Stem S15

Stem S15
Type:	Motor sailer
Design country:	BR Germany
Manufacturer:	Stemme
First flight:	unmanned: June 2009

The S15-1 variant of the Stemme ASP is an EASA CS-23 certified motorized aircraft that can be used for remote sensing, research and monitoring. Manufactured in Strausberg by the German Stemme AG.

history

The Stemme ASP S15-1, which is a completely new development, was presented at the ILA 2000.

In October 2008, the development of the first optionally unmanned / manned aircraft began under the direction of Markus Wagner and Phillip Scheffel in cooperation with OHB Systems GmbH and Sagem from Bremen . In June 2009, the Stemme S15 Dual Mode flew without a crew for the first time. A Sagem Patroller version of the aircraft flew unmanned reconnaissance missions on behalf of the French Interior Ministry during the forest fires in Istres in 2010

In March 2012, the automatic landing system LAPAZ (“Air Work Platform for General Civil Aviation”) was tested in cooperation with the Technical University of Berlin and the University of Stuttgart .

construction

The cantilevered shoulder wing aircraft with a three-part structure has flaps, Schempp-Hirth airbrakes on the top of the outer wings and winglets . Two load suspension points under the inner support surface can each be loaded with 80 kg. A conventional T-tail unit in FRP construction includes an elevator with a trim tab.

The crew is sitting next to each other in the forward fuselage in CFK / GFK -Verbundbauweise. A Rotax 914 F2 motor in the tubular steel framework construction behind it drives a three-bladed Mühlbauer MTV-7-A controllable pitch propeller with a 1.7 meter propeller diameter in the tip of the fuselage.

The tricycle landing gear can be retracted hydraulically.

Versions

S15 Condor (only a prototype) - surveillance and reconnaissance aircraft ( OPV ) with relay radio station for data transmission over a range of 400 km

S15-1 (series production) - Commercial aircraft equipped according to customer requirements, EASA CS-23 approved, 1100 kg MTOW

Sagem (Safran) Patroller - unmanned reconnaissance aircraft with triple redundant flight control system, a Euro flir -410 camera system and communication equipment for real-time data transmission over a distance of up to 400 kilometers. From 2018,15 Patrollers will bedeployed to the French Army's reconnaissance command.
Helix ISR - surveillance and reconnaissance aircraft ( OPV / UAV ), Hensoldt Argos II HD on the right under the cockpit, data link in the system with ground station

Patroller in Paris 2013

Technical specifications

Parameter	S15-1	Sagem Patroller
crew	1-2	0
length	8.52 m
span	18.00 m
height	2.45 m
Track width / wheelbase	2.00 m / 2.00 m
Wing area	17.40 m²
Wing extension	18.6
Glide ratio	34
payload	~ 350 kg
Empty mass
Takeoff mass	Max. 1100 kg
Operating speed	90-270 km / h
Top speed	270 km / h	314 km / h
Service ceiling	7,600 m (25,000 ft)
Range	1,300 km 2,500 km with external additional tanks	~ 30 h flight time
Tank volume	2 × 65 l (optional 250 l external)
Engine	a Rotax 914 F2	a Rotax 914 F
Starting power	84.5 kW at 5800 rpm (1 min)	84.5 kW at 5800 rpm (1 min)
Continuous output	73.5 kW at 5500 rpm	73.5 kW at 5500 rpm

Web links

S15 on ecarys.com, accessed July 30, 2019

Individual evidence

↑ ^a ^b ^c ^d Rainer Schmid: Dual-mode aircraft from Stemme . In: Fliegerrevue . No. 8 , 2011, p. 30th f .
↑ TU Berlin lets motor gliders land automatically. Elektronik-Praxis, March 30, 2012, accessed July 30, 2019
↑ ^a ^b Type-Certificate Data Sheet EASA TC No. A.612. (PDF; 50 kB) In: easa.europa.eu. EASA, October 15, 2013, accessed on April 23, 2016 .
↑ FlugRevue, October 2010, p. 65, France is testing Sagem Patroller
↑ Karl Schwarz: Sagem Patroller for the French Army. In: Flugrevue.de. April 5, 2016, accessed July 30, 2019 .
^ Platform. Retrieved February 28, 2020 (UK English).
↑ ^a ^b ^c ^d ^e ^f Aircraft Platform ES15. (No longer available online.) In: ecarys.com. Archived from the original on May 6, 2016 ; accessed on May 6, 2016 .
↑ Correction to article in edition 8/2011, p. 30f. according to the reader . In: Fliegerrevue . No. 9 , 2011, p. 63 .

[fliegerrevue2011-8-1] Rainer Schmid: Dual-mode aircraft from Stemme . In: Fliegerrevue . No. 8 , 2011, p. 30th f .

[2] TU Berlin lets motor gliders land automatically. Elektronik-Praxis, March 30, 2012, accessed July 30, 2019

[TCDS-3] Type-Certificate Data Sheet EASA TC No. A.612. (PDF; 50 kB) In: easa.europa.eu. EASA, October 15, 2013, accessed on April 23, 2016 .

[4] FlugRevue, October 2010, p. 65, France is testing Sagem Patroller

[5] Karl Schwarz: Sagem Patroller for the French Army. In: Flugrevue.de. April 5, 2016, accessed July 30, 2019 .

[6] Platform. Retrieved February 28, 2020 (UK English).

[ecarys-7] ↑ ^a ^b ^c ^d ^e ^f Aircraft Platform ES15. (No longer available online.) In: ecarys.com. Archived from the original on May 6, 2016 ; accessed on May 6, 2016 .

[8] Correction to article in edition 8/2011, p. 30f. according to the reader . In: Fliegerrevue . No. 9 , 2011, p. 63 .