Hi Ian

Lightning is best avoided. But in the event it is not avoidable, my limited experience is that a strike that is near
enough to knock out a GPS has no effect on a Tasman vario. Presume this is because of the aerial on the GPS.

My guess would be that - If you get hit hard enough to knock out your electronic varios you will probably not be
particularly worried about thermalling.

Bruce

Ian wrote:
On 16 Jul, 20:37, Bruce wrote:

So why install mechanical varios in a new high tech glide? Convince me.

How well do electric ones react to nearby lightning bolts? Apart from
that, isn't it an awful lot easier to fit a mechanical vario than it
is to fit a complete second electrical system?

Ian "All mechanical cockpit" J