Schempp-hirth flugzeugbau Ventus-3t sport Technical specifications

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

FLIGHT MANUAL

for Powered Sailplane

Model: V e n t u s – 3 T

Edition: S p o r t

Serial-No.:

Registr.-No.:

Date of issue: A p r i l 2 0 1 8

This flight manual has been approved by EASA with

“Type certificate EASA.A.627” on July the 20th, 2018

This powered sailplane is to be operated in compliance with information and limitations

contained herein.

Approval of translation has been done by best knowledge and judgement.

In any case the original text in German language is authoritative.

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 0.1.1

0.1 Record of revisions

Any revisions of the present manual, except actual weighing data, must be

recorded in the following table.

The new or amended text in the revised page will be indicated by a black vertical

line in the left hand margin, this line highlights the last amendment on each page.

Revision number and its date will be shown on the left hand side of the bottom of

the page.

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

0.1.2

0.1 Erfassung der Berichtigungen/Records of revisions

Lfd. Nr. der

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1 0

0.1.2

0.2.4

4.5.3.2

Dez. /

Dec.

2019

TM 627-1

Änderung des Flughandbuchs und des

Wartungshandbuchs

TN 627-1

Amendment of the Flight Manual and

the Maintenance Manual

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

Hinweis: Nicht eingefügte Berichtigungen sind zu streichen.

Das Verzeichnis der Seiten ist gegebenenfalls handschriftlich zu aktualisieren.

Note: Cross out revisions which are not included.

The list of effective pages must be amended by hand if necessary.

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

0.2.1

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April 2018

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

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ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

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April 2018

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

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CS 22 4.5.4.6

April 2018

December 2019

April 2018

TN 627-1

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

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April 2018

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

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April 2018

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

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April 2018

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLUGHANDBUCH/FLIGHT MANUAL

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7.10.1

7.11.1

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7.12.1.1

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April 2018

ÄB / MB: Änderungsblatt – Modification Bulletin

TM / TN: Technische Mitteilung – Technical Note

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 0.3.1

0.3 Table of contents Section

General 1

Limitations 2

Emergency procedures 3

Normal procedures 4

Performance 5

Weight & balance 6

Aircraft and

systems description 7

Aircraft care,

maintenance and servicing 8

Supplements 9

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.0.1

Section 1

1. General

1.1 Introduction

1.2 Certification basis

1.3 Warnings, cautions and notes

1.4 Description and technical data

1.5 Three-side view

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.1.1

1 General

1.1 Introduction

This Flight Manual has been prepared to provide pilots and instructors with all

necessary information for the safe and efficient operation of the powered sailplane.

This manual includes at first all the material that needs to be provided to the pilot

according to EASA airworthiness code „CS 22”. It also contains supplemental data

and operating procedures which could, in the manufacturer´s opinion, be useful for

the pilot.

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.2.1

1.2 Certification basis

This non-self-launching powered sailplane, model designation

V e n t u s - 3 T

has been approved by the European Aviation Safety Agency (EASA) in

compliance with the airworthiness requirements contained in

CS-22, Amendment 2, dated March the 5th, 2009.

The Type Certificate is No. EASA.’A.627 and was issued on

July, the 20th 2018

Category of Airworthiness: UTILITY

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.3.1

1.3 Warnings, cautions and notes

Particularly important statements in this manual regarding flight safety are preceded

by one of the following terms

„WARNING“ means that the non-observation of the indicated procedure

leads to an immediate or important degradation of the flight

safety

„CAUTION“ means that the non-observation of the indicated procedure

leads to a minor or to a more or less long term degradation of

the flight safety

„NOTE“ draws the attention on any special item not directly related to

safety, but which is important or unusual

“CS 22” Pages marked with CS 22 at the lower right side contain only

information required from CS 22.1583 through CS 22.1587(a).

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.4.1

1.4 Descriptive data

1.4.1 Descriptive

The “Ventus-3T” is a flap equipped, single-seat high performance powered sailplane

built from fiber reinforced plastic (FRP), featuring flaps and a T-tail (fixed horizontal

stabilizer with elevator, fin and rudder).

Wing

The six-piece wing with winglets is four-stage trapezoid in planform with triple-panel

“Schempp-Hirth” type airbrakes on the upper surface. The flaps are full-span and

act at the same time as ailerons.

The water ballast tanks are integral compartments in the forward section of the

wing. Every right and left wing contains 3 water ballast tanks. The water ballast tank

in the outboard panel is connected to the next tank in the inboard wing panel.

During rigging, the outboard tank is connected automatically to the inboard panel.

Their total capacity is approx. 178 liter (47.0 US Gal., 39.1 IMP Gal.).

The wing shells are a CFRP/foam-sandwich construction with spar flanges of

carbon fiber rovings and shear webs made from GFRP/foam-sandwich.

Fuselage

The pilot has a semi-reclined position in the comfortable cockpit. The one-piece

canopy hinges sideways and opens to the right.

The cockpit region is constructed as a Kevlar/carbon/glass fiber laminate in order to

achieve a high energy absorption.

The aft fuselage section is a pure carbon fiber (non-sandwich) shell for high

strength. The stiffening of the fuselage shell is made in the aft fuselage cone by

carbon fiber bulkheads and glass fiber webs. In the cockpit area the stiffening is

done by a double fuselage shell at the side with integrated cockpit frame and

seatpan supports.

The spring-suspended main landing wheel is retractable an features a hydraulic

disc brake. The tail wheel is fixed.

Horizontal tailplane

The horizontal tailplane consists of a fixed stabilizer with elevator. The elevator trim

is adjusted automatically when actuating the flap.

The stabilizer is a GFR /foam-sandwich construction, the elevator halves are a pure

CFRP shell.

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.4.2

Vertical tail

Fin and rudder are constructed as a GFRP/foam-sandwich.

On request a water ballast trim tank with a capacity of 7.8 liter (2.06 US Gal.,

1.72 IMP. Gal.) can be integrated in the fin.

The dumping valve in the water ballast trim tank in the vertical fin is linked to the dump

valves of the middle wing water ballast tanks.

Controls

Rigging the wing panels and the tail will automatically hook up the control surfaces.

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.4.3

Propulsion system

The propulsion system was first developed to avoid outlanding or to overcome zero

lift conditions, but it also can be used to realize soaring safaris or for example to

reach a wave after winch launch or aerotow.

Off-field landings may now be safely avoided and even if the system fails, the sink

rate with the power plant extended is only about 197 to 256 fpm ( 1.0 – 1.3 m/s), so

the “Ventus-3T” still has satisfactory performance.

Extending and retracting the power plant is very simple and is done with the aid of

an electrical spindle drive (actuator).

The installed two-stroke engine is started by the windmilling effect of the multi-blade

folding propeller (by OEHLER). Throttle or choke are not required as the engine is

preset to operate at max. continuous power.

The engine is stopped by shutting off the ignition.

After shutting off the ignition the engine control unit automatically manages the

retraction procedure. The power plant is retracted completely after its complete

stop, regardless of the position of the propeller blades as they fold up automatically.

Except of the control unit, the ignition switch, RPM-indicator, decompression handle

and fuel shut-off valve, no other engine controls are to be observed. Available fuel

quantity is displayed in LITER on the engine control unit.

The power plant (engine and propeller) may be removed in short time if necessary.

The Ventus-3T can afterwards be flown in the pure glider configuration with a

reduced weight.

The remaining components of the power plant system (spindle drive, pylon, fuel

tank etc.) remain in the aircraft as the saving in weight is not worth the efforts in

removing/reinstalling them.

SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“ FLIGHT MANUAL

April 2018

Revision – 1.4.4

Technical Data

Wing Span 18.00 m

59.06 ft

Area 10.84 m²

116.68 ft²

Aspect ratio 29.90

MAC 0.602 m

1.98 ft

Fuselage Length 6.63 m

21.75 ft

Width 0.59 m

1.94 ft

Height 0.76 m

2.49 ft

Mass Empty mass approx. 340 kg

749.5 lb

With power plant 310 kg

removed: 693.4 lb

Maximum all-up mass 600 kg

1322.8 lb

Wing loading 38.3 - 55.4 kg/m²

7.84 - 11.35 lb/ft²

Engine Designation SOLO 2350

Power 15.3 kW at 5500 RPM

Propeller Designation OE-FL 5.83/83 a5, v92

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