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sideways. A three sided rudder servo mount was then made from ply and screwed to the supplied
servo tray. This allows both servos to be very positively mounted without having a hole larger
than necessary to enable the servo to be slipped in without damaging the control wire.

I made up a 1.5mm ply battery tray and glassed it place to provide a firm base for the LiPo and to
strengthen the cockpit area that is a traditional problem area in molded gliders. The Hornet is
stiffer than most around the cockpit but the additional strength will help with the inevitable not so
perfect landing.

The servo tray is glassed in place and finished with peel ply material. The servos can then be
fitted in place.

Tail Feathers and Linkages

Rudder

The cut out for the rudder horn was marked up and the slot cut. The horn was fixed in place with
epoxy mixed with a little micro balloons to thicken it up a bit while curing.

Summary of Contents for Hornet Motor Glider

Page 1: ...Hornet Motor Glider...

Page 2: ...tor glider with modest power can be built if gliding and thermalling is the primary function A powerful in runner motor can be fitted if high speed powered flight is the objective In this build I have...

Page 3: ...with cockpit canopy bell crank cover plate 2 x Wings 2 x Fully flying elevators 1 x Carbon main spar 2 x 4mm control rods 1 x Small components bag 2 x Aileron servo covers 2 x Flap servo covers 2 Fla...

Page 4: ...election Power I chose an emax GT2812 1180Kv motor weighing 105g that would produce 1 4Kg of thrust at 28A 10200 rpm on a standard 10 x 5 prop This equated to 336watts I selected an emax 40A continuou...

Page 5: ...he glider in their respective positions and try a CG test At this early stage it is not necessary to be totally accurate the objective being to verify that motor and LiPo choices made are practical Th...

Page 6: ...ing is laid up I used a mixture of carbon tow and light glass roving This is epoxied in place on both sides of the firewall Peal ply is then applied to remove excess resin and ensure the layup is comp...

Page 7: ...for the LiPo and to strengthen the cockpit area that is a traditional problem area in molded gliders The Hornet is stiffer than most around the cockpit but the additional strength will help with the...

Page 8: ...od ends to stop them from splitting The rudder clevis edges had to be ground off to clear the rudder horn fairing Horizontal Stabiliser These fully flying elevators are very effective but pose a probl...

Page 9: ...eams were equal and marked the position on the vertical stabiliser I then cut a length of fishing braid and marked the positions of the center seam of the fuselage and elevator leading edge I ll keep...

Page 10: ...the covers in place after the servos and control rods were fitted Ailerons I found the fibre glass aileron horns would not readily fit under the fairings and therefore discarded them I made some brass...

Page 11: ...skin of the wing The balsa trailing edge spar has to be dremelled out to allow passage of the control rod The horns were then epoxied in place with the top edge of the horn contacting the upper wing...

Page 12: ...llowed for the material set sufficiently for flight NB This glider will operate sub 100km hr this fixing method is most certainly not suitable for anything anything faster If a warmliner is being buil...

Page 13: ...it s whole range Take all the time necessary to ensure both the aileron and flap operation works perfectly once you are satisfied with the operation the servos can be fixed in position with silicon se...

Page 14: ...e right slider Aileron rudder mixing on Aileron and flaps set 3mm down Elevator trimmed for slow speed Landing mode Allocated to the back position left hand switch High rates selected for ailerons ele...

Page 15: ...of aircraft types If an appropriate template can be found programming work can be greatly reduced...

Page 16: ...en my modest amount of power and simply launch the plane and see if it would fly I chose an area over a gully where the plane could be firmly hand launched downward to gain airspeed and then have risi...

Page 17: ...4mm to maintain a consistent 40 deg dive but I don t like making large CG changes so it will take a while to reach that level of tune Next flight verified Loiter mode certainly flew slower and with ad...

Page 18: ...if I see a nice looking thunder storm approaching I can put in the car assembled and be flying in 10 minutes Such windows of opportunity are short lived and do not allow for a major expedition of get...

Page 19: ...Gallery...

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Page 22: ...vator and rudder as a set All measurements are in mm is up is down Exponentials are shown as percentages High Rates Medium Rates Low Rates Aileron 18 9 60 15 8 50 9 6 40 Elevator 12 12 60 10 10 50 8 8...

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