RST Engineering wrote:
Just running down the list in my head, I am going to take the opposite
position. Most aircraft have BOTH mags with an impulse; a small minority
have only one with an impulse.

Jim

Most aircraft have only one mag with an impulse

Not sure to whom you are responding. I don't see that exact text in my posting,
but I did say something like that.

....but I defer to your greater experience.

Dave