Bob's Chipmunk. This started with a Goldberg kit but included scratch built extra parts.
It has an 81" wingspan (IMAA legal), weighs 14 lb and is powered by two OS .70 Surpass.
Bob's Phaeton 90. From a
Balsa USA kit, this has a 70" wingspan, weighs 13 lb and is powered by a Saito 1.20
Roy Hartmann's SR71
Ron Sorg's BD 10 Landing
Paul Appelbaum's turbo fan jet .
This is Skip Delius' photo plane "Eye in the Sky", which is an 81" span Senior Kadet
carrying on board 35 mm camera (looking out under the left wing) with auto exposure and powered advance tripped by a servo driven cam
release. First flown in 1987, it has flown in IMAA events almost every year
since and was featured in High Flight, Fall "87 (p99).
Phil's T-6 (or is it a T-28)?