Jairo Despiece Motor y Conjunto
Transcript of Jairo Despiece Motor y Conjunto
-
Exploded View of Engine & Remote Needle Assembly
ITEM DESCRIPTION QUANTITY
1 CRANKCASE 1 OFF
2 CRANKCASE BEARING 1 OFF
3 BARREL 1 OFF
4 CYLINDER HEAD 1 OFF
5 BACKPLATE 1 OFF
6 CRANKSHAFT 1 OFF
7 CONROD 1 OFF
8 PISTON 1 OFF
9 GUDGEON PIN 1 OFF
10 PIN END BUTTON 1 OFF
11 LINER 1 OFF
12 CARBURETTOR BODY 1 OFF
13 CARBURETTOR ROTOR 1 OFF
14 BARREL SPACER 1 OFF
15 NIPPLE 1 OFF
16 NEEDLE VALVE BODY 1 OFF
DRG No.
WF46-0003
WF46-0004
WF46-0005
WF46-0006
WF46-0007
WF46-0008
WF46-0009
WF46-0010
WF46-0011
WF46-0013
WF46-0012
WF46-0014
WF46-0015
WF46-0016
WF46-0017
WF46-0018
Project
R22.5
100
76
25
72
SIDE ELEVATION
38
28
PLAN VIEW
57
FRONT ELEVATION
Engine Specification
Bore - 21mm
Stroke - 18.4mm
RPM - 2,000-10,000
Prop - 11" x 6", 11" x 7"
???????????????????
Remote Needle Valve Assemblywith In-Flight Mixture Control ITEM DESCRIPTION
28
NEEDLE VALVE (O.S. OR CLONE PART)
19 ?????????????????????????????? 2 OFF
20 1 OFF
21 1 OFF
22 M3 X 12 LONG SOCKET CAP HEAD SCREW 4 OFF
23 5 OFF
24 4 OFF
25
26
27
THRUST WASHER (O.S. OR CLONE PART) 1 OFF
PART No.
O.S. No. 24081970
O.S. No. 22020001
??????????????????????????????
??????????????????????????????
M3 X 20 LONG SOCKET CAP HEAD SCREW
M3 X 10 LONG C/SK SOCKET HEAD SCREW
DRIVE WASHER (O.S. OR CLONE PART) 1 OFF O.S. No. 24008000
2 OFFM3 NYLOC NUT
18 18 SWG X 15mm LONG PIANO WIRE PIN 2 OFF
1 OFF
29
30
1 OFFM2.5 X 5 LONG PAN HEAD SCREW (ST.STL)
2 OFFM3 X 16 LONG SOCKET SET SCREW
SERVO HORN (MODIFIED FUTABA) Fut No. FUTM20301 OFF31
ENGINE DIMENSIONS
QUANTITY
17 IN-FLIGHT MIXTURE CONTROL DISC 1 OFF WF46-0019
ASSEMBLED ENGINE
-
View of Completed Crankcase
WF46-0003CRANKCASE
37.5
37.5
18.7
5
61.95
19.35
6.15
6.15
30.0
30.0
15
10.0
16.6
0
32
34.00
25.00
???
23.45
???
25
20.00
28.0
04.
75
18.7
5
15
6.75 R6
6.15
8
8
Section on A-AFront Elevation
4.35
4 - Holes M3 x 8mm Deep
4 - Holes M3 x 7 Deep
28.2
Rear Elevation
5
Plan View
Material - Aluminium Alloy HE30 (6082)
View of Alternative Crankcase (Without chamfering)
Chamfers OptionalChamfer Optional
12.2
5
????
?????????
AA
29.95
42.60
8.0
44.3
18.75 18.75
Project
RCM&E PLANS SERVICE
A .46cu. in. two-stroke glow engine. DESIGNED BY Alex Whittaker
PLAN No: RC2095 No. of Sheets: First published inRCM&E March. 2012
20.0
Section on A-AFront Elevation
A
WF46-0004CRANKCASE BEARING (Scale 2:1)
16.60
32
30.095
?????
A
???
Notes
1. 10mm intake hole to be bored withthe bearing pressed into crankcaseto ensure correct alignment.
2. This diameter to be a light pressfit inside crankcase.
Material - Bronze PB1
See Note 2.
12.0
0
WF46-0005BARREL
43
21.5
30.0
30.0
15
38.5
17.75
18.7
5
Front Elevation
??????????????
Plan View
Material - Aluminium Alloy HE30 (6082)
4.75
AA
3
34.00
37.47
5.4
21.8 1
1.535.3
3.5
8.4
4 - Holes M3 x 8 Deep
43
21.5
6.15
6.15
10.5
18.7
5
R6 typ
6.15
Section on B-B
4.75
17.75 Exhaust Port
6.15
B
3.5
2 - Holes 3.5 Dia
4.15 3.75
Transfer Ports 6mm Rad typ
40
1.5mm x 6 hole
Panel pin used to locate liner drill1.5 mm Hole x 6 Deep to suit Liner
36.5
0.75
10.7re
f
11.25 11.25
11.2
511
.25
37.3
2
???
36.5
2.75
C/Bore 6.2 Dia
???????
21.5
21.5
40
Section on A-A
Front Elevation
A
WF46-0006CYLINDER HEAD
40
A
Material - Aluminium Alloy HE30 (6082)
9.8
21.00
6.35
CompletedCylinder Head
Plan View
???
1.41.5
1.5 T
YP
????????????????????????????????????????????????????
20.5
3.60
14
2mm Chamfer
1mm Rad Plug thread 1/4" 32UNEF (O.S. #8 Plug) 22.5
22.5
R10
14
0.6
1.8 Typ u/cut
Section on A-A
WF46-0007BACKPLATE
A
Notes
1. This diameter is a close fit inside crankcase to avoid air leaks2. Copper fuel feed pipes to be a press fit into backplate
Material - Aluminium Alloy HE30 (6082)
15.5
1.5mm Chamfer
4 - Holes drill through??????????????????
13.4
9.65
???
20
57
25
5.8
??????????????????????
????????????????????????for copper fuel feedpipes (See note 2.)
Machined flat forpiston clearance
28
14Elevation on Rear of Plate
2.5
R22.5
Section on A-A
WF46-0008CRANKSHAFT
Material:-Crankshaft - Carbon Steel EN8M (212M36)Big end Pin - SilverSteel
Side Elevation
1.5mm Chamfer
Machined flatfor prop driver
End View
74.15
???
??
411
Ream
to
5.47
2127.8
34
32.15
7.8
8.5
12 5.6
26
0.5mm Rad
9.00
Thread 1/4" 28 TPI UNF
6.36
R25
40.15
1.5mm Chamfer
8 A
A
27.75
18.7
5
Completed Crankshaft
9.2
5
View on Arrow B
12.0
00
B
3.3
0.2
0.2
R4
???
14.25
5.50
0
Big End Pin(Silver steel)
Big End Pin(see detail)
0.25mm Chamfer
Drill and ream to suit bigend pin detailed below
16.2
Raised Area
Raised Area
Section on A-A
WF46-0009CONROD (scale 2:1)Material - H15 Duraluminium (2014)
?????????????????
A
4.43
2.15
3.05
== 6.
04
32.80
R4.5
8
A
R4
4.54
5.000
8.1
Completed Conrod
?????????
5.500
2.9
Front Elevation
Big end pin to be aninterference fit
General Notes
This drawing is to be used in conjunction with the RCM&E columnwrite up for machining methods, dimensional fits and assembly.
Typical Dimensional Tolerance
????????????????????????????????????????????????????????????????????????????????????????????????????????????????
Completed BackplateCompleted Bearing
28.15
see
note
1
A
2 of 3
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WF46-0010
Project
RCM&E PLANS SERVICE
A .46cu. in. two-stroke glow engine. DESIGNED BY Alex Whittaker
PLAN No: RC2095 No. of Sheets: First published inRCM&E March. 2012
General Notes
This drawing is to be used inconjunction with the RCM&Ecolumn write up for machiningmethods, dimensional fits andassembly.
Typical Dimensional Tolerance
????????????????????????????????????????????????????????????????????????????????????????????????????????????????
Section on A-A
PISTON (Scale 2:1)Material - Cast IronUnderside
A
A
Completed Piston
21.00*
18.5
17
19.00
6
5.00
18.5
8.35
12
16.5
*NoteMake Liner prior to making Piston. OutsideDiameter to be lapped to size to match liner
19.5
R6
1mm Dia Hole forfuture GudgeonPin removal
Section on A-A
WF46-0011GUDGEON PIN (Scale 2:1)
Material - Silver Steel
A
A
Completed Gudgeon Pin
5.000
18.5
End Elevation
2.5
3
Chamfer 0.25mm
Notes-1. The Gudgeon pin diameter should be made to
a minimal clearance to match the piston.
Side View
Section on A-A
WF46-0012LITTLE END PLUG (Scale 4:1)
Material - Bronze
A
A
Completed Plug
End Elevation
Notes-1. Test fit the plug in the gudgeon pin & piston
to ensure a sliding fit within the liner.
1.1 3
2.51
5.0
R0.25
R10.5
View of Completed Liner
WF46-0013CYLINDER LINER
Section on A-AFront Elevation
Plan View
Material - Carbon Steel EN8M (212M36)
A
35.2
5
28.1
0.75
11.0
TSFR
11.0
TSFR
A
21.000
???Sectional Elevation on B-B
???
Outside of Liner Port Development
78.54 (25mm Dia)Circumference
34.5
Underside of Liner Lip
11.39 15.285
Bottom edge of Liner
11.3913.94 13.94
6.298 6.298
Section on A-A
Front Elevation
A
Material - Mild Steel or Brass
Completed Barrel
10.0
1 - Hole Drill & Tap M3
A
WF46-0015CARBURETTOR BARREL (Scale 2:1)
?????????????
12.6 9
.4
5.7
Section on A-AFront Elevation
A
Material - Aluminium alloy HE30 (6082) 3/4" (19mm) Hex Bar
Completed CarburettorBody
Plan View
2 - Holes Drill & Tap M3
WF46-0014CARBURETTOR BODY (Scale 2:1)
10
30.7
5
5.5
168
1.25
5
13.5
17.2
5
88
4
5.85
View on Arrow C
12.8
10.0
5.7
1 - Holes Drill & Tap M6
B B
Section on B-B
6.8
C
A
1- Hole Drill & TapM2.5 x 6 Deep
???
1.5
Venturi angle cut using aCountersink Drill
R2
???
18.7
5
??????
Section on A-A
Front Elevation
A
Material - Aluminium Alloy HE30 (6082)
Completed Carb Spacer
A
WF46-0016CARB BARREL SPACER (Scale 2:1)
?????????????
10.5
1.2
?????
?????
Plan View
Front Elevation
Material - Brass Hex Stock
Completed Nipple
WF46-0017NIPPLE (Scale 2:1)
?????????????????????
19
4.25
9.5
A/F
M6 Thread
9.5
5 2.7
5
3.5
2.35
4.25
2.25
Remove Sharp Corners
10.97ref
??
End Elevation
WF46-0018NEEDLE VALVE BODY (Scale 2:1)Material - Brass
A
A Completed Body
18.0
11.5
2
9
27
7.44.5
11 4
6.8
5.75
8.8
18
23
4.6
8
11.5
3.2*
1.2
4.5
Thread M4 x 0.5p????????????
??????????????????be a light press fit forcopper feed pipes
Notes- Suitable for O.S Needle No.24081970
Copper feed pipes tobe a light press fit
1.2
Section on A-A
WF46-0019MIXTURE CONTROL DISC (Scale 2:1)
Material - Aluminium Alloy HE30 (6082)
A
Completed Disc
8.5
1.3
11.6
???
6.8
?????
1 Hole drill tosuit for clevis
????????????????????????????????????????????
R10
A
Section on A-A
8.2
Section on A-A
WF46-0020PROP DRIVER (Scale 2:1)
Front Elevation
A
A
Completed Driver
7.54
9.15
22.7
5
3.37
5
5.04 Key depth
17.8
Key
2.94???
Serrated frontface 40 off0.3mm deep
Rear Elevation
9.15
11.5
R10
6
8
0.5
Material - Aluminium Alloy HE30 (6082)3 of 3
-
R22.5
100
Title Scale:-
Drawing Number
Drawn
DateProjection
Sheet A3
??????????????????????????????????????????
First published in RCM&E magazine February / March 2012.
76
25
72
SIDE ELEVATION
38
28
1:1
WF46-0001Engine General Arrangement
PLAN VIEW
57
FRONT ELEVATION
Motor Specification
Bore - 21mm
Stroke - 18.4mm
RPM - 2,000-10,000
Prop - 11" x 6", 11" x 7"
40
???????????????????
Remote Needle Valve Assemblywith In-Flight Mixture Contol
-
Scale:-
DrawingNumber
Drawn
Date
Title
First published in RCM&E magazine February / March 2012.
Third Angle Projection
Project
Sheet Size:- A12:1
WF46-0002
Exploded View ofFIREFLY 46Exploded View of Engine & Remote Needle Assembly
3
4
1
2
11
5
6
7
8
9
10
24
29
22
17
30
23
31
27
13
14
12
15
25
23
22
19
20
21
ITEM DESCRIPTION QUANTITY
1 CRANKCASE 1 OFF
2 CRANKCASE BEARING 1 OFF
3 BARREL 1 OFF
4 CYLINDER HEAD 1 OFF
5 BACKPLATE 1 OFF
6 CRANKSHAFT 1 OFF
7 CONROD 1 OFF
8 PISTON 1 OFF
9 GUDGEON PIN 1 OFF
10 PIN END BUTTON 1 OFF
11 LINER 1 OFF
12 CARBURETTOR BODY 1 OFF
13 CARBURETTOR ROTOR 1 OFF
14 BARREL SPACER 1 OFF
15 NIPPLE 1 OFF
16 NEEDLE VALVE BODY 1 OFF
17 IN-FLIGHT MIXTURE CONTROL DISC 1 OFF
28
NEEDLE VALVE (O.S OR CLONE PART)
19 ?????????????????????????????? 2 OFF
20 1 OFF
21 1 OFF
22 M3 X 12 LONG SOCKET CAP HEAD SCREW 4 OFF
23 5 OFF
24 4 OFF
25
26
27
THRUST WASHER (O.S. OR CLONE PART) 1 OFF
DRG/PART No.
WF46-0003
WF46-0004
WF46-0005
WF46-0006
WF46-0007
WF46-0008
WF46-0009
WF46-0010
WF46-0011
WF46-0013
WF46-0012
WF46-0014
WF46-0015
WF46-0016
WF46-0017
WF46-0018
WF46-0019
O.S. No. 24081970
O.S No. 22020001
??????????????????????????????
??????????????????????????????
M3 X 20 LONG SOCKET CAP HEAD SCREW
M3 X 10 LONG C/SK SOCKET HEAD SCREW
DRIVE WASHER (O.S. OR CLONE PART) 1 OFF O.S No. 24008000
2 OFFM3 NYLOC NUT
26
18 18 SWG X 15mm LONG PIANO WIRE PIN 2 OFF
18
28
1 OFF
16
29
30
1 OFFM2.5 X 5 LONG PAN HEAD SCREW (ST.STL)
2 OFFM3 X 16 LONG SOCKET SET SCREW
SERVO HORN (MODIFIED FUTABA) Fut No. FUTM20301 OFF31
-
View of Completed Crankcase
Title Scale:-
Drawing Number
Drawn
DateProjection
Sheet A3
??????????????????????????????????????????
First published in RCM&E magazine February / March 2012.
1:1
WF46-0003Crankcase Details
37.5
37.5
18.7
5
61.95
19.35
6.15
6.15
30.0
30.0
15
10.0
16.6
0
32
34.00
25.00
?
?
?
23.45???
25
20.00
28.0
04.
75
18.7
5
15
6.75 R6
6.15
8
8
Section on A-AFront Elevation
4.35
4 - Holes M3 x 8mm Deep
4 - Holes M3 x 7 Deep
28.2
Rear Elevation
5
Plan View
Material - Aluminium Alloy HE30 (6082)
View of Alternative Crankcase (Without chamfering)
Chamfers OptionalChamfer Optional
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
12.2
5
????
?????????
AA
29.95
42.60
8.0
44.3
18.75 18.75
-
20.0
Section on A-AFront Elevation
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
A
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0004Crankcase Bearing
16.60
32
30.095
?
?
?
?
?
A
?
?
?
Notes1. 10mm intake hole to be bored with
the bearing pressed into crankcaseto ensure correct alignment.
2. This diameter to be a light press fitinside crankcase.
Material - Bronze PB1
See Note 2.
12.0
0
-
Title Scale:-
Drawing Number
Drawn
DateProjection
Sheet A3
??????????????????????????????????????????
First published in RCM&E magazine February / March 2012.
1:1
WF46-0005Barrel Details
43
21.5
30.0
30.0
15
38.5
17.75
18.7
5
Front Elevation
??????????????
Plan View
Material - Aluminium Alloy HE30 (6082)
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
4.75
AA
3
34.00
37.47
5.4
21.8 1
1.5
35.3 3.5
8.4
4 - Holes M3 x 8 Deep
43
21.5
6.15
6.15
10.5
18.7
5
R6 typ
6.15
Section on B-B
4.75
17.75 Exhaust Port
6.15
B
3.5
2 - Holes 3.5 Dia
4.15 3.75
Transfer Ports 6mm Rad typ
40
1.5mm x 6 hole
Panel pin used to locateliner drill 1.5 mm Hole x 6Deep to suit Liner
36.5
0.75
10.7ref
11.25 11.25
11.2
511
.25
37.3
2
?
?
?
36.5
2.75
C/Bore 6.2 Dia?
?
?
?
?
?
?
21.5
21.5
-
40
Section on A-A
Front Elevation
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
A
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
1:1
WF46-0006Cylinder Head
40
A
Material - Aluminium Alloy HE30 (6082)
9.8
21.00
6.35
CompletedCylinder Head
Plan View
?
?
?
1.4
1.51.
5 TY
P
??????????????????????????
??????????????????????????
20.5
3.60
14
2mm Chamfer
1mm RadPlug thread 1/4"32 UNEF(O.S. #8 Plug)
22.5
22.5
R10
14
0.6
1.8 Typ u/cut
-
Section on A-A
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
A
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
1:1
WF46-0007Motor Backplate
A
Notes1. This diameter is a close fit inside
crankcase to avoid air leaks2. Copper fuel feed pipes to be a press
fit into backplate
Material - Aluminium Alloy HE30 (6082)
15.5
Plan View
1.5mm Chamfer
4 - Holes drill through??????????????????
13.4
9.65
?
?
?
2057
28.1
5se
e no
te 1
25
5.8
??????????????????????
????????????????????????
for copper fuel feedpipes (See note 2.)
Machined flat forpiston clearance
28
14
Elevation on Rear of Plate
2.5
R22.5
-
Section on A-A
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
1:1
WF46-0008Crankshaft
Material - Carbon Steel EN8M (212M36)
Side Elevation
1.5mm Chamfer
Machined flat forprop driver
End View
74.15
?????
411
Rea
m t
o 5.
47
2127.8
34
32.15
7.8
8.5
12 5.6
26
0.5mm Rad
9.00
Thread 1/4" 28 TPI UNF
6.36
R25
40.15
1.5mm Chamfer
8 A
A
27.75
18.7
5Completed Crankshaft
9.2
5
View on Arrow B
12.0
00
B3.
3
0.2
0.2
R4
?
?
?
14.25
5.50
0
Big End Pin(silver steel)
Big End Pin(see detail)
0.25mm Chamfer
Drill and ream to suit bigend pin detailed below
16.2
Raised Area
Raised Area
-
Section on A-AGeneral Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0009Conrod
Material - H15 Duraluminium (2014)
?????????????????
A
4.43
2.15
3.05
== 6
.04
32.80
R4.5
8
A
R4
4.54
5.000
8.1
Completed Conrod
?
?
?
?
?
?
?
?
?
?
5.5002.
9
-
Section on A-A
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0010Piston
Material - Cast Iron
Underside
A
A
Completed Piston
21.00*
18.5
17
19.00
6
5.00
18.5
8.35
12
16.5
*NoteMake Liner prior to making Piston. OutsideDiameter to be lapped to size to match liner
19.5
R6
1mm Dia Hole forfuture GudgeonPin removal
-
Section on A-A
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0011Gudgeon Pin
Material - Silver Steel
A
A
Completed Gudgeon Pin
5.000 18.5
End Elevation2.
5
3
Chamfer 0.25mm
Notes-1. The Gudgeon pin diameter should be made to a minimal
clearance to match the piston.
A 5mm Diameter Engineering Dowel pin may besubstituted for this item just cut/ grind length to suit.
-
Section on A-A
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
4:1
WF46-0012Little End Plug
Material - Bronze
A
A
Completed PlugEnd Elevation
Notes-1. Test fit the plug in the gudgeon pin &
piston to ensure a sliding fit within the liner.
1.1 3
2.51
5.0
R0.25
R10.5
-
View of Completed Liner
Title Scale:-
Drawing Number
Drawn
DateProjection
Sheet A3
??????????????????????????????????????????
First published in RCM&E magazine February / March 2012.
1:1
WF46-0013Cylinder Liner
Section on A-AFront Elevation
Plan View
Material - Carbon Steel EN8M (212M36)
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
A
35.2
5
28.1
0.75
11.0
TSFR
11.0
TSFR
A
21.000
???
Sectional Elevation on B-B
???
Outside Line Port Development
78.54 (25mm Dia)Circumference
34.5
Underside of Liner Lip
11.39 15.285
Bottom edge
11.3913.94 13.94
6.298 6.298
-
Section on A-AFront Elevation
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
A
Material - Aluminium alloy HE30 (6082) 3/4" (19mm) Hex Bar
Completed Carburettor Body
Plan View
2 - Holes Drill & Tap M3
Title Scale:-
Drawing Number
Drawn
DateProjection
Sheet A3
??????????????????????????????????????????
First published in RCM&E magazine February / March 2012.
2:1
WF46-0014Carburettor Body
10
30.7
5
5.5
168
1.25
5
13.5
17.2
5
88
45.
85
View on Arrow C
12.8
10.0
5.7
1 - Holes Drill & Tap M6
B B
Section on B-B
6.8
C
A
1- Hole Drill & TapM2.5 x 6 Deep
???
1.5
Venturi angle cut using aCountersink Drill
R2
???
18.7
5??????
-
Section on A-A
Front Elevation
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
A
Material - Mild Steel or Brass
Completed CarburettorBarrel
10.01 - Hole Drill & Tap M3
A
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0015Carburettor Barrel
?????????????
12.6 9
.4
5.7
-
Section on A-A
Front Elevation
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
A
Material - Aluminium Alloy HE30 (6082)
Completed Carb Spacer
A
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0016Carb Barrel Spacer
?????????????
10.5
1.2
?????
?????
Spacer Arrangement
Futaba Servo Arm
Spacer
-
Plan View
Front Elevation
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Material - Brass Hex Stock
Completed Nipple
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0017Nipple
?????????????????????
19
4.25
9.5
A/F
M6 Thread
9.5
5
2.75
3.5
2.35
4.25
2.25
Remove Sharp Corners
10.97ref
??
-
Section on A-AGeneral Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0018Needle Valve Body
Material - Brass
A
A Completed Body
18.0
11.5
2
9
27
7.44.5
11 4
6.8
5.75
8.8
18
23
4.6
8
11.5
3.2*
1.2
4.5
Thread M4 x 0.5p????????????
??????????????????
be a light press fit forcopper feed pipes
Notes- To be suitable for O.S Needle No.24081970
Copper feed pipes tobe a light press fit
1.2
-
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0019Mixture Control Disc
Material - Aluminium Alloy HE30 (6082)
A
Completed Disc
8.5
1.3
11.6
???
6.8
?????
1 Hole drill tosuit for clevis
????????????????????????????
????????????????
R10
A Section on A-A
8.2
-
Section on A-A
General Tolerance????????????????????????
????????????????????????
????????????????????????
?????????????????????????
???????????????
Scale:-
Drawing Number
Drawn
Date
Title
Projection
Sheet A4
First published in RCM&E magazine February / March 2012.
??????????????????????????????????????????
2:1
WF46-0020Prop Driver
Material - Aluminium
Front Elevation
A
A
Completed Driver
7.549.
15
22.7
5
3.37
5
5.04 Key depth
17.8
Key
2.94?
?
?
Serrated front face40 off 0.3mm deep
Rear Elevation
9.15
11.5
R10
6
8
0.5