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Cornishbloke

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Posts posted by Cornishbloke

    Scorpion Rotary Base Junction and Clansman cables

    in Tracked vehicles

    Posted

    Hi

    I have a friend who is restoring an ex Belgian Scorpion.  He wants to fit a Clansman harness instead of the Belgian one and needs the pin diagram for the RBJ.

    It looks as if the 14 pin plugs both into and from the RBJ are dedicated to the Comms but obviously the Clansman cable to the Driver and from the Gunner are 12 core.

    Has anyone anything that can shed some light on this?

    Thanks

    Richard

    MV owners in Bute and Bude

    in MV Chatter

    Posted

    As far as I know Scottish registrations under the old system used to have S as the designated letter. (*SA,*SB etc.)  However, and this is where it gets muddy, DVLA also use S designated registrations as age related plates for vehicles prior to 1964 when the suffixes were introduced.

    You might have a situation where *SJ is a registration that was initially allocated to Bute but which is now being used as an age related plate for a vehicle registered in Bude!

    Here are a couple of random pictures showing vehicles that have been issued age related Scottish numbers.

    Hope this helps

    Richard

     

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    • Thanks 1

    Clansman antenna base bolt sizes

    in British Radio Equipment

    Posted

    Hi

    Just looking for confirmation that the antenna base bolts (those which pass all the way through to the vehicle mount) are M6. I need to drill out some broken studs in the fixed antenna mount on the turret of a Scorpion and want to make sure that I rethread them to the correct size/pitch.

    Many thanks

    Richard

    War and peace 2017 ?

    in War & Peace show.

    Posted

    The toilets were unacceptable - no one should be faced with the sights that greeted you in the portables. My gripe was that arriving at 21:00 on the Wednesday after a 250 mile trip I met one of the biggest jobsworths on the site. First words "were no wristband no entry" I had a printed ticket with the truck registration on it - personal id if needed but that didn't mean anything to her. She seemed to be enjoying it and was quite proud of the fact that she had already turned away a family who had travelled from Norway.

    Surely there has to be some acknowledgement that people travel long distances to get there and that they cannot always plan their arrival times to suit. Keep the ticket and have a quarantine area to stop in if they are paranoid about freeloaders but why not keep the check in open for longer?

     

    It wasn't the best start to what was otherwise an enjoyable show

    Hot rod tank

    in British Vehicles

    Posted

    At the Tank Museum a few years ago and in one of the sheds they had a pre-production test rig for the CVR(T) which was powered by an American V8. Don't know how successful it was or whether it's still there.

    RB44, rolling road brake test

    in British Vehicles

    Posted

    Hi

     

    I put the RB44 in for its VOSA test and for the brake test the examiner used a Tapley meter as the vehicle is permanent 4 wheel drive. It failed on non brake issues, but by the time I obtained the parts and had them fitted it needed a new test. I was not present at the second test by a different examiner who claims to have been able to test the vehicle on the rolling road by putting it into two wheel drive and neutral. I spoke to the test centre who said that he jacked one wheel off the ground and was able to turn it, showing that the front wheels were not connected and that it was in two wheel drive.

     

    I am worried that he may have damaged the transfer box by doing this. My understanding is that the gearbox drives the input shaft which is linked by two drive belts to the output shaft which in turn drives the front and rear propshafts. It should not be possible to rotate the front wheels whilst the rear are stationary and vice versa.

     

    Have I got this right, and what tests can I perform to make sure that the drive train is as it should be and there is no damage?

     

    Cheers

     

    Richard

    Stormer track on a cvrt

    in Tracked vehicles

    Posted

    Some CVRT were modified to work with long horn chevron track. The most noticeable alteration is a box cut out of the sponson immediately over the drive sockets to allow for the thicker pads. I don't know whether the sprockets or the carriers are modified and whether the rear idler has to be changed to allow for the longer horns.

     

    Richard

    Another military laptop - Raytheon

    in British Radio Equipment

    Posted

    I've been following Majorweld's progress with his LXi and am looking to do the same with this one. I know very little about it other than it is a more or less standard Pentium based motherboard in a rugged case. It has windows XP and a colour screen and starts up as it should.

     

    It sits on and plugs into a base which has a couple of circuit boards inside and a multipin round socket on the side.

     

    My aim is to link the radio to the laptop via a G3LIV Isoterm and to use it to send and receive PSK CW. However, I have no idea how to get any input into the machine as there are no USB ports etc. and I cannot find out even whether there is any sound or microphone capability at all. Does anyone have any ideas as to how I can make progress? Thanks RichardIMG_8888.jpg

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    Clansman Power

    in British Radio Equipment

    Posted

    Hi

     

    I have a BMETs fitted RB44 with three sets connected. The four batteries (connected as Iain says) run to a main fuse panel which has take offs for the penthouse light, cabin fan and lighting and which feeds a second panel which has mainly the 2 pin power sockets seen on Clansman and which are protected by press button circuit breakers. I take the set/control harness feeds from these.

     

    There is no direct feed from outside to the radios - the batteries can be charged via the 24 volt alternator fitted in addition to the 12 volt vehicle alternator or by an external 28 volt generator. I assume that this is to maintain a clean supply to the radios or to remove the need for a pure sine wave inverter within the system. My vehicle was pretty complete when I bought it and the racking and wiring were still in place, and there was nothing there to suggest that anything was powered at anything other that 24/28 volts.

     

    Before I fitted the 353s to the truck, I tried to test them by connecting the power lead directly to a 24 volt battery charger. This failed miserably as the built in trip in the radio kicked in almost immediately. However, connecting two 12 volt batteries between the charger and the sets allowed them to power up perfectly.

     

    I'm looking at mounting a laptop in the vehicle, which despite being a military set, is mains powered so I will need an inverter at some stage, although in my case to convert 24 volt DC to 240 volt AC.

     

    Hope this helps

     

    Richard

    Jeep aerial tie down

    in MV Chatter

    Posted

    You may need to research the reason for the tie down. I don't know a great deal about wartime radio fittings but some modern US antennas are tied forwards to assist in NVIS (Near Vertical Incidence Skywave) which is part of the radio propagation method. If this is the case the angle is controlled so a kit is more likely to be used.

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