As I understand, from the SAE Papers, the Mk II had wiper components from a Boeing 707.
Apparently, normal wiping speeds for aircraft are about 240 wipes per minute through an angle of 60 degrees. When used in aircraft at 28 volts, the motor runs at 11,000 rpm. When operating at 12 volts, the wiping speed was reduced to around 110 wipes per minute.
The wipe angle was increased from the original 60 degrees to 110 degrees.
The arm and blade were also a modification of aircraft equipment. The main portion of the arm was stainless steel tubing. A spring-loaded blade pressure adjustment was incorporated in the section that mounted to the motor flexible drive. The blade was an anti-lift design modified to withstand vehicle design speeds.
Windlift was non existant at any vehicle speeds. Blade pressure was about 30 ounces.
The headlamp and driving lights used iodine-quartz bulbs designed for long-life truck use. These lights apparently caused few problems.
The main problem with the lighting was the side number identification lights being wiped off on straw bales - Precision driving?
Hope this helps.
Cheers,
Geoff.
Apparently, normal wiping speeds for aircraft are about 240 wipes per minute through an angle of 60 degrees. When used in aircraft at 28 volts, the motor runs at 11,000 rpm. When operating at 12 volts, the wiping speed was reduced to around 110 wipes per minute.
The wipe angle was increased from the original 60 degrees to 110 degrees.
The arm and blade were also a modification of aircraft equipment. The main portion of the arm was stainless steel tubing. A spring-loaded blade pressure adjustment was incorporated in the section that mounted to the motor flexible drive. The blade was an anti-lift design modified to withstand vehicle design speeds.
Windlift was non existant at any vehicle speeds. Blade pressure was about 30 ounces.
The headlamp and driving lights used iodine-quartz bulbs designed for long-life truck use. These lights apparently caused few problems.
The main problem with the lighting was the side number identification lights being wiped off on straw bales - Precision driving?
Hope this helps.
Cheers,
Geoff.