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Hubless-wheel electrical penny farthing is a one-of-a-kind masterpiece

Hubless-wheel electrical penny farthing is a one-of-a-kind masterpiece

2023-12-16 11:24:03

Though their benefits over standard bicycles are debatable, hubless-wheel ebikes definitely look futuristic. Penny farthings, however, positively do not. It solely is sensible, then, that YouTuber Christopher Terpstra would mix the 2 in his one-off penn-E-farthing.

Terpstra lives simply outdoors Chicago, and has a level in Industrial Design from the Milwaukee Institute of Artwork and Design. He labored as a retail fixture design engineer for 15 years, and first got here to our consideration again in 2015 when he developed a four-wheel-steering electric off-road skateboard.

A few of his different tasks – featured on his Chris Makes Stuff YouTube channel – have included a six-wheeled backyard tractor, a plastic-tube electrical outboard motor, and a stretched chopper bike.

His newest creation, the penn-E-farthing, is principally a penny farthing bicycle with a hubless entrance wheel and a motorized rear wheel. It sports activities a customized tubular metal body, a customized laminated maple/oak plywood entrance wheel, plus a 350-watt motor, battery and rear wheel scavenged from a Razor MX350 Grime Rocket youngsters’s electrical motorcycle.

The penn-E-farthing's front wheel passes through three sets of rubber rollers – one set can clearly be seen at the left
The penn-E-farthing’s entrance wheel passes by three units of rubber rollers – one set can clearly be seen on the left

Christopher Terpstra

The 52-inch entrance wheel is unpowered, and is held in place by three units of frame-mounted rubber rollers which its rim passes by. Its stable rubber tire consists of cut-apart V-belts (sometimes looped by pulleys in mechanical methods) which have been glued and nailed to the rim.

“I knew that making the wheel in a layered ply development can be the strongest method, however I did not totally grasp the period of time it could take to do,” Terpstra instructed us. “Being an beginner woodworker with dated instruments and do-it-yourself jigs additionally added to the enjoyable. After designing it in CAD, I used to be semi-confident it could work, however you by no means actually know till you hop on and twist the throttle.”

Hop on and twist the throttle he did, although, and the penn-E-farthing labored simply as supposed. That stated, Chris does not plan on making any others prefer it for paying purchasers – it was simply one thing that he was drawn to construct.

The motor, battery and rear wheel came off a Razor MX350 Dirt Rocket motorbike
The motor, battery and rear wheel got here off a Razor MX350 Grime Rocket motorcycle

Christopher Terpstra

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“My inspiration for the bike is a mixture of Dr. Seuss creations in addition to the film Wild Wild West,” he stated. “In that film, the primary character Artemus Gordon is an inventor who created a steam-powered flying highwheel bike. I all the time thought that was cool and thought I might construct it. Though this one does not fly … but.”

The construct course of – and the primary shaky journey – are documented within the following video.

INSANE E-bike Penny Farthing – Hubless, Motorized, Excessive Wheel, electrical bicycle construct



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