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Vigilant Motor Glider
Planes and Choppers
No: 122   Contributor: Andy Sayers   Year: 2006   Manufacturer: Grob   Country: United Kingdom
Vigilant Motor Glider

Vigilant Motor Glider, 663 VGS RAF Kinloss
Picture added on 15 May 2006
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The Grob 109B motor glider, known by the RAF as the Vigilant T1, is used by the Air Cadet Organisation to give basic flying and gliding training to air cadets. The aircraft is built in Germany, but it has been modified to meet the RAF’s training requirements by the inclusion of an additional throttle in the cockpit and an increase in the maximum take-off weight.
The aircraft is powered by a Grob 2500E1 horizontally opposed, four-cylinder, air-cooled engine, which provides a direct drive to a Hoffman Ho- V62 R/L160BT variable-pitch, two-bladed propeller. The conventional landing gear, which is non-retractable, comprises two main wheels with fairings, and a tailwheel, which is steered through the rudder pedals. A retrofitted throttle is provided for use by the left-hand seat, giving the student the familiar military configuration of right-hand stick and left-hand throttle arrangement.

Added by Peter Langsdale on 01 May 2009.
A big advantage that rc gliders and sailplanes have over powered radio control aircraft is that of flight duration; if the conditions are favourable with good lift during a rc slope soaring or thermal flying session then you can keep your glider aloft for a very long time. No need to land for refueling or replacing a motor battery pack, although you do of course need to keep an eye on the TX and RX battery levels to keep the radio signal strong.

Added by VideoPortal on 19 March 2017.
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