Slow Motion Launch

This is a slow motion video of our car at Sanair the Weekend of Aug.16-17 2008. This was a 3000 RPM launch. (experimenting)

Category:

Autos & Vehicles

Tags:

• Alcohol
• Methanol
• Bantam
• Altered
• Ford
• BBF
• 588
• Bracket
• Drag
• Racing
• Sanair
• Fuel
• Gillis
• Timmerman

[Jeffbah]

The answer is that with these micro second timing systems, the green and the red light(foul) bulbs are powered by a DC circuit. When you think about it, at 60 hertz you are only accuate to .017 seconds. These drag racing timing systems measure accurately to 1/10,000 of a second, and therfore must have the circuit power on Direct Current.

[588Bantam]

You bring up a good point. I don't know how these systems are designed but the operation of the bulbs themselves could be completely independent of the timing system. They could be operated though relays. i.e. the relay could have a DC solenoid switching an AC circuit to power the bulbs. But I would agree, it does look like the two bottom bulbs are running on DC power since you don't see the 60 cycle effect on those bulbs.

[RamThisDTO]

I was thinking the amber staging lights are LED and you are seeing the cycle rate of the LED, and the Green is a normal incandescent bulb. At 1000FPS even an LED light is almost instantly illuminated on each cycle, where the tungsten filament in the incandescent bulbs takes a split second to heat up enough to output light, thus why you see it slowly brighten as the green illuminates.

[Jeffbah]

You can see the 60 HZ AC current on all the amber lights. But, not with the Green...Why??