ASG 32 EL Manual de voo - Página 7

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Flight Manual

Sustainer assisted aerotow

The electric propulsion can be used to assist the aerotow, e.g. in case of

short or wet airfields.

WARNING

The sustainer assisted aerotow is only permissible, if the aerotow

would be also possible without the assistance of the gliders sus-

tainer. The assistance serves to increase the safety margin only.

Referring to the ground roll and take-off distance as well as the

climb rate of the tow the same values as for the unassisted tow

apply.

WARNING

The state of charge of the propulsion battery has to be at least 70%

to guarantee a sufficient amount of energy for the tow.

The proper function of the electric propulsion has to be tested with

a ground run before the tow. An indicated power of at least 26 kW

as well as a speed of at least 2200 rpm have to be achieved with a

power setting of 100% while stationary. See also page 4.10a.

In general, all procedures and limits of the normal aerotow apply. In ad-

dition, the following has to be regarded:

Recommended

62 – 75 mph), in case of towing speeds above 130 km/h (70 kts,

81 mph) the sustainer propulsion has no benefit anymore. Hence the

sustainer should be stopped and retracted according the checklist of

section 4.5.1 at a safe altitude in case of high towing speeds.

The following checklist provides a procedure for performing a sustainer

assisted aerotow.

Issue:

15.09.2017

Revision:

TN 12 30.10.21 PA

towing

speed

Flight Manual

100 – 120 km/h

(54 – 65 kts,

Appr.

4.19