Grinding wheel |
Mximum usable peripheral speed m/min. |
Speed per hour conversion Km/h. |
Peripheral speed traffic counterparts |
Tool grinding-use cup chape, vitrified grinding wheel |
1400 |
84 |
Electric train Automobile (on general road) |
Free grinding-use straight shape, vitrified grinding wheel |
2000 |
120 |
Special express train Automobile (on highway) |
Free grinding-use straight shape, resinoid grinding wheel |
3000 |
180 |
Super express train (Shinkansen) |
Free grinding-use depressed center chape, resinoid reinforced wheel |
4300 |
258 |
Racing cars |
Cutting off grinding-use, resinoid reinforced wheel |
4800 |
288 |
Helicopters |
Engine-cutting use, resinoid reinforced wheel |
6000 |
360 |
Cessna |