics into the mix I started to feel a little 'over-levered' up at the handlebars. For me and the way I use my tricycle around town the Sachs 'Duomatic' is just fine
I think the wider wheels would be completely Ok for this type of conversion. When I was setting things up with the basic tricyle conversion, but without the electrics, I borrowed a pair of 2.125" road tyres and wheels off one of my other bikes to see how they would go and they were good as gold.
The electric motor hub drives just the RHS wheel and the pedals drive the LHS. The hub motor wheel is fitted with a 1.75" tyre and for the moment the LHS wheel is running an 1"&3/8 rim and tyre. The difference in the two rear tyres isn't noticeable while riding on the road.
When I get time I'll build a spare Sachs hub into the same sized rim as the hub motor wheel; - if nothing else it's an excuse to practice my wheel building skills.
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