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#1
03-01-20, 11:23
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Thanks
Thanks everyone.
The Cole sun compass shown is very different to the one we have (dated 11 January 1940). I am in the middle of making some Bagnold sun compasses and have been visiting the IWM at Duxford to study/measure/photograph the original. I will post a picture when they are completed. Alastair F60S Lynx I MkIII* 
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#2
15-01-20, 20:59
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Instruments
My Lynx is now ready for the road except for the fact that the instruments do not work.
I see from the wiring diagram that there is a resistor to drop the 12v supply voltage down to 6v for the instruments. I do not know where this resistor is. Browsing in the spare parts manual to identify a unit mounted on the front bulkhead of the engine compartment, I see it is called "C19SR 12250 Circuit breaker - ignition coil and resistor assembly". This looks a likely candidate. Can anyone confirm this is the beast I am looking for and where to test its output please. Regards, Alastair F60S Lynx I MkIII*
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#3
15-01-20, 21:06
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If the circuit is anything like the Ford CMP and MC 6 Volt circuitry, the resistor is to drop the voltage to 4.5 volts for the ignition coil.
Doubtless other Lynx owners can help with more detail. Mike
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#4
15-01-20, 22:02
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You can by-pass that and depending on whether you are using a resistor at the coil end, which gives you the same effect. Cheers Andrew.
__________________
Valentine MkV Covenanter MkIV Lynx MKI and MKII Loyd Carrier / English / Candian / LP. M3 Stuart
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#5
15-01-20, 22:08
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Alastair
For a detailed discussion on "C19SR 12250 Circuit breaker - ignition coil and resistor assembly" have a good read on this thread: http://www.mapleleafup.net/forums/sh...ad.php?t=25315 Colin
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#6
15-01-20, 23:10
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Email
Alastair,
PM sent. Peter
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#7
16-01-20, 00:04
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https://www.ebay.com/itm/Ford-C19SR1...IAAOSw4q9XTz2A
While it appears to use the same resistor and circuit breaker components used in the 01A-12250 and 11A-12250 units, it has two ignition resistors and that large cylindrical item in the middle. So while there is some commonality with the 6v parts, there is obviously different needs for the 12v system. Last edited by Tony Smith; 16-01-20 at 00:09.
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#8
16-01-20, 01:26
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Hi Alastair, I purchased a new old stock unit from Dirk and Stephan Leegwater. I am not sure if they still have them or not but it might be worth contacting them to see.
Regards Rick. https://www.lwdparts.com/ Lynx&CNNFeb22014 115.JPG
__________________
1916 Albion A10 1942 White Scoutcar 1940 Chev Staff Car 1940 F30S Cab11 1940 Chev WA LRDG "Te Hai" 1941 F60L Cab12 1943 Ford Lynx 1942 Bren Gun Carrier VR no.2250 Humber FV1601A Saracen Mk1(?) 25pdr. 1940 Weir No.266 25pdr. Australian Short No.185 (?) KVE Member.
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