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What the Trailer Makers Offer
Page 114
Page 116
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BARNARD Stand 113 THE platform-bodied trailer exhibited is designed to carry loads up to 3 tons, the size of the platform being 12 ft. by 6 ft, The mild-steel channel frame is a fabricated structure, the forecarriage having a bearing plate of large area. The platform body is built of it-in, deal, with 3-in. by 2-in. cross-bearers. Braking of the rear tgheels is on the over-riding principle, the diameter of the brake drums being 8 ins.
The axles are 2 ins, square, and the wheels are equipped with 7.50 by 50 India tyres. With an overall length of 15 ft. 6 ins., the height of the platform from ground level is 2 ft. 9 ins.—Barnards, Ltd., Norfolk Iron Works, Norwich.
BRAMBER Stand 66 DESIGNED for carrying plant, such as welding equipment and generator or compressor sets, the 30-35-cwt. two-wheeled trailer shown here has a dropped axle, with the axle stubs pressed into cast-steel drop ends. The Girling brakes, which have 10-in.-diameter drums, are operated by an over-running attachment. Mounted on the draw-bar is a jockey wheel. Two adjustable legs at the rear of the frame, in conjunction with the jockey wheel, provide three-point stability when the trailer is stationary.
The second trailer shown is a four-wheeler with platform body. The channel-section frame is built up from 3-in. by 11-in. by --in. material, the whole structure being elez trically welded. Steering is through the front turntable, attached to which is a channel-section drawbar, carry* a ball hitch and the over-run braking mechanism. The platform body measures 9 ft. 6 ins. by 3 ft. 6 ins.
This exhibit is completed by a number of components, such as straight and dropped axle sets.—Brarnber Engineering Co., Ltd., Springbok Works, Waterloo Road, Cricklewood, London. N.W.2.
BROCKHOUSE Stand 91 ARTICULATED outfits, with Brockhouse semi-trailers, form Iwo of the exhibits. The 10-ton Pullmore shown is coupled to a Thornycroft V.F/NR6 tractor unit. Of single-axle design, the semi-trailer is equipped with 36 by 8 heavy-duty tyres, mounted in twin formation. The Gitlin brakes are operated by air pressure through Cla}ton Dewandre equipment on the tractor unit. The second semitrailer, an 8-tonner, has the Brockhouse Kwikfiks coupling gear. The Girl,ing brakes in this case are operated by a vacuum servo, the means for attachment of the pipe-line between the tractor unit and semi-trailer being automatically broken when the outfit is uncoupled.
The 5-cwt., 8-cwt. and 12-cwt. machines shown are twowheeled trailers, the Brockhouse patented ball-hitch coupling being employed in each case. On the 8-cwt. and 12-cwi. models. braking is on the over-run principle and a hand parking brake is fitted. All three have utiiity-type bodies of practically the same dimensions-5 ft. by 3 ft. That on the 5-cwt. trailer has a depth of 12 ins., whilst the other two are 15 ins. deep.
G12 In addition to the co.mplete machines, the assembly exhibits demand attention. These comprise towing, brake, spring, ball-coupling and other units as incorporated in Brockhouse equipment. —J. Brockhouse and Co., Ltd.. Victoria Works, Hill Top, West Bromwich.
B.T.C. Stand 108
THE outstanding outfit here is the semi-trailer coach, with .I. Seddon oil-engined tractor. Known as the Airflow, the semi-trailer body accommodates 41 passengers. Equipment includes vacuum-operated Girling brakes, a B.T.C. quickly detachable coupling, and 35 by 7.5 twin tyres.
The 8-10-ton low-loading semi-trailer shown is of the removable-axle type, and has a six-member full-drop frame. A clear length of 14 ft. is provided in the well, and the upper platform, which measures 6 ft. 6 ins, by 7 ft. 6 ins., provides accommodation for a 4-ton treble-geared winch.
Vacuum-operated Girling brakes are common to all the exhibits. For raising the semi-trailer, two 16-ton jacks are provided. The platform body has a 1 On. hardwood base, with 12-in. headboard.
An 8-ton extensible pole semi-trailer, a 12-ton semi-trailer with the four rear wheels in line, and a 12-ton independent trailer, complete the exhibit. The first-mentioned is shown attached to a Ford 5-ton short-wheelbase model, and the second has a Maudslay Maharanee tractor unit.—British Trailer Co., Ltd., Farm Lane, Fulham, London, S.W.6.
Stand tand 103 CIVE exhibits are staged by this concern, three of which
are semi-trailers, the fourth an overseas-type fourwheeled trailer, and the remaining one a 6-8-ton extensible two-wheeled pole trailer with a swivel tractor bolster. The 8-ton drop-frame detachable-axle semi-trailer with Seddon tractor, incorporates the company's patented C-spring flexible metal trunnions. The method of securing and releasing t rear axle is well worthy of inspection by reason simplicity of the design. Mounted at the front i winch, and included in the specification are jacks for lifting and lowering the rear end, and loading ramps.
The Carrimore retractor turntable is shown on the 8-ton semi-trailer with Vulcan tractor unit. With this type of turntable it is possible to take the semi-trailer body well up to the back of the cab, as the body automatically retracts when the outfit is taken round corners.
Another 8-tanner, with Austin 5-ton tractor unit, is equipped with the Carrimore Quickfit coupling gear and retractor turntable. An automatic contact coupling valve connects the servo pipe line, and seals the vacuum pipe on the tractor when the semi-trailer is uncoupled from the tractor unit.
Designed for export, the 6-8-ton four-wheeled trailer has provision for dismantling to economize in shipping space. The body shown is sectioned.—Carrimore Six Wheelers, Ltd., Carrimore Works, North Finchley, London, N.I2.
CRANES Stand 96
BUILT for the Iraq Petroleum Co., Ltd., the 20-ton easyloading semi-trailer shown here, attracts attention by reason of its size. Designed for carrying heavy plant on pipe-line construction, the platform can be tipped hydraulicaily to form a continuous ramp to assist loading. Girling brakes are fitted on all wheels, the means for operation being by air pressure on the I3endix-Westinghouse twopipe-line system. The turntable, which is of special design, has rubber-cushioned bearings.
The 22-ton trailer exhibited is a 12-wheeler, and was designed for carrying sheet billets up to a leitgth of 30 ft. A special feature of Crane design lies in the use of a tworow ball-bearing turntable, which is incorporated in this model. To prevent slip, the bolsters have friction faces.
A hook-on pole trailer for I5-ton loads, and a 7-ton fourwheeled trailer for general-purpose uses, are also shown. A feature of Crane products is the elimination of shackles and their attendant pins in the suspension system. The Duramin cab on the A.E.C. tractor chassis attached to the pole trailer is built of light metal and, complete with front grille, weighs only 93. cwt.—Cranes (Dereham), Ltd., Dereham, Norfolk.
DYSON Stand 50
TRAILERS and semi-trailers, ranging in carrying capacity from 3-4-tons to 25-30-tons, are to be seen here. The 30-tonner, which is for export, has a detachable front carriage, and it can be operated as a full trailer or semitrailer. There are two axles and four wheels at the rear, with -a similar arrangement on the forecarriage. The machine has an overall length of 33 ft., the loading space measuring 18 ft. by 10 ft. 6 ins.
At the other end of the weight scale is the 3-4-ton dropframe trailer which is shown as a mobile fish and chip shop with bodywork by Cocker and Sons, Ltd., Southport. The forward part of the body is fitted with a four-pan range and chip machine, and the rear with serving counter. Roller shutters cover the serving hatches.
Another export model is a 20-ton semi-trailer. The allsteel chassis has a straight frame, mounted on which is a 2-in, hardwood platform specially treated to resist tropical pests. It is covered with steel plate, and pipe sockets are arranged along the sides and ends. The rear bogie consists of four axles with two lines of wheels, the latter being interchangeable with those of the Leyland Hippo tractor unit to which the semi-trailer is coupled.. The remaining model is a 9-10-ton trailer which, in chassis form, is 16 ft. long by 7 ft. 5 ins. wide.—R. A. Dyson and Co., Ltd., 76-80, Grafton Street, Liverpool, 8.
EAGLE Stand 48
THE four-wheeled trailer, with 1,800-gallon tank designed to carry beer in bulk, which is to be seen on this stand. incorporates Ackerman steering. Of stainless-steel construction, the tank is divided into three sections, the exterior being insulated with Alfol. The trailer is mounted on single 12.75 by 20 low-pressure tyres. Servo brakes are fitted.
With an Austin 5-ton tractor unit, the 8-ton semi-trailer for carrying round timber has a channel box-section woodfilled pole, with a swivel mounting on the forecarriage to allow for oscillation. The wheelbase can be adjusted from 13 ft. to 20 ft. 6 ins. The twin wheels, carrying 34 by 7 tyres, are interchangeable with those on the tractor unit.
G14
The 6-ton van-bodied semi-trailer, which forms another exhibit, is of the drop-frame type. Designed for carrying biscuits in tins, the body is divided into two compartments by lattice gates. Empty tins are carried in the fore part and full ones to the rear. The retractable carriage on the -Semi-trailer is of Scammell make.
A 5-6-ton standard four-wheeled platform trailer completes the main exhibit. The wheelbase is 9 ft. and the platform measures 14. ft. by 6 ft. 6 ins., the overall length of the machine being 18 ft.—Eagle Engineering Co., Ltd., Eagle Works, Warwick.
HANDS Stand 105
IN Hands trailers, the turntable is enclosed in oil: an important feature from several aspects. A section of the arrangement shows the details of construction, and should not be missed. Of the semi-trailers shown, the 6-ton generalpurpose model, type USSF6, has been specially developed for the export market. It has a quickly detachable Americantype turntable, with S.A.E. king-pin. When detached from the tractor unit, wheeled legs, which can be retracted bj; means of a spring-assisted lever, form the front support.
Designed to accommodate long steel or timber. an 8-ton extensible-pole semi-trailer is shown with Guy Otter tractor unit. The wheelbase of this machine is adjustable between 15 ft. and 28 ft. This also is fitted with an American-type quickly detachable turntable, with S.A.E. king-pin. The cable operating the Girling brakes is provided with a means for automatically adjusting its length with changes in wheelbase of the semi-trailer.
A Commer-Hands articulated outfit, with 1-type coupling gear, is to be seen with a drop-sided body. The fourth exhibit is a 20-ton machinery-carrying trailer, with removable forecarriage for conversion to a semi-trailer.—Hands (Letchworth), Ltd., Letchworth, Herts.
LOLODE •. Stand 34 THE equipment displayed is of the lighter type, the largest machine, a Six-wheeled trailer, having a capacity up to about 51. tons. It has apressed-steel channel frame, braced with tubular cross-members, and a -1-in. steel floor with welded treads. Mounted at the forward end is a 2-ton hand winch which enables one man to load a 5-ton tractor on to the trailer.
The next machine in order of carrying capacity is a 35-cwt. twin-wheeled trailer, designed to carry small tractors and similar equipment. It can be fitted with a body to carry two cows. The specification includes a retractable jockey wheel at the forward end, four-wheel brakes, hand parking brake, and a ball hitch. The wheels, which are closecoupled, are are fitted with 6 by 16 heavy-duty tyres. A municipal model of the company's 15-cwt. two-wheeled trailer forms the third exhibit. It has a deep-sided steelframed body with wood floor. The inside dimensions of the body are 8 ft. by 4 ft., with 2-ft. sides. A 3-in.-diameter steel tube forms the main frame cross-member, and on this tube the independently suspended road-wheel assemblies are pivoted.--The Low Loading Trailer Co., Ltd., Bedford.
TASKERS Stand 20
D ANGING from a small 8-cwt. two-wheeled generalIN. purpose trailer with fixed-sided body, to a 25-ton eightwheeled low-loader, the array of equipment here is comprehensive in character. The oscillating wheel assemblies on the 25-ton machine are removable for easy endloading. The effective bed length is 18 ft.
A 6-ton semi-trailer is shown with 1,500-cubic-ft. pantechnicon body, the tractor unit being an Austin. The independently sprung wheels of the semi-trailer provide for a clear floor space, together with ample ground clearance. An export combination, having an overall length of 35 ft. 5 ins., is found in a 10-12-ton straight-frame semi-trailer with a Thornycroft tractor unit. This semi-trailer is of the knockdown type, and the wheels and tyres are interchangeable with those on the tractor.
The 10-ton four-wheeled timber carriage exhibited has bolsters which can be adjusted from 12 ft. 3 ins, to 21 ft.
6 ins. It has a square pole, i.vith a trunnion-mounted rear carriage. The remaining semi-trailer shown is a 7-8-tonner, with a 20-ft. platform body.. In this case the tractor unit is a Morris-Commercial. Tasker components are shown on stand 2I4.—Taskers of Andover (1932), Ltd., Waterloo Iron Works, Andover, Hints.