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grams/m²
P/N
Double twill 2/2
200 Interglas 98141
Cramer 452 T
Interglas Textil Gmbh
Interglas Technologies AG
BenzstraBe 14. D-89155 Erbach
Germany
C.Cramer & Co
Postfach 1163 48613 Heek-Nienborg
Weberstrabe 21 Germany
DA20-C1 AMM
Standard Practices
And Structures
Doc # DA201-C1
Rev. 14 51-00-00 Page 9
30 Oct 2008
Approved Materials, Suppliers con’t
Product Part Number/Description Manufacturer Supplier
PVC Rigid
Foam H060 Divinycell Divinycell
Aerosil Aerosil 200 3M
Stochem
106 Summerlea Road
Brampton, Ontario,
L6T 4X3
Microballoons K20 3M
Ashland Chemical Canada
10515 Rue Notre-Dame
Motreal, PQ H1B 2V1
Cotton Flocks Quarry Hill
Foundry
Quarry Hill Foundry
Supplies
1262 Mcdougall Street
Windsor Ont N8X 3M7
Primer EP689 White
Epoxy Primer Hardener PA897
Reducer speed dependant on
Application Climate
BASF
Primer / Primer DP20
Surfacer
(High Build) Hardener PH60
BASF
Paint RAL 9016
Hardener DH46
Exterior
Topcoat
UNO-HD Reducer speed dependant on
Application Climate
BASF
Beige #1501A
Hardener DH46
Interior
Topcoat
UNO-HD Reducer speed dependant on
Application Climate
BASF
Interior
Texture
Material
Paint 1109-1240/4 Glasurit
Paint SC80
Hardener DH46
Instrument
Panel Flat
Black
UNO-HD Reducer type dependant on
Application Climate
BASF
Paint N56582T508
Clear Coat 432-0303
Fire Retardant
Paint
Hardener N39/1327
(use for clear coat only)
PRC-Desoto
PRC-Desoto International
Hein-Sass-Weg 29
D-21129 Hamburg-
Finkenwerder
Standard Practices
And Structures
DA20-C1 AMM
Page 10
30 Oct 2008 51-00-00 Doc # DA201-C1
Rev. 14
Approved Materials, Suppliers con’t
Product Part Number/Description Manufacturer Supplier
Interior
Baggage
Compartment
Speckled
Paint
Multispec
Color MS86-3076
Nightspots
Multicolor
Specialties
Multicolor Specialties
2101 South 54th Avenue
Cicero, IL 60804-2209
DA20-C1 AMM
Standard Practices
And Structures
Doc # DA201-C1
Rev. 1 51-60-00 Page 1
24 Mar 1999
CHAPTER 51-60
CONTROL SURFACE BALANCING
1. General
This section tells you how to weigh and balance the control surfaces. Refer to Chapter 06-00 for
values of weight and balance for each control surface.
WARNING: YOU MUST WEIGH AND BALANCE A CONTROL SURFACE AFTER
ANY WORK WHICH COULD AFFECT ITS WEIGHT OR BALANCE.
OUT-OF-BALANCE CONTROL SURFACES CAN FLUTTER AND
CAUSE STRUCTURAL FAILURE.
Correct control surface balance is critical to flight safety. You must remove a control surface to
weigh and balance it after:
− Any repair to the control surface.
− Painting the control surface.
− Any report of control vibration in flight.
You can use any convenient method to weigh a control surface. If you use anything to connect the
weighing device to the control surface, you must weigh it separately. Then subtract its weight from
the total value. For example, you use a sling to lift a flap with a spring balance:
− Weight of the flap and the sling = 4.3kg
− Weight of the sling = 0.6kg
− Weight of the flap = 4.3 - 0.6= 3.7kg
When you balance a control surface, the pivot axis must be horizontal. We recommend that for the
flaps, ailerons and elevator, you put a 6.4mm (1/4 in) rod through the hinge bearings. Support the
rod at 2 points to keep it horizontal.
2. Control Surface Balance
Figures 1 to 4 show you how to balance each control surface. Use a spring balance to measure the
force needed to hold the control surface horizontal as shown in the Figure. Measure the arm from
the trailing edge where the tape is, to the pivot axis. The moment is the force measured by the
spring balance x the arm. Note the optional method for the flaps.
Standard Practices
And Structures
DA20-C1 AMM
Page 2
30 Apr 2009 51-60-00 Doc # DA201-C1
Rev. 15
Figure 1: Rudder Static Balance
DA20-C1 AMM
Standard Practices
And Structures
Doc # DA201-C1
Rev. 1 51-60-00 Page 3
24 Mar 1999
Figure 2: Elevator Static Balance
Figure 3: Aileron Static Balance
Standard Practices
And Structures
DA20-C1 AMM
Page 4
24 Mar 1999 51-60-00 Doc # DA201-C1
Rev. 1
Figure 4: Flap Static Balance
　
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