[python] Re: Trike News

Hello All,

Howard Stevens from Australia sent me some pictures of his newly built and greatly designed trike:


Siwmae Jurgen,

Thanks for the great pictures.

There's a point that I can't work out though. I've been intrigued for some time by a mysterious design-choice detail in your Python trike:

Looking at the picture with your daughter (?) modelling, it seems that the rear-axle-line is almost as far forward as her body centre-of-gravity, throwing almost all the load onto the rear wheels rather than the drive wheel. Yet this seems to be a deliberate design choice, by throwing the rear forks forward, rather than rearward.

Presumably it runs well anyway, since it seems to have been around for a while, and there are several pictures in the gallery of it out on tour. But how is drive-wheel traction on slopes, wet surfaces, gravelly surfaces, etc.? The Russian trike seems to have a similar throwing forward of the rear wheels, until they are almost level with the rider. And I seem to remember another similar case, which I can't just place now. Whereas Henk's and Gavin's trikes copy or -- in Gavin's case -- actually surpass the tendency of the bike's to throw the total COG of bike and rider more onto the front wheel than the rear. So, am I missing something here? Why that design-choice in trikes?

Season's greetings to you and all Pytbonauts. Personally, I'm hiding from it all as usual, in despair at the gross consumerisation of it all....... For those who know Charles Dicken's much loved 'A Christmas Carol', I can only say, with that miserable old skinflint Scrooge: "Bah! Humbug!"

RhG
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