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MD3 Rider of Space Coast Aviation Services
MD3 Rider of Space Coast Aviation Services

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Jet Shark
Jet Shark
© Gryf design

When 300km/hour is not enough, there are some ideas to create jet-powered aircraft using Shark design, so You could fly 400-500 km/hour according to used engine.

Price-induction jet looks nice for that purposes : 
At Take Off Power, you can get up to 255daN, consuming 80kg/h of fuel for the DGEN 380 and 330daN with 100kg/h fuel consumption for the DGEN 390.

www.price-induction.com

of course - this kind of aircraft cannot be called Ultralight, although its empty weight could be  very similar

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News
Rider 003 wing strength test with LAA asistance Print E-mail
Written by Jaroslav Dostál   
Thursday, 28 April 2005 00:00
Rider 003 wing was tested for ultimate positive loads â?? positive gust by Vc. These proofs were done with assistance of administration and technicians of LAA (Amateur Aircraft Association of Czech Republic), GRYF stressmens and producer. After 150% load = 1180 kg wing structure returned back without any really measurable permanent deformation.
 
AERO 2005 Fridrichshafen Print E-mail
Written by Jaroslav Dostál   
Monday, 25 April 2005 00:00
From 21-th to 24-th April Czech aircraft MD3 Rider produced by GRYF aircraft s.r.o. was introduced on the international airshow AERO 2005 Fridrichshafen - first time outside of Italy. MD3 Rider seems to be interesting for a lot of abroad customers, potential dealers and international press representatives (in the picture You can see Dan Johnson , known for European readers from articles in Kitplanes, Experimenter or Sport Pilot magazines - see www.bydanjohnson.com).
 
Rider 003 wing negative load strength test Print E-mail
Written by Jaroslav Dostál   
Tuesday, 19 April 2005 00:00
Rider 003 wing was tested for ultimate negative loads. After 150% load = 577,6 kg wing structure returned back without any permanent deformation.
 
RIDER drop test Print E-mail
Written by Jaroslav Dostál   
Tuesday, 23 November 2004 00:00
MD3 Rider drop test was done according to regulation loads from Czech UL2/2 and Germany LTF requirements. After it was approved for 480kg weight without any deformations, we repeat it from bigger height, equivalent weight increasing to 120%, adequate to LSA limits for 600kg.
 
003 final rear fuselage strength test Print E-mail
Written by Jaroslav Dostál   
Wednesday, 13 October 2004 00:00
003 was strength tested in test bed for ultimate loads according to Czech UL2/2 and Germany LTF requirements:
- Rear fuselage test for ultimate combination loads
- Rear fuselage test for ultimate symmetrical loads
All these loads was created in test bed by sand bags, checked by digital loads measurement. Result - OK, no continuing deformation till max. operational loads. Continuing deformation after 100% of ultimate loads were in “measurement mistake” range - and in fuselage rear cone only. We will increase strength by reinforcing of fuselage rear strength system to 120% for next serial production. In the same time we have aircraft empennages calculated for VD 300 km/hour, to have possibility to increase speeds in next aircraft models.
 
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