See also:

• TRICYCLE (from prefix tri, three, and Gr. 1cbaos, circle, wheel)

TRICYCLE (from prefix tri, three, and Gr. 1cbaos, circle, See also:

• WHEEL (0. Eng. hweol, hweohl, &c., cognate with Icel. hjol, Dan. hiul, the Indo-European root is seen in Sanskrit chakra, Gr. r in Aos, circle, whence " cycle ")
• WHEEL, BREAKING ON THE

wheel)  . The See also:

• TRICYCLE (from prefix tri, three, and Gr. 1cbaos, circle, wheel)

tricycle, as a See also:

• MACHINE
• MACHINE (through Fr. from Lat. form machina of Gr. µnxavil)

machine for See also:

• PLEASURE (through Fr. plaisir from Lat. placere, to please; Gr. rlbovii)

pleasure See also:

• RIDING

riding, has steadily diminished in relative importance since the See also:

• ADVENT (Lat. Adventus, sc. Redemptoris, " the coming of the Saviour ")

advent of the safety See also:

• BICYCLE (from prefix bi = twice, and Gr. KuKXOr, a circle, wheel)

bicycle (see See also:

• CYCLING

CYCLING) . In its See also:

• MODERN

modern See also:

• FORM (Lat. forma)

form it is a See also:

• CHAIN (through the O. Fr. citable, chcene, &c., from Lat. catena)

chain-driven See also:

• REAR

rear-See also:

• DRIVER, SAMUEL ROLLES (1846– )

driver . The See also:

• DRIVING (from " to drive," i.e. generally to propel, force along or in, a word common in various forms to the Teutonic languages)

driving See also:

• AXLE (in Mid. Eng. axel-tre, from O. Norweg. oxull-tre, cognate with the O. Eng. exe or eaxe, and connected with Sansk. dksha, Gr. a wv, and Lat. axis)

axle is provided with a See also:

• DIFFERENTIAL

differential See also:

• GEAR (connected with " garb," properly elegance, fashion, especially of dress, and with " gar," to cause to do, only found in Scottish and northern dialects; the root of the word is seen in the Old Tent. garwjan, to make ready)

gear, which allows of both wheels being driven whether the tricycle is moving in a straight or in a curved path . There are four rows of balls, two near the See also:

• MIDDLE

middle resisting the pull of the driving chain and two near the road wheels supporting the See also:

• VERTICAL (from Lat. vertex, highest point)

vertical load . Two types of driving axle are in use . In one the axle is supported from a parallel See also:

• FRAME

frame See also:

• TUBE (Lat. tuba)

tube by four See also:

• SHORT, FRANCIS JOB (1857– )

short brackets . In the other type, the See also:

• STARLEY, JAMES (1830-1881)

Starley-See also:

• ABINGDON

Abingdon axle, the frame tube is concentric with the axle, and the middle portion is enlarged to form a casing for the chain-See also:

• WHEEL (0. Eng. hweol, hweohl, &c., cognate with Icel. hjol, Dan. hiul, the Indo-European root is seen in Sanskrit chakra, Gr. r in Aos, circle, whence " cycle ")
• WHEEL, BREAKING ON THE

wheel, with two apertures for the chain to pass through . The other See also:

• MECHANICAL

mechanical details are nearly all similar to those on a bicycle . See also:

• CARRIER
• CARRIER, JEAN BAPTISTE (1956-1794)

Carrier tricycles, for tradesmen's delivery purposes, are made in two types, one with an extended wheel See also:

• BASE

base and the carrier behind the rider, the other with a single rear driving wheel, the two steering wheels and the carrier being mounted in front on a transverse tube or frame which is jointed to the rear frame at the steering See also:

• HEAD (in 0. Eng. heafad; the word is common to Teutonic languages; cf. Dutch hoofd, Ger. Haupt, generally taken to be in origin connected with Lat. caput, Gr. KerbOvi7)
• HEAD, SIR EDMUND WALKER, BART
• HEAD, SIR FRANCIS BOND, BART

head . The second arrangement gives the simplest possible form of tricycle, but it is unsuited for touring purposes . Tricars.—The tricar or motor tricycle was first made by removing the front wheel of a motor bicycle and replacing it by a frame carrying two See also:

• SIDE
• SIDE (mod. Eski Adalia)

side steering wheels and a seat .

With a powerful See also:

• ENGINE
• ENGINE (Lat. ingenium)

engine this arrangement gives a See also:

• LIGHT

light vehicle from which See also:

• GOOD, JOHN MASON (1764-1827)

good performances are obtained on roads with easy gradients . On steeper gradients the See also:

• POWER [WILLIAM GRATTAN] TYRONE (1797-1841)

power must be increased, and the See also:

• BELT (a word common to Teutonic languages, the Old Ger. form being bale, from which the Lat. balteus probably derived)
• BELT, THOMAS (1832-1878)

belt drive with only one See also:

• SPEED, JOHN (1552–1629)

speed is inadequate . The modern tricar is on different lines, resembling a small motor See also:

• CAR (Late Lat. carra)

car on three wheels . The engine is 6 to 10 h.p., preferably with two cylinders, See also:

• AIR (from an Indo-European root meaning " breathe," " blow ")
• AIR, or ASBEN

air or See also:

• WATER

water cooled, with clutch and gear-See also:

• BOX
• BOX (Gr. irl or, Lat. buxus, box-wood; cf. 2r6Eir, a pyx)

box giving two or three speeds, sometimes also a " c See also:

• REVERSE

reverse " speed . The transmission is usually by a chain from the engine See also:

• SHAFT
• SHAFT (O. Eng., sceaft, from scafan, to shave; the word is common to Teutonic languages)

shaft to the gear-box, thence by another chain to the rear road wheel . The frame or See also:

• CHASSIS (Fr. chassis, a frame, from the Late. Lat. capsum, an enclosed space)

chassis is supported on the three road wheels by springs . The steering gear is on the same See also:

• GENERAL
• GENERAL (Lat. generalis, of or relating to a genus, kind or class)

general lines as that of a motor car . The See also:

• WEIGHT

weight of a tricar of 7 to 10 h.p. is between 700 and Iwo lb . It is a much faster vehicle, especially uphill, than a small car of equal See also:

• PRICE
• PRICE, BARTHOLOMEW (1818–1898)
• PRICE, BONAMY (1807-1888)
• PRICE, RICHARD (1723-1791)

price . The rear See also:

• TIRE

tire, however, is subject to severer working conditions than the two driving wheel tires of a small car, and must be of adequate strength, or trouble will be frequent . The tricar cannot be said to have attained to the same degree of trustworthiness and freedom from breakdown as the motor bicycle or motor car . The rear tire is difficult to remove, in See also:

• CASE
• CASE, JOHN (d. 1600)

case of puncture .

The chain drive, See also:

• DIRECT

direct from a small chain-wheel on the engine shaft, is faulty in principle . The engine shaft See also:

• RUNNING

running often at 2000 revolutions per See also:

• MINUTE
• MINUTE (Lat. minutes, small; minuere, to make less)

minute, the chain is necessarily noisy, and is subject to continual See also:

• GRADUAL (Med. Lat. gradualis, of or belonging to steps or degrees; gradus, step)

gradual stretching, necessitating frequent readjustment . In all respects, except speed, the tricar is inferior to the small car . (A .