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G4IJL > HELP 01.06.11 21:06l 43 Lines 1435 Bytes #999 (0) @ WW
BID : 460179G4IJL
Read: DK3UZ GUEST
Subj: FTW 8-1 tube info PSE
Path: DB0FHN<DB0FOR<DB0SIF<HB9EAS<DB0LHR<OK0NHD<OK0PHL<OK0PCC<OM0PBC<OK0PPL<
DB0RES<ON0AR<HS1LMV<CX2SA<VE3UIL<GB7COW
Sent: 110601/1959Z @:GB7COW.#44.GBR.EU #:57377 [253991] FBB7.01.35 alpha
From: G4IJL@GB7COW.#44.GBR.EU
To : HELP@WW
Hi everyone,
In my late brother's [G8IMC] "stuff" I have found two triodes marked FTW
8-1. These are water cooled transmitter types in the kilowatts region. Do
any of you know what the voltages and amps are? Any details? Any
information?
I have tried the internet and details are shall I say "not there". I did
find one reference URL:
http://www.radiomuseum.org/tubes/tube_ftw8-1.html
Now you may see the monsters! ;-D
The tube/valve is 12 inches high (about 300 mm). The large copper bottom
is for water cooling.
I did find the heaters are 8 volt at 80 amps. Did I mention I have
possibly got a suitable transformer? I not sure I would like to put them
on the HF bands, but I do hold a NOV for... yep... "As much power I want
to use within reason". No I do not jest!!! However I think these pair of
beauties are a little over the top even for the Americans on 80/75 metres
HI HI. The resultant power out WILL melt any HF antenna you have?
I really only wonder what my late brother, Dave was thinking of when he
got these tubes. Perhaps they were from a large metal lathe speed
controller? He was shall I say into industrial heavy plant machinery. He
ran the maintenance department for an armaments' factory.
73 - Paul, G4IJL @ GB7COW
Message timed: 20:59 on 2011-Jun-01
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G4IJL located IO92KX
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