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BPN698 Dennis Light 4 - Newhaven back
Fire Engine Photos
No: 24805   Contributor: Michael G.   Year: 2010   Manufacturer: Dennis   Country: United Kingdom
BPN698 Dennis Light 4 - Newhaven back

Rear shot of the 1939 Newhaven Dennis Light Four with "New World" bodywork. Photo taken at Bentley Rally in East Sussex 21st August. This appliance is in fantastic condition.
Picture added on 22 August 2010 at 21:40
add commentComments:
Great rear-view of the 'New World' body-work: shows the details of having "the bench seats turned inward".

And an ingenious towing bracket, over the rear-mount pump.

Regards, from Canada,
Pat_R-B

Added by Pat Rivers-Bowerman on 24 August 2010.
What are the pump and tank capacities of this appliance?

Added by Bill Edwards on 20 December 2012.
The pump is the ubiquitous Dennis "No 2" pump, introduced in the 1930s and used for many decades. It was rated at 500 IGPM at 100 PSI with a 10 foot suction draft. This translates to 2250 LPM at 7 atmospheres.

There was no "standard" for water tanks in 1939, but most UK pumps were limited to between 40 and 60 IG (180 to 270 liters). These very small tanks were installed because of both space limitations and much lower vehicle gross weights and payload parameters than modern firefighting trucks.

Even as late as 1939 some pumps had no water tanks or first aid hosereels, but these very small tanks still often proved to be useful, because fires at that time involved very few plastics, hydrocarbons or syntheic fabrics, burning much cooler and more slowly than modern household materials.

Added by Rob Johnson on 21 December 2012.
Ha your right there Rob although full knock down on an old horse haired filled mattress took a few gallons

Added by Gary bolton on 22 December 2012.
Help please! I am trying to remove the front cover from a Dennis No. 3 pump. All the obvious nuts and pipes are removed, but the cover will still not move. Maybe I should be a little more forceful but I thought there must be someone who visits this site has done this before? It may just be tight, so a big 'puller' would do the trick or perhaps I could blow the cover free by pressurising it from another pump? Any thoughts gratefully received!

Added by Barry on 07 October 2013.
Best of luck Barry. I have not stripped a Dennis before, plenty of Sigmund and Climax though. I have separated parts using heat and pullers. The main problem is always scale and corrosion with seals acting as an adhesive.
Usually heat will do the trick though, a small ball hammer tapped around the casing as you go can be enough.

Added by John Stott on 08 October 2013.
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