Thanks.
Appreciate the correction.
Cheers
On Dec 24, 2017 6:17 PM, "Bob Haskell" <rchaskell at earthlink.net> wrote:
> Ira,
>
> BJ8 tach is electrical, no cable from the distributor drive. So you would
> need to simulate the primary circuit through the induction coil of the
> tachometer.
>
> Just guessing, a zero to 12 volt square wave at a frequency of something
> like:
>
> 3000 engine rev/min 1 dizzy revolution
> ------------------- * ------------------- * 6 cylinder = 150 Hz.
> 60 sec/min 2 engine revolution
>
> As Kees suggested - in a car would probably be easier.
>
> Cheers,
>
> Bob Haskell
> AHCA 3000 MkI registrar
> http://www.ciahc.org/registry_3000mk1.php
>
> On 12/24/2017 06:41 PM, i erbs wrote:
>
>> Drill motor connected to cable. Or just spin the cable with your fingers
>> to detect movement. If it spins, could be angle drive or bad cable.
>>
>> rv9aplane at gmail.com>> wrote:
>>
>> How does one go about testing a tachometer (?67 BJ8) to see if it?s
>> functional?
>>
>> Thanks and Merry Christmas!
>>
>> Bruce
>>
>> Sent from my iPad
>> _______________________________________________
>>
>
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