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Road Test/Bike Review (1975) The Quadrupedal Bike

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Road Test/Bike Review (1975) The Quadrupedal Bike

Old 04-02-20, 01:08 PM
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Road Test/Bike Review (1975) The Quadrupedal Bike



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Old 04-02-20, 03:52 PM
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I was expecting a goofy looking two seater with 4 wheels.
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Old 04-02-20, 04:00 PM
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Originally Posted by Bianchigirll View Post
I was expecting a goofy looking two seater with 4 wheels.
So the article met 33% of your expectations?
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Old 04-02-20, 05:25 PM
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Hippies! those rascals!
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Old 04-02-20, 06:51 PM
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The magazine says it is the March issue, but I can't help but think that it's really the April 1st edition......

on the positive side, this new technology lets you get chain lube on your leg *and* your arm!!

Steve in Peoria
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Old 04-02-20, 09:15 PM
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It looks very similar to Fred Tatch's Manuped. He rode it and raced it in the 1970's Human Powered Speed Championships and was rattling around Portland's Human Power Challenge 5 years ago:


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Old 04-03-20, 07:36 AM
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Originally Posted by steelbikeguy View Post
The magazine says it is the March issue, but I can't help but think that it's really the April 1st edition......

on the positive side, this new technology lets you get chain lube on your leg *and* your arm!!

Steve in Peoria
...or the front of your shirt and crotch!

Actually this is really clever! When I was a child I used to day dream about how to make a two wheel drive bicycle. But of course never did anything to make it a reality. In many respects, John Carl Thomas achieved what I thought was impossible back in the early '70s. Kudos for him!
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Old 04-03-20, 09:30 PM
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Originally Posted by pastorbobnlnh View Post
...or the front of your shirt and crotch!

Actually this is really clever! When I was a child I used to day dream about how to make a two wheel drive bicycle. But of course never did anything to make it a reality. In many respects, John Carl Thomas achieved what I thought was impossible back in the early '70s. Kudos for him!
All you need to make a 2WD bicycle a reality is a credit card: https://christinibicycles.com/ . Think about it: twice the number of freewheels to overhaul! Heaven for Pastor Bob!
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Old 04-06-20, 12:32 PM
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Two wheel drive bicycle are nothing new. They date back to at least the mid-1890s but those early samples used arm power to supplement the legs. Attached are pictures of a Bricknell auxilliary hand drive fitted to a Dursely-Pedersen. . The handlebars are pivoted at the centre, so that the grips can be pumped up and down. This moves a driving rod attached to handlebar at the top. The bottom end is attached eccentrically to a crown gear beside the hub. The crown gear engages a pinion gear, on the hub, Presumibly, the pinion gear has a freewheel mechanism, so the that the drive system can be activated, as required.

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Old 08-22-20, 04:13 PM
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Amazing picture of that Dursley-Pedersen. I love my Pedersen with its 48 spoke phil wood hubs and rims! Smoothest most comfortable bicycle I own! Can't imagine racing it though!
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Old 08-22-20, 04:14 PM
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The recumbent pictures remind me of my Vision USS SWB roadster. That is becoming Vintage now.... I have kids yell at me, "What is that thing?!"
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Old 08-22-20, 09:10 PM
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Originally Posted by Pedersen View Post
The recumbent pictures remind me of my Vision USS SWB roadster. That is becoming Vintage now.... I have kids yell at me, "What is that thing?!"
I've been around the recumbent world since the early '80's. I watched Vision start up, grow up, then fade away.
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Old 08-23-20, 04:24 PM
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The wrench at my childhood Schwinn Bicycle Shop got one of the first Vision SWB recumbents...and he let me ride it...guardedly. It was one of those surreal everlasting experiences I have yet to forget....I was floating about the ground pedaling in mid air. That was around 1984 (?). It took me maybe 16 or so years later for me to get one....found it in the store rafters of an REI in Anchorage Alaska....used... Regrettably, I sold it when we moved overseas to a businessman who didn't really know what a recumbent was and was lonely and bored....
BUT when we moved back stateside about three years ago....I found another!!! And ride it just about every day!

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