Sorry - TA! (It was the other poster to whom I
replied contemporaneously who was posting
from La Belle France)

"Airy R.Bean" wrote in message
...
Merci beaucoup.

"Randy Replogle" wrote in message
news:b6MJd.16509$ef6.13922@trnddc07...
"Airy R.Bean" wrote in message
...
Why is the slot on the body of a fly-cutter offset from
the centre?
Is it so that the cutting edge itself is brought onto
the line of a diameter?
Yes
Yes, keep the toolbit as "short" as possible.
Yes, in theory but not usually noticable in practice.