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Vintage Amateur and Military Radio Amateur/military receivers and transmitters, morse, and any other related vintage comms equipment.

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Old 4th Dec 2018, 11:43 am   #1
g4wim_tim
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Default Roller coaster identification

Can anyone shed any light on this roller coaster ?
What it came out of and ratings etc.

Regards Tim
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Old 4th Dec 2018, 12:56 pm   #2
Radio Wrangler
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Default Re: Roller coaster identification

Not just a roller coaster, that looks like a transfer roller coaster where wire is wound from a plain metal storage roller onto the insulated coil former roller. They are much less common. The only one I've had was in a Marconi PA stage and that had equal size rollers, both about 5 inch diameter.

Nice!

David
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Old 4th Dec 2018, 4:39 pm   #3
AC/HL
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Default Re: Roller coaster identification

It's out of a Racal 931 manpack transceiver: https://www.recelectronics.co.uk/syncal30.htm
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Old 4th Dec 2018, 5:07 pm   #4
g4wim_tim
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Default Re: Roller coaster identification

Thanks - I vaguely remembered it was from a Racal and due to the antenna connection guessed it was some sort of portable unit.

I'm planning on building a vintage AM tx for 160, 80 and 60mtrs and was considering using it as the PA pi tank coil - but I'm not convinced it could handle the power so will likely use a switched tank coil instead - plus it'd be a bit easier to tune.

Regards Tim
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Old 6th Dec 2018, 4:42 am   #5
M3VUV51
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Default Re: Roller coaster identification

Looks like the ATU from a Racal manpack to me!
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