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1:4 Scale 5m Horton III designed by Jilles Smits

Fans and Thermals.
Rich vale
Posts: 43
Joined: 19 Mar 2015, 19:52

Re: 1:4 Scale 5m Horton III designed by Jilles Smits

Post by Rich vale »

Jilles sent the graphical postion of the CG as shown
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HORTON-III MOTOR GLIDER SCALE 1-4.pdf
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Rich vale
Posts: 43
Joined: 19 Mar 2015, 19:52

Re: 1:4 Scale 5m Horton III designed by Jilles Smits

Post by Rich vale »

The Horton flies.
It was flown from the slope unpowered.
C.O.G. as drawn by Jilles seams to be in the optinum postition.
It has a great presence inthe air and because of its size appears to be travelling fairly slowly but has a good turn of speed.
Full coupled flaps and ailerons were used as elevons, which worked well.
The rudder drag breaks/spoilers enhance turns when coupled, but only have a small effect by themselves.
It will stall, with a pre sluggish control warning, and spin which can be instantly recovered with down elevator.

It has survived the first flight and now to exlore the powered flight.

Photos to follow
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Cliff Evans
Posts: 1029
Joined: 29 Dec 2019, 15:13
Location: Bristol
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Re: 1:4 Scale 5m Horton III designed by Jilles Smits

Post by Cliff Evans »

Great news Rich.
https://lasercutsailplanes.co.uk
https://patteaklegliders.co.uk
Rich vale
Posts: 43
Joined: 19 Mar 2015, 19:52

Re: 1:4 Scale 5m Horton III designed by Jilles Smits

Post by Rich vale »

First launch
Attachments
Maidens Sep 2023-1.jpg
Maidens Sep 2023-2.jpg
Maidens Sep 2023-3.jpg
Maidens Sep 2023-4.jpg
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chris williams
Posts: 1542
Joined: 10 Mar 2015, 10:50
Location: Blandford Dorset

Re: 1:4 Scale 5m Horton III designed by Jilles Smits

Post by chris williams »

Good stuff...!
Jolly Roger
Posts: 570
Joined: 30 May 2015, 20:35
Location: Sutton Bank, North Yorkshire

Re: 1:4 Scale 5m Horton III designed by Jilles Smits

Post by Jolly Roger »

What a great project and a successful conclusion. Also, how brave to maiden it out over the sea!
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