Hi,
Rachel, Change of plan. We got a computer that says "yes".
Question now is "What is the refresh rate of a digital camera?". We flew from Santorini to Athens and had the opportunity to photograph the islands on the way. We were in a prop aircraft and the amazing thing is when I went to take a photo the props were strobed still. There were 4 props on the motor and the strob effect showed 4. Refresh rate of digital camera = engine revs. How fast was the engine turning?? David, what do you think? Sorry for the nerdy stuff...
Other photos show the Blue Mosque, Fort on the Bosphorus, view from our cruise today and a keen resturant owner before the Turkey / Germany game last night.
Saw whirling Dervish tonight. Time for a rest. Stay safe.
Lv Julie and Frank.
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June
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- Last post before next trip.
- "On our way home" - In KL
- Photo Comment
- Photo Update - Internet Cafe
- Photo Attempt No 4
- It's Istanbul not Constantinople (was Bysantium)
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- There is always more in Santorini even when it's d...
- Santorini Sea and Sunset
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- A new favorite place in Greece - Santorini
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- But wait there's more.....
- Photos of our new favorite places.
- What is the best place in Greece??
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- Milan and Budapest Photos
- Budapest - Built in the "old" style
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- 3 days in Cinque Terre are not nearly enough.
- Cinque Terre - Belissimo
- Bye to Michelangelo's town
- What the? Italian style.
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2 comments:
hmm, this is an interesting one! The fact that there is blurring around the tip of the blade but nowhere inbetween blades suggests to me that the camera has taken the image in the time the blade has moved that small distance ~ 20cm. The speed of a prop is limited by the speed of sound at the tip.... If the blade is 1.5m long and the tip is moving at 314m/s (speed of sound at 20,000ft) the engine is at approx 2000RPM. This would indicate the camera shutter speed of 1ms or 1/1000s. This would probably be reasonable in the bright sunlight of the Greek islands! (plus the relfection of everyone's white houses) :P
But I'm not an aerospace engineer so what I said could be total crap, better ask Johnno....
it's an entire family of NERDS!!!
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