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Old 21-07-15, 06:24 PM   #1
air-cooled
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Default Willetts Petrol-Air Gas Generator

Just checked the Cheffins summer sale catalogue for interesting engine stuff and not much entered (only 29 lots !!) except this item caught my eye:

http://www.cheffins.co.uk/lot/-1151709-vintage-0

Never having heard on one before I duly turned to google to provide enlightenment as to what this strange bit of kit was. It came up with the following from the Commercial Motor archive for 1927 (so not as early as the vendor likes to think):

http://archive.commercialmotor.com/a...-of-the-garage

""Lighting by Petrol-gas.

As an alternative to electric plants for the lighting of -country garages, attention may be drawn to the Willett petrol-air gas-lighting system made by Mann, Egerton and Co„ Ltd., of Norwich, the more so in that both original and subsequent costs are low. As the name implies, the set provides a means for generating lighting and heating gas from petrol and air. The plant consists of five main compactly arranged units—winding gear, petrol drum, air compressor, pressure regulator and carburetter. The motive power is supplied by a weight with a 20-ft. fail, the weight Operating, through reduction gearing, the petrol feed and air compressor.

The plant is quite automatic in action gas being produced directly a light is turned on. As more lights are brought into use, production increases, and when all are turned off the machine stops working. So long as the weights are off the ground and water and petrol are in the drum the apparatus is entirely self-controlled. The weights can be wound up at any time without interruption to the light, the winding operation requiring but little effort.

Two sizes of the plentiare made, one producing 470 cu. ft. of gas per hour to run '70 60-c.p. lights, or 120 of 40-c.p. capacity, and a smaller set producing 200 cu, ft. per hour capable of supplying 50 40-c.p. lights. ""

So not an engine at all, but an alternative method of providing fuel for lighting and other purposes.

Phillip
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Old 06-08-15, 06:29 PM   #2
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Well this rather interesting, and probably unique item, made just 80+10%. So just like this thread, no one was interested.

In fact the whole stationary engine section made rather low prices, or did not sell due to reasonable or possibly high reserves.
However, some lucky bidder got a Petter M plus a generator on a 4 wheel trolley for 170+10%.

Phillip
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Old 06-08-15, 07:19 PM   #3
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Your original post caught my eye Phillip - holding out for a hot air engine powered plant though ;-)

NHH

Last edited by nickh; 06-08-15 at 07:28 PM.
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Old 06-08-15, 07:57 PM   #4
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Yes, that would be rather nice .....

Phillip
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Old 06-08-15, 08:26 PM   #5
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Bob Seir who is or was the SEM hot air engine help line contact used to have one - the 'Colonial lighting plant' or something - all built on to what was effectively a cast iron dining table!

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