On Aug 10, 3:41 am, toad wrote:
On Aug 10, 5:49 am, Dan G wrote:

On Aug 9, 5:05 pm, Udo wrote:

The Speed Astir is one of the few gliders that can be improved
substantially.

Do all single-seat Astirs use the same wing?

Dan

No,

The Grob 102 and 103 use the E603 airfoil.

Todd Smith
3S

The Speed Astir wing is also flapped, and 123.4 sq. feet, as opposed
to the 133.5 sq. feet of the unflapped "other" Grob single seaters.