[Milsurplus] APN 1 and generic WW 2 acft Nav setup

[telegrapher at att.net]

I've got about a 24 inch stack of B-24 tech orders and manuals. It seems 
to me that i've even got something on the C-1 Autopilot but didn't know 
where it was used.  Aha!  Now it's coming together


Larry
W0OGH


boeing377 at aol.com wrote:

> <<
> 
> --Date: Thu, 16 Mar 2006 07:03:32 -0800 (PST)
> From: Michael Tauson <kongomt at yahoo.com>
> Subject: [Milsurplus] APN-1 and other toys
> To: milsurplus at mailman.qth.net
> Message-ID: <20060316150332.8236.qmail at web32913.mail.mud.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
> 
> Hi, guys,
> 
> In a slight departure from the usual subject matter,
> however in keeping with the discussion of air
> navigation, I've got some questions.
> 
> I know the Norden bombsight was tied to the C-1
> autopilot.  I also know that there was provision in
> the APN-1 for connection to an autopilot.  Was it also
> the C-1 or another flavor ... or did it matter?
> 
> Next, what indicator was used with the BC-733
> localizer receiver & the ARN-5 glide slope receiver?
> Also, were they coupled to an autopilot?
> 
> Ah, the prime question is "Where am I going with all
> this"?  I think I can conjure up the big pieces of a
> C-1 (and maybe an A-5, though I'm not sure) autopilot
> as well as the major components of a couple different
> flux gate compasses.  APN-1 components are still
> available as are the ILS receivers and most of their
> associated parts.  The ADF won't be a problem since
> I'm sure I can find all the important pieces for an
> MN-26, BC-433 and/or ARN-6.  Likewise, a marker
> receiver won't be a problem though the indicator(s)
> may be.  On the other hand, I think I'll skip the
> Norden for now; at about $1500 a pop for a
> questionable one and well over that for one that
> stands a chance of working, it's a bit outside my
> league for now.
> 
> I'm having a bit of a problem with connectors, mounts
> and the like (as well as the ILS indicator for the
> BC-733/ARN-5 pair) but this is not unique to this
> project as those who've built up their own
> installations of other types will attest.
> 
> The end result wants to be a navigation set as would
> be found in larger aircraft.  I'm not basing on any
> particular model but rather going as generic as I can,
> though I readily admit I'm probably taking some
> liberties I shouldn't.  On the other hand, it'd be
> cool to see how it all ties together.
> 
> Oh, yes.  Any clues where to find manuals on things
> like autopilots?
> 
> BEst regards,
> 
> Michael, K3MXO>>
> 
> An often overlooked manual with LOTS of useful info on this stuff is the 
> RADIO manual for the B 24, part of a four or five volume B 24 manual set 
> seen from time to time on eBay and probably scanned on to a  CD by now. 
> Has connection diagrams for plugs, photos, many schematics, use 
> instructions etc. Has enough data on SCR 269 (BC 433 ADF) to set up the 
> system if you have all the parts. There is also a lot of detail about 
> the autopilot, but I think that may be in a different volume. ARN 6 is 
> the easiest way to go with as it needs only 28 VDC and no external 400 
> Hz power like the ARN 7 or BC 433 requires. 
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