Drawings of radio-controlled models "The EnterTrainer" with an electric motor or internal combustion engine made of balsa.
Overall length — 55 in.
Wingspan — 58.25 in.
Wing Area — 680 in.²
Root Chord — 13.125 in.
Tip Chord — 10.75 in.
Airfoil (root) — NACA 0016
Airfoil (tip) — NACA 25014
Dihedral (wing top) — 0°
Dihedral (wing bottom) — 1/4 in. (1.8°)
Wing Taper (LE) — 2.6°
Wing Taper (TE)- 2.6°
Weight (glow) — 6.5 lb.
Estimated wing loading — 23 oz/ft.²
Elevator area — 84 in.²
Stabilizer area — 64 in.²
Rudder area — 30 in.²
Fin area — 20 in.²
Flap area — 45 in.²
Aileron area — 64 in.²
The model can be powered using a .46- to .60-class glow engine, or with an electric motor of similar power rating.
Aerobatic trainer’s configuration is that of the familiar stick model, with the wings and empennage altered to suit the purpose of this design — that of a stable platform from which to learn the basics of RC model aerobatics.
Does size really matter? Here is the first run of 2020 and a comparison and test of the Hobby Plus CR-18 (1/18th Scale) and the Hobby Plus CR-24 (1/24th Scale)