| A |
0.550" |
| B |
1.250" |
| C |
4.420" |
| D |
4.937" |
| E |
5.520" |
| F |
0.292" |
| G |
0.6875" |
| H |
4.00" |
| thank you to Trevor Southwell |
|
| Vincent model and notes |
F1 |
F2 |
F3 |
| Comet 7090 red "Sam" springs w/22mm spacer |
Thornton front shock 421mm |
stiction varience 400-395mm |
|
Girdraulic spring data "as found"
Free length - 395mm = 15.6"
Coil count (tip to tip) - 53.5 coils
Wire diameter - 4.75mm = 0.187"
Outside Diameter - 26.1mm = 1.027"
Spring rate - 1.0 kg/mm = 56 lbs/inch
| compression |
spring#1 |
spring#2 |
notes |
| 0 |
0 |
0 |
The two original Vincent Comet springs both tested almost exactly the same rate. You can visualize the linear spring rate simply looking at the test data. Test performed using Girdraulic spring box as holding device for springs. Ambient temperature 75F. |
| 10mm |
9.0kg |
8.0kg |
|
| 20mm |
18.5 |
18.0 |
|
| 30mm |
28.0 |
28.0 |
|
| 40mm |
38.0 |
39.0 |
|
| 50mm |
48.0 |
48.0 |
|
| 60mm |
58.5 |
60.0 |
|
| 70mm |
68.0 |
70.0 |
|
| 80mm |
78.0kg |
80.0kg |
