E-flite UMX ASK-21 BNF User Manual download pdf (Page 12)

Wind

28 ft

(8.5 m)

Recommended Aircraft

Alignment for Takeoff

Towing

Towing with the Carbon Cub is only recommended

for advanced pilots. While towing, be sure to ﬂ y in

a large, open space. Also be sure that you have

two pilots, one for the sailplane, and one for the

towplane.

The E-ﬂ ite

UMX

ASK-21 sailplane is designed to be

towed by the E-ﬂ ite

Carbon Cub (EFLU1180) from a

smooth runway. A tow line (approximately 28 feet

(8.5 m) long) is included with the UMX ASK-21 or is

available separately (EFLU1257).

Do not attempt to ﬂ y or operate your ASK-21 any

longer than 25 minutes on a battery.

1. Position both aircraft near each other on the

runway, facing into the wind.

2. Tie the tow line to the tow plate on the

Carbon Cub. Tie the other end of the tow line

to the release mechanism under the nose

of the E-ﬂ ite UMX ASK-21 (see tow release

installation section).

3. Space the aircraft apart so there is no slack in

the tow line. If there is slack, it can result in

damage to one or both of the aircraft.

4. Ensure that the tow line is resting above the

Carbon Cub’s horizontal tail so the Carbon

Cub can pull the sailplane into the air safely.

5. Quickly apply power to the Carbon Cub once

both pilots are ready for takeoff.

6. Keep the Carbon Cub on the ground until the

sailplane and is 2–3 ft (0.9–1.2 m) above the

Carbon Cub.

7. Slowly apply elevator to lift the Carbon Cub off

of the ground. Be sure to keep the Carbon Cub

under the sailplane until you have reached your

release altitude.

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E-flite UMX ASK-21 BNF User Manual Page 12

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