Cermak - the F3K specialist

Introduction

Gladiator II-E is an electric sailplane usable for wide range of R/C sport flying.
Its application could vary from thermal and slope flying to some fast dynamic power flying. Goal of its design was to achieve the following:

• Good flight characteristics and performance that will satisfy all R/C flyers.
• Good flight stability and maneuverability.
• Good glide ratio (L/D) and minimum sink.
• Speed range that allows an efficient high speed search for lift, good wind penetration and a docile approach for landing.
• Sturdy construction.
• The most complete ARF kit that includes all required parts and allows quick and easy model completion. (The kit does not include only adhesives and R/C equipment.)

Wing

• Gladiator II-E wing has an airfoil HN 487.

• The wing has a simple V dihedral and all span ailerons /flaperons that allow you to adjust the wing airfoil camber for the given phase of the flight and to maximize the wing efficiency.
• Aileron servos are located in the wing.
• The wings are produced in negative molds using vacuum technique. The molds were manufactured using CNC cutter to guarantee the maximum achievable airfoil accuracy.
• The wing is made in one piece and attached to the fuselage by a pin in the leading edge and a bolt.
• Wing skins are sandwich fiberglass / balsa / fiberglass. Center section of the wing is reinforced with carbon fiber cloth.
• The main spar consists of a balsa web with vertical grains and carbon caps.
• The auxiliary, aft balsa web is located ahead of the ailerons hinge line.

Fuselage

• Gladiator II-E fuselage is a fiberglass shell with a removable canopy in the forward section. Battery and a regulator are located under the canopy.

• Servos controlling tail surfaces are located in the fuselage under the wing.

Tail surfaces

• Standard cross tail configuration is used for better controllability during circling and on approach to landing.

• Flying horizontal stabilizator is controlled by the carbon push rod and a lever inside vertical stab.
• Rudder control carbon push rod is connected to the rudder control horn on the left side of the rudder.

Power unit

•  This model is powered by an axial electric motor HCS C Compact 380, which is an integral part of the  propeller spinner.

 

 

Color finish alternatives

The model can be supplied in a color scheme according to the customer's wishes.
Standard paint versions:

• Wing has required colors on the top and bottom, leading edge and/or wingtip can be painted in different colors. Fuselage and tail surfaces have required colors.
• Other color schemes (stripes, etc.) are possible at an added cost.

Recommended R/C equipment

• Graupner 700 receiver or an equivalent

• 4 x Waypoint W-060 micro servos or their equivalents of similar dimensions
• 3 x Li Po Battery Dualsky 1050 mAh
• Axial motor HCS C Compact 380 with a foldable propeller Graupner 9/5“

Specifications

Wing span	1492 mm	58 3/4 in
Fuselage length	942 mm	37 in
Wing area	21.5 dm2	2.32 ft2
Wing airfoil	HN487
Empty weight	245 - 255 g	8.5 - 9.0 oz
Flight weight	470 - 480 g	16.5 - 16.9 oz