Rick W Posted February 3, 2013 Share Posted February 3, 2013 Just seen that the 2 remaining relics of Pounds Yard, the huge LARCs have been moved on due to redevelopment of the site. I would post a link, but I'm on mobile device and I haven't worked out how to do it yet... Quote Link to comment Share on other sites More sharing options...
landyandy Posted February 3, 2013 Share Posted February 3, 2013 http://www.army.mod.uk/news/24720.aspx Quote Link to comment Share on other sites More sharing options...
Tony B Posted February 3, 2013 Share Posted February 3, 2013 Now they are one BIG military toy! There is one at Overloon, about six of us to get around one wheel. Quote Link to comment Share on other sites More sharing options...
snort Posted February 3, 2013 Share Posted February 3, 2013 Yes they have big wheels!:-) Quote Link to comment Share on other sites More sharing options...
Pzkpfw-e Posted February 3, 2013 Share Posted February 3, 2013 I wonder if any of these "Buried tanks" will be found, if they do any excavating there? Quote Link to comment Share on other sites More sharing options...
eddy8men Posted February 3, 2013 Share Posted February 3, 2013 i was thinking the same thing :cool2: Quote Link to comment Share on other sites More sharing options...
Simon Daymond Posted February 3, 2013 Share Posted February 3, 2013 I like the comment about the TA realising the "training potential" of moving them! I could use some help moving stuff, sorry "training" Quote Link to comment Share on other sites More sharing options...
timbo Posted February 4, 2013 Share Posted February 4, 2013 A shame they will be broken up after surviving all these years....impressive bits of kit. Quote Link to comment Share on other sites More sharing options...
antar Posted February 4, 2013 Share Posted February 4, 2013 Four 6 cylinder Detroit Diesels in each one. Quote Link to comment Share on other sites More sharing options...
hummermark Posted February 6, 2013 Share Posted February 6, 2013 hi do you know if any of the 6-71 fitted are left hand turn? or do you know the model number of the engines? Quote Link to comment Share on other sites More sharing options...
David Herbert Posted February 6, 2013 Share Posted February 6, 2013 hi do you know if any of the 6-71 fitted are left hand turn? I think you will find that GM 6-71s are convertable from LH turn to RH turn and LH supercharger or RH. The blocks are machined with all the holes and pads for any configuration and are then built up as needed. Most parts are not actually handed, just assembled differently, and almost everything is still available commercially. The biggest mistake people make is not removing plugs from oilways and replacing them where they need to be. Vickers got into trouble with the Shervic project because they were using Sherman M4A2 bits to build heavy crawler tractors but only needed single engines. As they were starting with Sherman twin sets they had to convert half the engines they had to the opposite hand. No one had told them about the plugged oilways. There was actually a GM quad set with four 6-71s driving into a gear case and one shaft out to drive a pump or generator or similar but I think that the LARC has one at each wheel station rather than four in a clump. David Quote Link to comment Share on other sites More sharing options...
hummermark Posted February 8, 2013 Share Posted February 8, 2013 Hi, As David said you can configure the 6-71 Detroits in all sorts of ways and rotations but there is expenditure to convert right hand rotation (the most common that you are liable to come across on the 6-71) to do this because some key parts are directional sensitive such as the cam shaft, crank shaft gear helix, idler gear helix, starter motor, crank shaft oil seal. Just these few items to buy would be approx. £1500 so it would be quite a financial saving if you can already get them as left hand turn. Whilst the oil pump can be configured to run on either rotation the pipe work would have to be completely redone for the triple oil pump which you cannot buy so would need to be fabricated. There are some key parts to the M4/M3/M10 6046 twin packs that you can no longer buy commercially i.e. the triple oil pump, oil pump piping, fan drive, oil pump gears, fly wheel.clutch You say Vickers with the Shervic Project were using the M4A2 engines and only needed one engine on the heavy tractor so had to convert half of them. Both M4A2 6-71 Detroits are left hand turn so would they not be converting them all if all were destined for the tractor? You are right the oil plugging would have to be watched, the devil is in the detail as they say! Mark Quote Link to comment Share on other sites More sharing options...
Adrian Barrell Posted February 8, 2013 Share Posted February 8, 2013 Opposite hand, not opposite turn. Quote Link to comment Share on other sites More sharing options...
hummermark Posted February 8, 2013 Share Posted February 8, 2013 that would explain it why only half the engines. Quote Link to comment Share on other sites More sharing options...
super6 Posted May 10, 2013 Share Posted May 10, 2013 I wonder if any of these "Buried tanks" will be found, if they do any excavating there? A lot of the prep work for the new junction was completed when the motorway was built in the 1970's. Quote Link to comment Share on other sites More sharing options...
Hoseman Posted May 10, 2013 Share Posted May 10, 2013 Not familiar with these so what era are they?? 60s, 70s, 80s etc???? Quote Link to comment Share on other sites More sharing options...
Degsy Posted May 10, 2013 Share Posted May 10, 2013 Not familiar with these so what era are they?? 60s, 70s, 80s etc???? Early 50's Quote Link to comment Share on other sites More sharing options...
Desert Rat Posted May 26, 2013 Share Posted May 26, 2013 They've only moved them to the other side of the road ! :laugh: Pity they're going to be broken up. Quote Link to comment Share on other sites More sharing options...
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