Author Topic: More FFR 24V system issues  (Read 4652 times)

Offline fc101

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Re: More FFR 24V system issues
« Reply #15 on: May 09, 2017, 01:18:06 PM »
So in the FFR the 24v system is powered by a 28v generator rather than a 28v alternator.

Offline Mick_Marsh

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Re: More FFR 24V system issues
« Reply #16 on: May 09, 2017, 01:28:19 PM »
So in the FFR the 24v system is powered by a 28v generator rather than a 28v alternator.
That is what I understand. I don't have one to look at.
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Offline fv1620

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Re: More FFR 24V system issues
« Reply #17 on: May 16, 2017, 07:25:55 PM »
In British military parlance a Dynamo is invariable referred to as a Generator. But an Alternator can be referred to as a Generator or an Alternator.

Is the 24v thing in question a Generator No.10? In which case it is an Alternator.

Offline Elliottt

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Re: More FFR 24V system issues
« Reply #18 on: May 17, 2017, 05:37:53 PM »
From the emei;

"Alternator
5. The vehicle is fitted with an NSN 2920-66-095-0364 Generator, Engine Accessory, 100 A 28 V dc. For a detailed description of the alternator refer to EMEI Electrical P 412."



It needs to be excited, there are three terminals for it, positive, negative and a exciter feed which is fed by the 24v battery banks, switched via relay by the ignition

it also behaves like an alternator as it needs a few rev's to produce a decent current and voltage

I would love to be able to get a copy of EMEI Electrical P 412, if somebody knew of where to get it, that would be greatly appreciated

Offline Philthy

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Re: More FFR 24V system issues
« Reply #19 on: May 18, 2017, 08:17:46 AM »
From the emei;

"Alternator
5. The vehicle is fitted with an NSN 2920-66-095-0364 Generator, Engine Accessory, 100 A 28 V dc. For a detailed description of the alternator refer to EMEI Electrical P 412."



It needs to be excited, there are three terminals for it, positive, negative and a exciter feed which is fed by the 24v battery banks, switched via relay by the ignition

it also behaves like an alternator as it needs a few rev's to produce a decent current and voltage

I would love to be able to get a copy of EMEI Electrical P 412, if somebody knew of where to get it, that would be greatly appreciated


Elliottt is this part of what you are chasing?  I extracted these images from the Series 3 RPS from Page 391 on.

Iím sure Iíve seen a repair/wiring on it as well somewhere.

Offline Philthy

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Re: More FFR 24V system issues
« Reply #20 on: May 18, 2017, 08:37:33 AM »
I wonder if you could get more information by searching by the Patent Number?

I cleaned up mine like new inside and gave it a coat of Circuit Board Varnish for safe keeping.