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Dewey Simms’ 1919 Indian Daytona “Huge Valve” Single

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Genuine paperwork present that filth observe racer Dewey Simms created this bike utilizing a mid-‘teenagers body and a 1919 Indian Daytona V-Twin engine. However he blocked off one cylinder so the bike may compete with different 30.50 machines, 500cc bikes. Within the images on the finish of this story you possibly can evaluate the engine on this racer to the usual V-Twin Daytona Racers within the Board Observe Racing show on the Museum.

Manufacturing facility competitors was fierce and costly on this pre-Class C period. So long as the machine was of the category displacement something could possibly be raced, hand constructed or serial manufacturing. Utilizing a state-of-the-art Daytona side-valve engine, Simms assembled a dropped manufacturing facility racing deal with bar, slender unsprung race forks, a ‘teenagers body and wheels and constructed a aggressive machine.

The total loop fashion body lowers the engine and rider for higher dealing with. Controls embrace spark advance and compression launch, each managed through the twist-grips, additionally a throttle and a kill change. Racing carburetor design made engines work greatest vast open. The rider needed to work the pump on the oil tank occasionally to ship a cost of lubricant to the primary bearings. As with this machine, racing machines of the period ran energy by means of a “jack-shaft” which allowed for some gear discount. Rider lodging had been minimal; the seat shouldn’t be sprung and fork and body are a inflexible design. No brakes had been allowed on filth and board observe bikes till the 1960’s by F.A.M. and later, AMA guidelines.

This storied Indian racer is on mortgage from Dave Ohrt of Iowa. It’s presently displayed as a part of the Early American Transportation INNOVATION exhibition that includes quite a few uncommon early bikes, bicycles and cycle vehicles plus the 1911 Steco bi-plane.

It will likely be amongst a whole lot of bikes and 1000’s of items of memorabilia supplied within the John Parham Property Assortment Mecum Public sale on the Nationwide Bike Museum, Anamosa, Iowa, September 6 – 9, 2023. Look ahead to data on the Mecum Auctions web site, Mecum.com For schedule data, to consign a automobile or to register as a bidder for this and all Mecum occasions, go to Mecum.com, or name (262) 275-5050 for extra data.

Specs:

    • Engine: Aspect Valve Single
    • Bore & Stroke: 3.30″ x 3.50″
    • Displacement: 30.5 Cubic Inches / 500 cc’s
    • Carburetor: Schebler
    • Ignition: Magneto
    • Horsepower: 12
    • Transmission: Direct Drive/Single Velocity
    • Closing Drive: Chain
    • Brakes: None
    • Entrance Suspension: Inflexible Fork
    • Rear Suspension: Inflexible
    • Wheels/Tires: 2.25″ x 28″ / 2.25″ x 28″
    • Beginning: Push Begin
    • Wheelbase: 54.5 Inches
    • Weight: 270 Kilos
    • Prime Velocity: 65mph
 
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