To anyone interested I tracked down the guy with the old plans. Here is his response.

Thx

Don

All of Bill Effinger's W.E. Technical Services plan are still available.
The 1/3 scale 170 is $53.00.
shipping, rolled in a tube by UPS is $10.00
for a total of $63.00

Fiberglass parts are available from:

Ed Keeler
Precision Fiberglass Products Co.
3745 Fox Creek Rd
Louisville, TN 37777
phone 865-984-0828
fax 865-984-8177

The plans are available from:

Orbit Electronics, Inc.
417 Pomeroy Place
Horizon City, TX 79928
phone 915-852-2735
cell 915-241-3489
fax 915-852-2636

Thanks for your inquiry.

John Melvin