Browning Automatic Transmission?
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Browning Automatic Transmission?
I'm not into mountain bikes, but I've seen these mentioned in older magazines from the 1980s. Anyone have any experience with them? Do they work? Reliably?
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Interesting, here's a link for a short description: Browning Smartshift equipped bike at Classic Cycle | Classic Cycle Bainbridge Island Kitsap County (classiccycleus.com)
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WTB: Slingshot bicycle promotional documents (catalog, pamphlets, etc).
WTB: American Cycling May - Aug, Oct, Dec 1966.
WTB: Bicycle Guide issues 1984 (any); Jun 1987; Jul, Nov/Dec 1992; Apr 1994; 1996 -1998 (any)
WTB: Bike World issue Jun 1974.
WTB: Slingshot bicycle promotional documents (catalog, pamphlets, etc).
WTB: American Cycling May - Aug, Oct, Dec 1966.
WTB: Bicycle Guide issues 1984 (any); Jun 1987; Jul, Nov/Dec 1992; Apr 1994; 1996 -1998 (any)
WTB: Bike World issue Jun 1974.
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From SpeedofLite 's thread- Paul worked for Suntour USA at the time. RIP
Sorry, a little late to reply here. The BEAST was indeed, very much like WTB GreaseGuard and the Pedersen SE canti brakes, an attempt to one-up Shimano with cool new technology while also recapturing some cachet/coolness for Suntour products. There was as I recall a fair amount of initially very positive buzz around the BEAST, and we had a strong number of preorders from both OEM, for their high-end models, and from custom builders.
But BEAST, also like WTB GG, was significantly more complicated to manufacture at a production scale than Suntour imagined. And just like WTB GG, Suntour committed to pricing, purchase order quantities and licensing fees before they had any idea how many they could actually make, how quickly they could make them, and how much production would actually cost per unit. Not a strong recipe for success.
The BEAST mfr sticking point, IIRC, was the hinged shifting gates requiring a mfr/fit precision the Taiwanese subcontracting factory was unable to reliably attain. There was very little +/- tolerance wiggle room between acceptable and non-functional. There were also issues with functional test units not performing as intended in the field, maybe sand at Moab wasn't an issue but mud at Mammoth Lake was? But that kinda didn't matter so much because very few production units were actually produced, shipped and built into bicycles. Almost all the OEM/builders cancelled their orders because of production delays, not because of market feedback. Which was somewhat of a blessing for Suntour, since costs has increased so much the BEAST initial price was significantly below actual cost. Fulfilling just the initial orders would have entailed a significant loss.
It was yet another fine mess.
There was very cool potential there, though. The Brownings were looking at combining the front BEAST with a similar rear cluster, and incorporating an electronic shifter control, allowing dual/mulitple/simultaneous front/rear shifting to run through the gear progression. And that wasn't enough for them, so they were also thinking about the possibility of developing a small programmable electronic device that could autoshift front/rear mechs.
But BEAST, also like WTB GG, was significantly more complicated to manufacture at a production scale than Suntour imagined. And just like WTB GG, Suntour committed to pricing, purchase order quantities and licensing fees before they had any idea how many they could actually make, how quickly they could make them, and how much production would actually cost per unit. Not a strong recipe for success.
The BEAST mfr sticking point, IIRC, was the hinged shifting gates requiring a mfr/fit precision the Taiwanese subcontracting factory was unable to reliably attain. There was very little +/- tolerance wiggle room between acceptable and non-functional. There were also issues with functional test units not performing as intended in the field, maybe sand at Moab wasn't an issue but mud at Mammoth Lake was? But that kinda didn't matter so much because very few production units were actually produced, shipped and built into bicycles. Almost all the OEM/builders cancelled their orders because of production delays, not because of market feedback. Which was somewhat of a blessing for Suntour, since costs has increased so much the BEAST initial price was significantly below actual cost. Fulfilling just the initial orders would have entailed a significant loss.
It was yet another fine mess.
There was very cool potential there, though. The Brownings were looking at combining the front BEAST with a similar rear cluster, and incorporating an electronic shifter control, allowing dual/mulitple/simultaneous front/rear shifting to run through the gear progression. And that wasn't enough for them, so they were also thinking about the possibility of developing a small programmable electronic device that could autoshift front/rear mechs.
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I have had experience with three or four automatic transmissions. I would not pay five cents for any of them. Simply put, in my opinion, they do sort of work but are dangerous, sometimes shifting when you least expect it. That can cause one, meaning the rider, to land on the top tube and experience pain and possible physical damage. I know - I have been there.
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If anyone is interested in an exhaustive explanation of this product by one of the designers, I have scanned this article from Bike Tech, written by one of the designers, Angel Rodriquez.
This is from my mountain bike archive blog.
This is from my mountain bike archive blog.