All-weather Covers - Hail Protection


Karin and Roland Gminder

Marketing Event Services Ltd.
Haldenstrasse 10
73079 Süssen

Phone: +49 (7162) 94 70 41
Fax: +49 (170) 38 00 713


Surface material

white, high-quality, breathe-active and waterproof surface material, 280 g/m2, EN ISO 2286-2
Ultimate tensile strength (chain/shot): 100/100 daN/Sem EN ISO 1421
Non-fade properties ≥ in accordance with DIN T30-036, QUVTEST lamp UVA340
Temperature area -20°C / + 70°C (-4°F / + 158°F)
Mold fungus-steadily: Grade 0 EN ISO 846-A

Absorption material

(Canopy, Vertical Tail, Transitions)

2.5 mm strong absorption material within the range of canopy, vertical tail and transitions from one piece to the next

Dissociation airplane surface and surface material

antistatic polyester net fabric on the inside for dissociation

Space-Flex Protector (Option)*

high-quality, extruded polyamide fiber
15 mm, strain hardness 10.4 kpH, (tested of LGA Nuremberg)

Space-Flex Protectors can be inserted in prepared module bags (*however to sew the Protectors into the parts is recommended, picture)
Protection of wings, horizontal tail and fuselage against hail and mechanical effects

Net fabric on the lower surface

Net fabric on the underwing for ventilation

Bombardement with Space Flex Protector System

Behavior and effect of the space Flex Protector System by bombardment with ice / hailstone (filmed with high-speed camera)

Testbed CFK-Wing
Projectile Ice / Hailstone
  diameter approx. 25 mm, length approx. 18 mm, weight approx. 16 gram
Printing foil Documentation impact strength and distribution by Fuji Printing Foil

Bombardment 03 Directly on the wing skin without any protection
Speed ca. 55 m/sec., 198 km/h
Result Damage of the wing skin and the supporting foam

Bombardment 04 On Allweather Cover inclusive Space Flex Protector
Speed ca. 52 m/sec., 187 km/h
Result No damages of the wing skin and the supporting foam

Stemme S10-VT, HB-2402, expecting the next thunderstorm.

(C) 2008 - All rights reserved

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