. Brake tests; a report of a series of road tests of brakes on passenger equipment cars made at Absecon, New Jersey, in 1913 . Fig. 40. CAR DISCHARGE train signal valve on cars. 62 122. The effect of the lower equalization pressure of the UC equip-ment in connection with a higher per cent, braking power per poundof cylinder pressure than for the PM equipment, is to provide a greaterflexibility for service brake operation. For example: a 24-pound brakepipe reduction is required to obtain a maximum (90 per cent.) servicebraking power with the UC equipment, whereas, with the PM equip-me
. Brake tests; a report of a series of road tests of brakes on passenger equipment cars made at Absecon, New Jersey, in 1913 . Fig. 40. CAR DISCHARGE train signal valve on cars. 62 122. The effect of the lower equalization pressure of the UC equip-ment in connection with a higher per cent, braking power per poundof cylinder pressure than for the PM equipment, is to provide a greaterflexibility for service brake operation. For example: a 24-pound brakepipe reduction is required to obtain a maximum (90 per cent.) servicebraking power with the UC equipment, whereas, with the PM equip-ment the maximum service braking power (80 per cent.) is obtainedwith the brake pipe reduction of approximately 19 pounds. 123. To obtain the same per cent, of braking power with eachequipment requires a greater reduction with the UC equipment than withthe PM equipment, 75 per cent, braking power requiring a brake pipereduction of about 17| pounds with the PM equipment and 20 poundswith the UC equipment. Thus, with the smaller reservoirs, a longertime is available in which the engineman can exercise his judgment asto what
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