Bit of a different take on mobile knife sharpening...

B

Bndst

Joined
Dec 26, 2011
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Pretty cool IMO. And apparently it was commissioned by a professional sharpener...the water bottle really ties it all together for me haha.

"L’Arrotino (Italian for “knife grinder”, shown at top of post) was a bike commissioned by a commercial knife sharpener. It is based on a Roman example that has been in use since the 40’s, but with functional and mechanical upgrades to both the grinder and bicycle aspects, including the ability to fully maintain and service all of the parts. It was a highly challenging and equally rewarding build, and unlike anything else I have done." via BikeRumor

winter-bicycles-eric-estlund-knife-sharpener.jpg
 
Functional, mechanical, art. The axle hinged stand with securing latch is a nice touch.

I can see myself peddling about town on that beauty, barking; "new edges for old, new edges for old"

Thanks for sharing!
 
Unbelievably cool. Thanks for sharing. Winter Cycles makes great bikes, but this is the coolest custom I've seen by any maker ever IMO.
 
I saw an old moped with a set up run off a belt going to the rear wheel in Spain a few years ago. Car was moving too fast to get a picture.
 
Nice job ! I still remember the travelling knife sharpener when I was a kid in Brooklyn.He used a small truck ,nothing fancy.
 
Thats alot more mobile than this one!!:thumbup:
 

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As an avid, some might say looney, mountain biker and all around bike nut, I am truly digging this! I am considering using a 9 speed rear hub as a part of my belt grinder build but am not quite sure yet, how to do it? The idea of using a shifter and derailleur to change belt speeds really intrigues me! Any other mountain biker folks out there?
 
I mountain bike and I was thinking about how a derailleur and shifter would make removing the chain easier and give the grinder different speeds depending on how dull the knife was.
 
A "Fixie" rear hub would work since you don't need the freehub aspect of the rear hub. Plus, the hub itself could be used as a belt wheel!
 
I'm a bike mechanic so I think it would very cool to integrate bike parts into some sort of grinder...the idea definitely has the cogs (no pun) turning in my head as I begin building up my garage-knife shop...

Using an internally multi-geared, fixed-wheel hub (such as the old Sturmey AS3-X) would be pretty spot on for this appilication. Using anything with a freehub would result in the freehub doing it's job and freewheel-ing (coasting) when any pressure (like say grinding a blade) is put on the grinding wheel.

Damn...I'm gonna be thinking about this for a while now : )
 
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