Tuesday 30 April 2013

C5 drive components

Planetary gearbox output drive pulley:
- Diameter ~31mm
- 21 tooth

Axle Drive pulley:
- Diameter ~107mm
- 68 tooth
- One Way Bearing INA HFL 2026 Only $14.95. http://www.vxb.com/page/bearings/PROD/Kit8242

Drive Belt:
- Length = 400mm
- Width = 18mm
- Teeth = 80 tooth
- 5mm Pitch
- Megadyne Isoran 400 RPP5 http://www.megadyne.co.uk/files/Products%20Guide%20Catalog.pdf P22
- Locally - 400-T5 80 400.0 from http://www.naismith.com.au/catalogues/pulleys/metric.pdf

Final ratio = 21/68 = .308 or a 3.23 reduction.

Replacement Aluminium Pulleys from Naismith:
- Large = 60-T5-16
- Small = 20-T5-16F for similar final drive ratio.

Could use 25mm wide pulleys to allow for machining.

Motor Bearing - Both Ends: GMN 6201 http://www.gmnbt.com/deep-groove-bearings-selection-guide.htm
Planetary support bearing x2 (on drive end of motor shaft) GMN 607
Large output shaft bearing 61808

3 x Gearbox planet carrier shafts ~ 8mm

Bearings verified fron C5 yahoo group.
> > Hi Folks...
> >
> > Somewhere someone prolly needs this info..
> > Universal part numbers for the motor bearings.....
> >
> > Outer gearbox bearing: 61808 (I'd recommend a 61808-2RS cos it's
> sealed)
> >
> > Planetary carrier inner bearings: 607 (no need to worry about
> sealing on
> > these really)
> >
> > Armature main bearings: 6201 (once again I'd recommend the 6201-
> 2RS, though
> > Sincalir fitted the 6201-ZZ which is shielded but not sealed)..
> >
> > I've got a new set on order for my motor, and it's costin me a bit
> over 20
> > UKP for one 61808-2RS, and a pair of each 6201-2RS and 607....
> >
> > chrisc






Wednesday 17 April 2013

Wire Sizing Guide

I got tired of Googleing this every time I needed it, so here is my version.

Gauge

Conductor Diameter

Conductor Diameter

Ohms per km

Maximum Current

Maximum Continuous Current

Cross Sectional Area

Will fit metric lug

Unit

Inches

mm

Ohms

Amps

Amps

mm2

mm2

0000 (4/0)

0.46

11.7

0.161

380

302

107

120

000 (3/0)

0.41

10.4

0.20

328

239

85

95

00 (2/0)

0.36

9.3

0.26

283

190

67.4

70

0 (1/0)

0.32

8.3

0.32

245

150

53.5

 

1

0.29

7.3

0.41

211

119

42.4

50

2

0.26

6.5

0.51

181

94

33.6

35

3

0.23

5.8

0.65

158

75

26.7

 

4

0.20

5.2

0.82

135

60

21.2

25

5

0.182

4.6

1.03

118

47

16.8

 

6

0.162

4.1

1.30

101

37

13.3

16

7

0.144

3.7

1.63

89

30

10.5

 

8

0.129

3.3

2.1

73

24

8.37

10

9

0.114

2.9

2.6

64

19.0

6.63

 

10

0.102

2.6

3.3

55

15.0

5.26

6

11

0.091

2.3

4.1

47

12.0

4.17

 

12

0.081

2.1

5.2

41

9.3

3.31

4

13

0.072

1.83

6.6

35

7.4

2.62

 

14

0.064

1.63

8.3

32

5.9

2.08

2.5

15

0.057

1.45

10.4

28

4.7

1.65

 

16

0.051

1.29

13.2

22

3.7

1.31

1.5

17

0.045

1.15

16.6

19

2.9

1.04

 

18

0.040

1.02

21

16

2.3

0.823

 

19

0.036

0.91

26

14

1.80

0.653

 

20

0.032

0.81

33

11

1.50

0.518

 

21

0.029

0.72

42

9

1.20

0.41

 

22

0.025

0.65

53

7

0.92

0.326

 

23

0.023

0.57

67

4.7

0.729

0.258

 

24

0.020

0.51

84

3.5

0.577

0.205

 

25

0.018

0.45

106

2.7

0.457

0.162

 

26

0.016

0.40

134

2.2

0.361

0.129

 

27

0.014

0.36

169

1.7

0.288

0.102

 

28

0.013

0.32

213

1.4

0.226

0.081

 

29

0.011

0.29

268

1.2

0.1820

0.0642

 

30

0.010

0.25

338

0.86

0.1420

0.0509

 

31

0.0089

0.23

427

0.7

0.1130

0.0404

 

32

0.0080

0.20

538

0.53

0.0910

0.032