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The way we were

Discuss equipment which does not fit in in the other forums here, like cable cranes, material handlers, drilling, piling and screen equipment

hair bear
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Re: The way we were

Post #351 by hair bear » Sat Nov 26, 2016 11:47 am

So what was the design weight of the S type? That one looks a little full.

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FOWLER MAN
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Re: The way we were

Post #352 by FOWLER MAN » Sat Nov 26, 2016 1:47 pm

hair bear wrote:So what was the design weight of the S type? That one looks a little full.


Hi Rob,
The S Type was designed as a 7 tonner.
The legal limit was 14 tons gross which allowed us to carry a payload of just over 9 tons which we all did, and a bit more if we thought we could get away with it.
The one in the pic has a big lightweight coal body, (9 / 10 cubic yards), and would legally have carried about 9.25 tons.
Fred


essexpete
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Re: The way we were

Post #353 by essexpete » Sat Nov 26, 2016 10:09 pm

I'll bet that was a sluggish beast when fully loaded then?

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FOWLER MAN
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Re: The way we were

Post #354 by FOWLER MAN » Sun Nov 27, 2016 1:45 am

essexpete wrote:I'll bet that was a sluggish beast when fully loaded then?


Yes Pete, Plenty of gear changing. The two speed axles were well used too.
I did drive an S Type occasionally but we were into the old Dodge Kew, (Hell Driver type), at that time.


Britman
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Re: The way we were

Post #355 by Britman » Sun Nov 27, 2016 3:11 am

I remember driving an S Type 7 ton Tipper with a Perkins R6 in it. Also drove a Leyland engined one on a Low loader.

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modelman093
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Re: The way we were

Post #356 by modelman093 » Sun Nov 27, 2016 4:50 am

Were they not known as the "Big Bedford" or was that just the Dinky Toy version?

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Re: The way we were

Post #357 by FOWLER MAN » Sun Nov 27, 2016 3:46 pm

Here's another blast from the past featuring an almost forgotten product of British engineering.
In the early 1960s I worked as foreman fitter for a Yorkshire based company, Wm. Pepper, they were part of the Hargreaves Group.
They were running some coal reclamation and screening jobs here in South Wales.
They had several "Sentinel" generators for driving screens etc. on hire from Manchester based Dawson & Keith. These ran 24 hours a day six days a week and they were pretty good.
Because they were so far from home we did the service and repair on them ourselves.
I was reminded of this when I saw the pic. below of a Sentinel genny. on the net.
They were a Sentinel product not just someone using their engine, I think they used a Maudslay alternator end.
Image

The engines were designed to sit between the chassis of the Sentinel Lorries , probably a throw back to the sentinel steamers, so they were horizontal six cylinder units with some very unusual features. Below is the four cylinder version showing the injector pump and water pump driven by bevel gears from the front of the crank shaft. The cam shaft was also gear driven but from the flywheel end of the crankshaft.
Image
The earlier engines were indirect injection with Ricardo designed Heads but a direct injection version was introduced at some later stage.
Here are a couple of reminders of the lorries.

Image
Image


Britman
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Re: The way we were

Post #358 by Britman » Sun Nov 27, 2016 4:42 pm

Angus, you are right, they were known as the Big Bedford.

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modelman093
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Re: The way we were

Post #359 by modelman093 » Mon Nov 28, 2016 12:11 am

FOWLER MAN wrote:
The engines were designed to sit between the chassis of the Sentinel Lorries , probably a throw back to the sentinel steamers, so they were horizontal six cylinder units with some very unusual features. Below is the four cylinder version showing the injector pump and water pump driven by bevel gears from the front of the crank shaft. The cam shaft was also gear driven but from the flywheel end of the crankshaft.
Image
The earlier engines were indirect injection with Ricardo designed Heads but a direct injection version was introduced at some later stage.
Here are a couple of reminders of the lorries.

Image
Image


Those engines remind me of the even more radical Commer TS3s (Tilling Stevens) with three cylinders, six pistons, one crank and an assortment of con rods and rockers - oh yes, and a supercharger!


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Re: The way we were

Post #360 by essexpete » Mon Nov 28, 2016 12:41 am

What a smart truck the Sentinel Spillers six wheeler. Thanks as ever Fred!


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