Glaser-Dirks DG-500 ELAN Trainer Technical specifications

1
Glaser-DlrksFlugzeugbau GmbH
Im Sohollenga~ten 19-20
7520 Bruohsal 4, W.-Germany.
Tel.: [phone] or $910
Telex.: 7822410 gldg d
Tele~ax:07257/8922
rl. I G H T M..1 If D A L
f'or the
SAILPLAI'E
• Mikael Larsson~ Besiklningsing.
.Segelflygmaterlel
FOr WFTFARTSVERKET
If
ELAN Trainer
Model: DG-500 ELAN TRAINER
German Data Sheet No.: 348
Factory.Serial No.:
Registration No.:
Date o~ Issue:
5£55722.
5£ -uo};<
Deoember 1990
Pages as indicated by "App. ,.are approved by:
(Signature)
(Authority)
(Stamp)
(Original date o~ approval) O_7._D_ez_,_'9_9_0 _
This sailplane Is to be operated in compliance with in-
formation and limitations contained herein.
The original German Language edition of this manual has
been approved as operating instruction aooording to
"Paragraph 12{ 1) 2. of. Luft-Ger Po".
Approval of translation has been done by best knowledge
and judgement. In any case the original text in German
language is authoritative.
0.0

Flight Manual DG-SOOELAN TRAINER
0.1 Record of revisions
Any revision of the present manual, except actual weighing data, must be
recorded in the following table and in case of approved sections endorsed by the
responsible airworthiness authority.
The new or amended text in the revised page will be indicated by a black
vertical line in the right hand margin, and the Revision No. and the date will be
shown on the bottom left hand of the page.
Rev. Affected
Description
Issue
LBA
Inserted
No. pages/ Date
Approval
Date
section Date
Signature
10.3,2.8, IN 348/1T
Mar. 92
31.03.92
2.9,4.8 20.4,7.2 IN 348/3T
Oct. 92
08.12.92
3
0.3,1.2, TN 348/4TOct. 9426.10.94
4.14 4 0.3,0.4,
IN 348/9
Oct. 97
26.11.97
1.3,4.1 , 4.2,4.3,5.2,5.5,5.6,6.2,
6.4,6.7,
7.1,7.9,
7.10
5
0.3,0.4,
IN 348/15
Jan. 01
07.02.01
4.5,7.7, 8.2
0
,.,c.
N 348/16
February
25.£)') AA
,.,Parki
iggott-hook
Issued: February 2004 TN 348/16 0.1

0.1
Flight manual DO-500 ELAN TRAINER
lRev. Aff.ated Description
llo. Pagesl
section
Issued: see last item
Issue LBA
Date Approval
Date
Inserted
Date
S1gnature
0.2

Flight Manual DG-500 ELAN TRAINER
0.2 List of effective pages (cont.)
Section
page
issued replacedreplaced
4
App.
4.16
May 90
55.1
"
5.2 Oct. 97
l5.3
App. 5.4 5.5 Oct. 97
5.6 Oct. 97
6
6.1
6.2 . Oct. 97
6.3 6.4 Oct. 97
6.5 6.6
6.7 Oct. 97
7
7.1 Oct. 97
7.2 Oct. 92
7.3 7.4
7.5 Febr.04
7.5a Febr.04
7.6 7.7 Jan. 01
7.8 7.9 Oct. 97
7.10 Oct. 97
8
8.1
May 90
8.2 Jan. 01
8.3 8.48.5
9
9.1
May 90
Issued: February 2004 TN 348/16 0.4

Flight manual
0.3, Table of oontents
DG-50C ELAN TRAINER
Section
General (a non-approved section)
Limitations (an approved section)
Emergency procedures (an approved section)
Normal procedures (an approved section)
Performance (a partly approved section)
Mass (weight) and ba~ance
(a non-approved section)
Sailplane and systems description
(a non-approved section)
Sailplane handling, care and maintenance
(a non-approved section)
Supplements
Issued: May 1990
2
3
4
5
6
7
8
9
0.5

Flight manual DG-500 ELAN TRAINER
Section
1.. General
1.1
Introduction
1.2
Certification
basis
1.3
Warnings,
cautions
andnotes
1.4
Descriptive data
, .5
Three view drawing
Issued: May 1990 1.1

Flight manual
1.1 Introdu~tion
DG-500 ELAN TRAINER
The sailplane flight manual has been prepared to
provide pilots and instructors with information for
the safe and efficient operation of the 00-500 ELAN
TRAINER sailplane.
This manual inoludes the material required to be
furnished to the pilot by JAR Part 22. It also con-
tains supplemental data supplied by the sailplane
manufacturer.
1.2 Certification basis
This type of glider has been approved by the
Luftfahrt-Bundesamt (LBA) in accordance with:
JAR Part 22 sailplanes and powered sailplanes
Change 4, issued 7th May, 1987.
The Type Certificate No. 348 has been issued on
December 7th 1990.
Category of Airworthiness: "Utility" or "Aerobatic"
if equipped properly.
Issued: Oct. 1994 1.2

Flight manual DG-500 ELAN TRAIW....R
1.3 warnings, cautions and notes i
The following definitions apply to warnings, cau-
tions and notes used in the flight manual.
lWarning:
Caution:
Note:
means that the non observation of the
corresponding procedure leads to an
immediate or important degradation of
the flight safety.
means that the non observation of the
corresponding procedure leads to a
minor or to a more or less long term
degradation of the fli~ht safety.
draws the attention on any special item
not directly related to safety but
which is important or unusual.
!
I
Issued: October 1997 TN 348/9T 1.3

Flight manual DG-500 ELAN TRAINER
1.4 Descriptive data
The DG-500 ELAN TRAINER is a twoplace high perfor-
mance sailplane.
- automatic hook ups for all controls
- comfortable seating and modern oockpit design
similar to the DG-single seaters - safety cockpit
- large 2 piece canopy for very good inflight visi-
bility
- draught free canopy demist and 1adjustable swivel
air vent for.each pilot
- sealed airbrake- and landing gear box
- complete set of controls 1n each cgckpit
- a choise of retractable or fixed main wheel, both
spring mounted
- nose wheel and tail wheel
- ~arbonfibre wings
TECHNICAL DATA
wing span 18
m59
ft
wing surface 16.6m2 179
ftZ
aspect ratio 19.5
length 8.66m28.4
ft
fuselage width 0.73
m2.4
ft
fuselage height 1.00
m3.3
ft
horizontal tailplane
span
3·11m10.4
ft
empty weight ca.390~
kg 860
Ibs
max. TOW 615kg 1356
Iba
wing loadlng(payload 80 kg, 116 Ibs) ca.
28.3
kg/m2
5.8
Ibs/ftl!
wing loading max. 31
kg/m2
7.58
Ibs/ft2
Issued: May 1990 1.4

1.5
Flight manual DG-500 ELAN TRAINER
3view drawing
Issued: May 1990 1.5

Flight manual DG-500T ELAN TRAINER .!
i
j
Section 2
2. Limitations
2.1 Introduction
2.2 Airspeed.
2.3 Airspeed Indicator Markings
2.4 Section not effective
2.5 Section not effective
2.6 Section not effective
2.7 Weight
.2.8 Center of Gravity
2.9 Approved manoeuvres
2.10 Manoeuvring load factors
2.11 ~light crew
'2.12. Kinds of operation
2.13 Minimum equipment
2.14 Aerotow and Winch- and Autotow - launching
2.14 .1 Weak links
2.14.2 Towing cable
2.14.3 Max. towing speeds
2.14.4 Tow Release
2.15 Cross wind
2.16 Tyre pressure
2.17 sectiOn not effective
2.18 Section not effective
2.19 Limitations Placards
Issued: May 1990 2.1

Flight manual
2.1 IntroductioD
DG-500T ELAN TRAINER
,.---..
,--,
Section 2 includes operating limitations, instrument
markings and basic placards necessary for safe
operation of the sailplane, its standard systems and
standard eqUipment.
The limitations included in this section have been
approved by the LBA~
Issued: May 1990 App. 2.2

Flight manual
2.2 Airspeed
DG-500 ELAN TRAINER
Airspeed limitations and their operational signi-
ficance are shown below:
Speed (IAS) Remarks
km/h(kts)
VNE Never exceed
speed
flaps 00 up to
_lOo
270
( 146) Do not exceed this speed
in any operation and do
not use more than 1/3 of
control deflection.
VT ·Maximum aero-
towing speed
Maximum winch- 140
launching speed ( 76)
VRA
VA
vw
VLO
Rough air speed
Manoeuvring
speed
Maximum landing
gear- operating
.speed
205
(111)"
205
( 111)
205
(111)
205
(111)
Do not exceed this speed
except in smooth air and
then only with caution
Rough air is in lee-wave
rotor, thurlderclouds etc.
Do not make full or abrupt
control movement above
this speed, because under
certain condition the
sailplane may be over-
stressed by full control
movement.
Do not exceed this speed
during winch- or
auto-tow-launching
Do not exceed this speed
during aerotowing
Do not extend or retract
the landing gear above
this speed
Warning: At higher altitudes the true airspeed is
higher than the indicated airspeed, so VNE is"
reduced with altitude see sect. 4.5.9.
Issued: May 1990 App. 2.3

Flight manual DG-500 ELAN TRAINER
2.3 Airspeed Indicator Markings
Airspeed indicator markings and their calor code
significance are shown below:
Marking
Green Arc
(rAS) value or
range
km/h (kts)
80 205
(113 "1)
Significance
Normal Operating Range
(Lower limit is maximum
weight 1.1 VS, at most
forward C.g. with flaps
neutral. Upper limit is.
rough air speed.)
Yellow Arc
Red L1ne
Yellow
Triangle
205
( 111
270
(1116)
100
( 54)
270 Manoeuvres must be con-
ducted with caution and
146) only in smooth air.
Maximum speed for all
operation5.
Approach speed at maximum
weight
Issued: May 1990 App. 2.4

Flight manual
2.7 Mass (weight)
DG-500 ELAN TRAINER
Maximum Take-Off mass:
Maximum landing mass:
615 kg, 1356 lba
615 kg, 1356 Ibs
-~ Maximum mass of all
non lifting parts =435 kg (959 lba)
Maximum mass in baggage
compartment =15 kg( 33 lbs)
Caution: Heavy pieces of baggage must be secured
to the baggage compartment rloor (screwing
to the floor or with belts). The max. mass
secured on one half of the floor (left and
right of fuselage centre line) should. not
exceed 7,5 kg· (16.5 lbs).
Warning: Follow the loading procedures
see sect. 6.
2.8 Cent er
or
gravity
Center
of
gravity
range
in
flight is
185 mm
(7.28 in.)
up to
480 mm (18.9
in. )
behind datum.
datum
=wing leading edge at the
rCiotrib
reference line =aft fuselage centre line horizontal
C.G. diagrams and loading ohart see sect.5.
Warning: Flying is only allowed with the battery
Z 07 installed in the fin as otherwise the forward
C.G. limit may be exceeded.
2.9 Approved manoeuvres I
Airworthiness category IIUt111ty":
This sailplane is certified for normal gliding and
simple aerobatics.
The following aerobatic manoeuvres are approved
see sect. 4.5.12:
Manoeuvr~
recommended
entry speed
rAS
km/h kts
Spins II
Inside Loop 200
10B
Stall Turn 200
108
Lazy Eight 200lOB
Chandelle 200108
Issued:
May 1990 App.
2.5

..
. 'Fligbtliiilnlla:l, .'DG-~OO ..'.ELl\N .'1'RAIN~R ,
."
··:~rr~;ri:e.::~~:~:~:';o!~:~~~~r:~~:'~~~~;MHht~',:.
an4: ..'~ .. ".. ',' ' ,...... '.'
Inverte dnigtit,;~co!DD.ieMt!,d. spe~d ,.
.'~' '.". ~.--'" 130~200 ...kinlh J7tt"-,10"S .~~~)
sio~ toll • 'entr:yspe~ds' ..,. '. ,
.' " ." ,'_ '>f$0;';200kmjh(97':':fOB ,kts)
HElif,I"i'11 and. h~l:r,lQ~p 150-110 kiillh (8~h92kt'$r
,fIa.lf lo.op~.odtial:t i'~ll •..220'k:iii/li (119litsf .
... .' . . .. .. '. ~..'. '.. '. '. -.. .--.
2. 10 ~_.~beiJyeriJ1.~ib~4:'ta~~o~~' .•...
The: fQJ,.i~tl:i"ng. itiad f~q:i~rs' ~iind~' t~·be,. ~;cqe~ded,:,'.....
.•..~~gf~:~;~~n:';;f;~"~!,~l~!~a=j:t~··tft~~r·.
2.,11:Fi!gh~ ..,ct'e1t,".: ....,.':.. .
:~x~~ii~';~iri~~~t'~ron~,seat ..· 110 kg :2421bs .
. mir!~ 1,q,aCl.in ,t.~efl'otit~e~t' see placard 'incdck-, .
. . pit ,'and' iI~:t.ghi,pg rEl~
. ,port page':6.5
.... ,'.
b) two.se~ted .. ',. .... .'... "
m'ax,CiOO1<pit 108,d.",is .210' kg'T463'il?~)witl1 Ei,' !pax.
of' 105 kg (2311"5)41 'the f'root s~4t;'or-1tO' Iq;!;
.(24? 1bll) in tij,e frQr-tseat antl90kg (198 Ib!;l) .in
the rear seat. .' .' . , ..... ' '.. ' ',. , . "
.'mln~ c6:ckpit load' in the .frortt '$~at is the .min. '
oockpit load see' a}minus 40% of' the ioad in the '
rear . seat; this" m-e~tls th~j;."O',kg' '(221 be) 'in.~he ' ..
r~arseat replac~~ 4,kg(8.S IiJs) m.1.!!sing.cockpit
load in the t'ron.t;sea t. ..' ....
Wit~ thes~' lOl;lds, j;h~' i::~G.'r~p.$eglveb und.~r i.a
will b~kept in the limits if the ei!l,pty wej.ght
·C~G.is,lnitSlimhs..' .,'. .
, see~loadj,ng' chart in sect. 6. ~
C~uuori:,With lO~~~ pilot 'Weights the ne~es~ary
lea" bailal!itmust b,~added" too tne seat.
Balla.'st: put' 90'thesea:t (lead ballast
CUshion) must be .fasj;;e,·neC!at the safety'
belt anbh,!rat,e p'oint./J. . . ",
llistallatfon~o,r ,iemOVi'lble trim balla!3t
. see sebt. 7.16;1~
Note:, For Australia theIil1I).10a,d, in the cO'cIq,l t
.' should not exce~d' 66 kg (146 .Ibs). A provision· .
for removable baiiast $ee sec t. 7. 16.1 is man,-
datory ~.
Issued: May 1990 App.2.6
.1

Flight manua.l DG-500 ELAN TRAINER
2.12 Kinds or operation
- Flights according to VFR (daylight)
- Aerotow
- Winch- and auto-launching
- Cloud flying (daylight); permitted when properly
inatrumented (aee. below).
- Simple aerobatics See sect. 4.5.12 (Category
Utility)
- Aerobatics see aect. 4.5.12 (Category Aerobatic)
if properly instrumented (see below)
Note: Cloud flying is not permitted in the USA,
Canada and Au~tralia.
--. 2 •13 Minimum equipment
As minimum equipment only the instruments and
equipment specified in the equipment list (see
maintenance manual) are admissible.
Note: The actual equipment list is filed in the
enclosures of the maintenance ~anual.
a} Normal operation
Airspeed indicator
Range: 0-300 km/h (0-165 kts)
Speed range markings see sect. 2.3
Altimeter
Altimeter with fine range pointer,
1 turn max. 1000 m (3000 ft.)
Magnetic compass (compensated in the aircraft,
only required in Canada)
Four p~eoe symmetrical. sarety harness
VHF - transceiver (ready for operation) with
noise absorbing earphones
Battery Z 01 installed in the fin
Parachute automatic or manual type or a back
cushion approximately Bcm ( 3in.) thick.
Required plaoards, check 1.1sts. and th18fl~ght
manual
b} In addition tor cloud r11~ (Not permitted in
the USA, Canada and Australia)
Magnetio Compass (compensated in the aircraft)
Variometer
Turn and ba~k indicator
Remark: Experience has shown that the installed-
airspeed indicator system may be used for cloud
flying. .
c) In addition 'for aerobatics
Airworthiness category "Aerobatic";
Accelerometer capable of retaining max. and
min. g-values with markings red radial lines at
+7 gand -5 g.
Sarety bows at the rudder pedals (standard
equipment)
Issued: May 1990 App. 2.7

Flight manual DG-500 ELAN TRAINER
2.14 Aerotow. winch and autotov launahing
2.14.1 Weak links
10 000 N
2 200 lbs +10')1,
+lQ1.
2.14.2 Length ot the towing cable
for aerotow 30-70 m (96 - 225 ft)
Material: hemp- or plastic fibres
2.14.3 Max. towing speeds
Aerotow
Winch- and auto tow
.•.
VT =205 km/h.
VW =140 km/ b. 111 kts
76 kts
2.14.4 Tow Release
The C.G. tow release (installed in front of the
main wheel) ls suitable only for ¥inch- and auto
launching.
The nose hook 1s to be used only for aerotow.
2.15 Crosswinds
The maximum crosswind component aocording to the
airworthiness requirements for take-off and lan-
ding is 15 km/h (8 kts).
2.16 Tyre Pressure
Main wheel
Nose wheel
Tail wheel
2.5 bar
2.5 bar
4 bar
36
36
58
psi
psi
psi
Issued: Maroh 1992 TN 348/1 T App. 2-.8

Flight manual
2.19 Limitations placards
DG-500 ELAN TRAINER
TJPI: DCJ.IODIELAN Trainer V•• otCDMIrVlltIDflI
_-lIE TI I I
••••• mum ••,.,.. IDftIIl 1ltI.
=-...... ~~: 1~:
I18nM1M1ngV.. .01 HD
Roug"air 101 11D
•••••••••• .,..... IDI 1tD
II1uIl'lMllapelldV. 170 ,.
Ajlprond MnIIlIllIc __ f.ldIIgory utility Uh
••••• 1JIDp. IllIn Tum, CIWIdIIIa, Ipln
In IlIdRlcn IIIltIltIIY A:
1UI111llJlPanCll'lan roll, IIall roll andlUlll iDop, ,IOW I'DD.
IIWIlNCI night
IIIultIun mIIUI f1,kg (1311IbI.)
Lt••••••••••••
.•.•..---
r·•••f ••• "'r ••••
-
..-
-no
101 IHI'"
I 11:11111I.
I ••• •0 I1'11b.
101 to Ila1""
- -1- Gepickmu. 15kg
Baggage max.33/bs.
Relfendruct 2.5 bar
~ pressure 3S psi
nose wheel
Relfendruck 2.5 bar
1Jre pressure 36 psi
AJI. m . Q.2OllO
VHE KIIlIh 270
All. ft D-66OlI
VNE KII 146
3DDD
2S8
,??OO
138
4Dl1O 5000 &aDlI
243 230 218
13DlJO 180llD 2ODDO
131 124 117
main wheel
SolJbruchstelIB 10000 N
Rated lORd 22DO1bI.
Other cockpit. placards see sect. 7.
Relfendruck 4bar
TYre pressure 58 psi
tail wheel
Issued: March 1992 TN348/1 T App. 2.9

Flight manual DG-500 ELAN TRAINER
Section 3
.-----
3.
Emer-gency procedures'
3·1
Intr-oduction
3.2
Canopy jettison
3·3.
Bailing out
3.4
Stall
recovery
3.5
Spin recovery
3.6
Spiral
dive recovery
-
3.7 Recovery from unintentional
cloud
flying
Issued: May 1990 App. 3.1