Recent vintage finds
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aeoliandave
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The Courier takes a special specific bag. About the same size as a Lewyt bag, the cardboard gasket is set at the bottom edge and slides into slots to line up with the hose inlet. The coupler passes through the rubber membrane for a secure seal.
The extended finger handle also serves to press the gasket with the lid closed to keep it from dislodging when the hose is out.
The extended finger handle also serves to press the gasket with the lid closed to keep it from dislodging when the hose is out.
aeoliandave
Well-known member
Subtle differences of the first and second Big Wheel PNs. The smooth polished bottom plate glides effortlessly across carpet and the tripod rollers lift the plate 1/16" above a hard floor.
The top halves of the aluminum casings are identical but the bottom plates are not.
The first PN has two long wide open slots for the brushroll and the later improved one has a series of 5 rug guard ribs.
With a suction of +70" I expect the first plates pulled the carpet in too close and wore the tufts prematurely. Longer tufts and carpet fringe would tend to get snagged and wound around the roll. The later improved plate kept the carpet surface at an even level from the brushes.
You can see on the righthand PN the thick 120 volt cord that runs through the bale and continues in one length up the wands, clipped along the hose to the 2-blade socket on the Vacuum body.
The main brushroll drive gear is a spoked nylon wheel with the 5 spokes flattened and angled like fan blades. I expect most of them broke from the stresses of driving the brushroll.
On the lefthand PN you can just make out the single thin 24 volt wire following the same path to the bale junction box where it connects to a contact blade inside the wand ferrule. The entire metal body (and wands) of the PN serve as the other side of the circuit to which the motor ground wire is screwed. The nylon drive gear is now one solid disk.
The first blue PN did not have a headlight or socket - the 'lens' is opaque cream plastic which dimly glows from the 25 watt bulb and socket I added. I expect this was in order to get the 1957 Model 107 & revolutionary Motorized Beater Sweeper quickly to market to gauge consumer interest - and beat the competition to the punch - while the 24 volt version was being refined and finalized for the 1958 Model 111. The 24 volt model has a 24 volt bulb and a clear lens.
The top halves of the aluminum casings are identical but the bottom plates are not.
The first PN has two long wide open slots for the brushroll and the later improved one has a series of 5 rug guard ribs.
With a suction of +70" I expect the first plates pulled the carpet in too close and wore the tufts prematurely. Longer tufts and carpet fringe would tend to get snagged and wound around the roll. The later improved plate kept the carpet surface at an even level from the brushes.
You can see on the righthand PN the thick 120 volt cord that runs through the bale and continues in one length up the wands, clipped along the hose to the 2-blade socket on the Vacuum body.
The main brushroll drive gear is a spoked nylon wheel with the 5 spokes flattened and angled like fan blades. I expect most of them broke from the stresses of driving the brushroll.
On the lefthand PN you can just make out the single thin 24 volt wire following the same path to the bale junction box where it connects to a contact blade inside the wand ferrule. The entire metal body (and wands) of the PN serve as the other side of the circuit to which the motor ground wire is screwed. The nylon drive gear is now one solid disk.
The first blue PN did not have a headlight or socket - the 'lens' is opaque cream plastic which dimly glows from the 25 watt bulb and socket I added. I expect this was in order to get the 1957 Model 107 & revolutionary Motorized Beater Sweeper quickly to market to gauge consumer interest - and beat the competition to the punch - while the 24 volt version was being refined and finalized for the 1958 Model 111. The 24 volt model has a 24 volt bulb and a clear lens.
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