MODEL CLASS Ѕ3А

MODEL CLASS Ѕ3АAt the Russian championship 1997, she brought a gold medal to its author, the Moscow athlete M. Stepanov. According to many experts, this model is the Acme of perfection of the sports projectile of this class. Its mass (without a parachute and MRD) in just 3.5 g model in the widely known techniques of moulding of the fiberglass. The thickness of the applied fiberglass 0.25 mm. case and a fairing carefully crafted wall of uniform thickness. Tail part of the body in length 100 mm smoothly into the cone, and then into the cylinder with a length of 35 mm and an inner diameter slightly larger than 10 mm. In the same place, reinforced wire latch locking motor from inadvertently shooting when triggered, expelling charge.

Three stabiliser carved from balsa plates with thickness of 0.5 mm. Their lateral surfaces coated with a thin layer of liquid resin. Mount to the body butt on the resin K-153.
Fairing and body are connected by a sleeve length of 27 mm and glued to the fairing. The elastic damper is placed inside, both ends have tails from Kevlar thread. To the gum a tiny carabiner attached to the parachute with a diameter of 750 mm. the Thickness of the parachute protectors — 3 µm.
 
Model M. Stepanova
 
Model Stepanova:
 
1 — the head fairing; 2 — sleeve coupling; 3 — bulkhead; 4 — thread suspension of the chute; 5 — parachute; 6 — housing; 7 — compartment of motor; 8 — latch-latch; 9 — stabilizer; 10 — mrad.
 

 
The start of the model engine “Ural” designed by V. Tarasov retarder 6 s
 
V. ROZHKOV,
our spec. Q.

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