Written by Andrew Griffith
Two solidly performing models that come together for aerotowing
Abridged product review and video
Featured in the September 2015 issue of Model Aviation.
RobinS 50 E Specifications
Model type: Electric sport scale ARF
Skill level: Intermediate
Wingspan: 69 inches
Wing area: 841 square inches
Length: 56.6 inches
Airfoil: Semisymmetrical
Radio: Six channel minimum (seven with glider tow release)
Power system: 1,000-plus-watt brushless motor; 70-amp ESC; 6S LiPo battery
Construction: Laser-cut balsa and light plywood
Covering/finish: Oracover film covered available in two trim schemes; painted cowl and wheel pants
Street price: $429.99
Wing loading: 25.2 ounces per square foot
Weight: 9 pounds; 4 ounces (with 6S flight battery)
RobinS 50 E Pluses
• Great scale looks with two attractive trim schemes.
• Includes radio switched lighting kit and a glider tow release.
• Enjoyable sport model that will do an impressive array of aerobatics.
• Transports on the main landing gear.
L-13 Blanik Glider Specifications
Model type: Scale aerobatic glider
Skill level: Intermediate
Wingspan: 130.7 inches
Wing area: 1,248 square inches
Length: 66.9 inches
Airfoil: Semisymmetrical
Radio: Six-channel minimum, seven for aerotowing
Construction: Laser-cut balsa and light plywood with fiberglass fuselage
Covering/finish: Oracover covering on the wings and tail surfaces with a painted fiberglass fuselage
Street price: $599.99
Wing loading: 8.9 ounces per square foot
Weight: 11 pounds, 13 ounces
L-13 Blanik Glider Pluses
• Distinctive-looking Red Bull color scheme.
• High-quality fiberglass fuselage.
• Fun to fly and nicely aerobatic.
• Includes flaps for landing in smaller fields.
L-13 Blanik Glider Minuses
• The manual is mostly just photographs and lacks any control throw information.