[GreenKeys] Not Your Average M14 - eBay

[David Burns]

The FRXD design seems to presume a "same-speed" assumption on the 
sending and receiving circuit (unlike the 28-RT), since there's only one 
motor, no apparent tape-loop and (I'm guessing) no room for a 
speed-change gear arrangement.  True?
-Dave
On 11/29/2013 10:11 AM, Bill Strangfeld wrote:
> It is an FRXD.  One of the photos shows the tag.  Compare it to this photo:
>
> http://www.nadcomm.com/frxd.htm
>
> The FRXD is the model 14/15-era predecessor of the model 28-RT.  The
> mechanism on the left of the photo is a transmitter-distributor with a
> climbing head that reads up to the last character punched.  These are
> tape-relay units, not crypto.
>
> Nick has a You-Tube of the 28-RT in action here:
>
> http://www.youtube.com/watch?v=XD97YVIaPlA
>
> The eBay one looks like it is missing the sheet metal cover that should be
> over the tape reader on the left and the chad box on the lower right.
>
> I have an NOS FXRD with the matching table and might (not sure) have a spare
> chad box if someone on the list buys this.
>
> Bill W8FIX
>
>
>
>
>
> -----Original Message-----
> From: greenkeys-bounces at mailman.qth.net
> [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of David Burns
> Sent: Friday, November 29, 2013 9:29 AM
> To: greenkeys at mailman.qth.net
> Subject: [GreenKeys] Not Your Average M14 - eBay
>
> This is an exceedingly curious bit of Teletype equipment as it looks at
> first glance as though it were a M14 reperf, but it has more than one
> station where tape is manipulated, in addition to what appears to be 5-bit
> parallel electrical pickup on the far right front side...perhaps for use in
> encryption?  Anybody know this?
>
> http://www.ebay.com/itm/WWII-NAVY-DEPARTMENT-PORTABLE-TELETYPE-MACHINE-WITH-
> CASE-AND-GLASS-COVER-/271334136092?pt=LH_DefaultDomain_0&hash=item3f2cc6591c
>
> -Dave in Boston
>
>
>
>