> On Jun 16, 2015, at 10:54 , tony duell <[email protected]> wrote:
> I am pretty sure there is just one physical head on the TU58 drive chassis. 
> So if there is a separate erase
> field, it is a second gap in that head.

Correct. Single head with multiple gaps.

> 
> Ouch. Good luck in getting that, and even more luck in getting it positioned 
> properly!

Yup! That's why I'm presenting this as a philosophical debate, rather than 
something even crazy old me would think of building! :)

-- 
Mark J. Blair, NF6X <[email protected]>
http://www.nf6x.net/

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