18
40
COST OF PLANT.
One Mild Steel Trinidad Emulsion Mixer (as shown on Plate XXII) crated ready for Shipment, f.a.s. London
£85 0 0
1,000 Gallon Kettle, portable type similar to that made
by Braham Patterson & Benham Ltd.
£189 0 0
Fixed type
£160 0 0
Indicating Thermometer
£3 18 0
MOTOR FOR ELECTRIC DRIVE.
(As quoted for by Messrs. The Lancashire Dynamo & Motor Company Limited.)
(a) A.C. 3 phase 50 cycles, 380, 400 or 415 volts.
1- Frame Size A14b6 drip proof type MAXTORQ squirrel case rotor induction motor continuously rated for use with the above plant, having two endplate type ball and roller bearings with belt pulley 5 in. dia. × 7 in. face.
Output 8 b.h.p., 965 r.p.m. Price
Extra for sliding base for belt adjustment if required complete with holding down bolts and foundation bolts
The performance figures for the above motor are as follows:
£19 12 6
£1 10 0
Power factor Efficiency
F.L.
L.
0.87
0.74
87.5%
85.5%
(b) D.C. 230. 220/240, 440 or 460 volts.
1 - Frame Size D30AZ drip proof type shunt wound interpolar D.C. motor continuously rated for use with the above plant with two endplate type ball and roller bearings and belt pulley 5 in. dia. × 7 in. face.
Output 8 b.h.p., 950 r.p.m. Price
Extra for sliding base and bolts as before
The efficiency figures are as follows:-
F.L.
...
81%
L.
77%
£39 15 0
£2 7 6
The above motors would comply with Crown Agents' Standard Specifi- -cation No. 93 dated November 1926, for machines for use in damp tropical climates. The temperature rise on the insulated windings measured by thermometer after six hours' continuous run on full load would not exceed 30° C. above that of the surrounding atmosphere.
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