LITESPEED OWNERS MANUAL
Version 1.01
4
DESCRIPTION OF DESIGN
The Moy es Litespeed is a glider designed by elite competition pilots for competition and
enjoy able high performance cross country fly ing. The Litespeed utilises a similar plan
form as its predecessors the Xtralite and CSX, and has improv ed other facets of the
glider to prov ide better performance, safety and handling.
The Litespeed features a 7075 aluminium airframe which allows minimum w eight w ith
excellent flex characteristics. The leading edge features a step dow n taper design w ith
rev ised sleeving and tube diameters to produce a lighter w eight outer leading edge w ith
improv ed flex distribution across the length. The w eight reduction prov ides considerable
reduction of inertia and thus roll pressures are minimal.
The elliptical fibre glass w ing tip has been a feature of Moy es high performance gliders
since the early 80’s. The fibre glass tip creates a washout distribution allow ing better
turning coordination than conv entional designs. With the full tight VG setting, the fibre
glass tip allows for a tighter mainsail and a more desirable w ashout distribution.
The Litespeed features a rev ised sail design w hich allow s for minimum tw ist w ithout
losing pitch stability . The double surface has been increased to 92% w hich prov ides
better w ashout control under positiv e load and allows the enclosed stability system to be
mounted further rearward for better support. The leading edge tension has been markedly
increased to minimise airfoil distortion at high speeds. Many design steps have been
taken to produce a low minimum fly ing speed and allow easy control at these speeds.
The pitch stability sy stem utilises cable braced inner and outer aluminium sprogs
prov iding support for battens 7 to 11 v ia tw o transversal battens. The inner sprog
features a unique compensator sy stem operating from the geometrical change of the
X-bar to leading edge angle. This allow s for the inner sprog to rise 80mm w hen the VG
is released. The stability system w as designed w ith max imum strength and stiffness in
mind, and demonstrates excellent structural integrity under any flight load.
The Litespeed sail has a total of 8 internal cloth ribs. These internal ribs restrict the
under surface from ‘blow ing out’ w hich prev ents pilot induced oscillations. The internal
ribs are cut to a specific airfoil, w hich produces the desired under surface camber for low
drag high speed gliding.
The Litespeed features a spar constructed entirely of pre-impregnated carbon fibre cloth.
The pre-impregnated carbon prov ides maximum consistency in production. The spar
utilises combinations of biax ial fibre and unidirectional fibre to produce load absorbing
flex ibility and maximum impact resistance.
Summary of Contents for LITESPEED
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