Motorcycle Illustrated by Unknown

Author:Unknown
Language: eng
Format: epub, pdf
Publisher: Motorcycle Publishing Co.
Published: 1917-03-25T05:00:00+00:00

Tb« Sourca of ParamauBt Powar

This accuracy in construction, together with its proportioned details of parts, allows the motor to deliver approximately four and one-half to five h. p. - between 3,000 to 4,000 r. p. m. with ease.

The cam shaft is a newly patented feature, absolutely noiseless. The simplicity of this part of the power platit can readily be seen, when the large multiple disc clutch, containing 10 five-inch discs, is a unit of the six to one ratio on the outside end of the cam shaft, and three cams each operate the inlet and exhaust valves in opposite directions successively. This does away with all gearing, the only two gears in the entire machine being the driving gear, which is mounted on a very large double row annular ball bearing. The chrome nickel steel pinion on the crank shaft, which is spiral cut, performs the opening and closing of valves as well as the dtity of driving.

The unusually large frictioiul surface

August 16, 1917 Motorcycle and Bicyojs UxusmuTBD

I af ths Parainownt Liihtwaiglit; Not* Efficient Chaingiuird, Low ladillB PasitioD and SturdineM of Conitructioo Tkrougbout

Tho Parkmounl Front Fork Spring

Mnd*i VUw Shows tfaa HoatinK Room

In tho Automatic Mackinarj Dapartmant

View of the Stock Room

Aulomatic Department from Anotkor Anglo

contained in the clutch by the number of discs and area was adopted to give this part of the mechanism extremely long life and to make starling of the machine an easier operation, with the absolute absence of gripping. Another feature is the absolute!; fool-proof ignition, which is again applied with the entire absence of gears, being that part of the ily-wheel itself and a hi^ tension magneto, which will deliver the spark at the proper time and just as hot. at a low or high number of revolutions per minute. This is another patented feature and discloses again simplicity and absence of unnecessary parts.

The carburetor is a by-pist type with low-speed adjustment and no springs what-

soever, consequently cince adjusted it will t

perform its duty equally well at all speeds, 1

without the possibility of getting out of [

adjustment. The inlet pipe, which is made \

of manganese bronze, will withstand any ! vibration and is made out of one solid

The frame is of the cradle or loop design.^ The front lower member is made of heavy' 16 inch seamless steel tubing, led into a drop-forged T from which it runs into the double motor cradle, thence clear back to the rear axle, being, however, supported again behind the rear cylinder by a drop forged rear T, securely fastened to the saddle bar plunger tube. Nothing but drop forgings are used in every piece that com-

prises the frame; this expresses strength, lightness and graceful appearance.

The front fork is not new, being the well known military type, eiclensively used abroad at present, and is designed lo absolutely eliminate shocks. It is adjustable and has of course a rebound attachment, which can be adjusted at the rider's wilL

The foot boards are adjustable to any angle, either hack or forward to suit the convenience of the rider.

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