At 02:41 17 December 2016, wrote:
On Friday, December 16, 2016 at 6:02:19 PM UTC-5, Jonathan St.
Cloud wrote:
The product placement is a bit perplexing to me. The thought the
JS-1B
was a 15/18 glider.

Nope. Production JS1 was 18M from the beginning.


Actually the option of 15m tips was a consideration for Jonkers in the
initial stages of JS1 production but most customers did not want it!