[GreenKeys] Length of tape
Don Robert House
[email protected]
Wed, 13 Feb 2002 21:37:25 -0800
No two rolls of tape are the same in length. That is why most rolls
have red dye near the end of the roll. Many reperforators have a low
tape alarm that is adjustable.
Good luck
>Thanks John,
>How long is a standard roll of tape whether used on a M19 or M14 Reperf. I
>basically need to know how long in time that a roll of tape runs on a
>perforator or T/D for that matter. I can figure it from the info you gave
>me if I knew the length of the standard roll of tape. I have a bunch of
>rolls but unwinding one to measure it is a waste and besides that I am lazy.
>Hi Don W5BB
>----- Original Message -----
>From: "jsheetz" <[email protected]>
>To: <[email protected]>
>Sent: 12 February, 2002 6:38 PM
>Subject: Re: [GreenKeys] Length of tape
>
>
>> I assume you really mean to ask about the speed of a tape coming out of
>> a 14 transmitter-distributor (td). The speed of a reperforator is
>> entirely
>> dependent on the speed of the data coming into it. A reperforator is a
>> receiving device which punches a tape as the data is received.
>> A transmitter-distributor reads a punched tape and sends out the data.
>> A normal Model 14 transmitter-distributor at 60 words per minute
>> (not 60 RPM) puts out 368 characters per minute. If this signal were
>> fed to a reperforator the reperforator would then be punching tape
>> at that same speed. The tape is punched at 10 characters per inch so
>> you would get 36.8 inches of tape out every minute at 60 wpm.
>> I may have misunderstood your question. If so, please clarify.
>> There are other ways to describe this same situation but they all
>> result in the same thing.
>> John Sheetz, K2AGI
>>
>>
>> Don Mehl wrote:
>> >
>> > Does anyone know (1) How long does a tape run on a Model 14 reperforator
>at 60 RPM? (2) how long is the tape in feet? Don Mehl
>> >
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--
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Don Robert House, N.S.E.
Curator, NADCOMM
North American Data Communications Museum
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