![[ spyderP.jpg ]](spyderP.jpg)
The Ultralight Products Spyder was the basis of a 1977 test-bed for a 'pyrolitic graphite' (carbon fiber) airframe. The idea finally reached production in the 1991 UP TRX.
The Ultralight Products Spyder was the basis of a 1977 test-bed for a 'pyrolitic graphite' (carbon fiber) airframe. The idea finally reached production in the 1991 UP TRX.