Can you take the heat? - Motorcycle-Journal Forums

**Clint** · 04-29-2007, 09:42 AM

Of combustion, that is.
Hemmings Auto Blogs » Blog Archive » Inside your engine: Combustion at 10,000 fps

palanon · 04-29-2007, 09:51 AM

Nice vid. Love to see full stroke and exhaust stroke.

Cimco · 04-29-2007, 12:27 PM

Like Wow!

Was that imaged using MRI techniques?

I read the how did we photo it thingy, still can't figure out how it was actually imaged.

Very interesting...

GregR1 · 04-29-2007, 12:30 PM

i don't get it. is that just the combustion before the piston begins the power stroke, or what? what the heck is that 'thing' moving up from the bottom? it seems to already have a small flame front on it as well.

**Clint** · 04-29-2007, 12:37 PM

You're seeing residual heat from the bottom, I think. The combustion cloud grows out from the spark.

Just think... that happens up to 8000 times a minute on some streetbikes.

GregR1 · 04-29-2007, 12:42 PM

ya, i was just wondering if that was a specially designed set-up that only compressed the mixture and let it burn in a reduced chamber volume, since i don't see the 'piston' moving down at all (and it should be considering how quickly it came up - the dwell times are really short in real life).

anyhoo, cool to see the flame flowing like that!

sunny · 04-29-2007, 01:42 PM

Quote:

Originally Posted by RowdyRed94

You're seeing residual heat from the bottom, I think. The combustion cloud grows out from the spark.

Just think... that happens up to 8000 times a minute on some streetbikes.

and RIGHT between your knees, too!

and SOME gentlemen, one of which i shall leave nameless, are afraid of putting a quart of fuel in an approved container in the saddlebag...

**Clint** · 04-29-2007, 03:43 PM

Don't we all have a gallon of fuel in an approved container in our reserve tanks?

sunny · 04-29-2007, 03:55 PM

i guess you don't remember that particular conversation...

outlaw · 04-29-2007, 07:49 PM

very cool. it would be interesting to see the next 10,000 frames, eh?

raycogxxx · 04-29-2007, 10:53 PM

Also interesting is the high-speed vid of the water balloon being pierced by xacto knife on camera mfg web site.

Photron - High-Speed Cameras

GregR1 · 04-29-2007, 11:05 PM

Quote:

Originally Posted by raycogxxx

Also interesting is the high-speed vid of the water balloon being pierced by xacto knife on camera mfg web site.

Photron - High-Speed Cameras

now THAT is beautiful!

04-29-2007, 12:27 PM	#3 (permalink)
Cimco Fender Buffer Joined: Apr 2007 Bike: 06 Suzuki C50T Location: Roseville CA Posts: 408	Like Wow! Was that imaged using MRI techniques? I read the how did we photo it thingy, still can't figure out how it was actually imaged. Very interesting... __________________ Older maybe not wiser...

04-29-2007, 03:55 PM	#9 (permalink)
sunny Leaned over, knee down Joined: Nov 2004 Bike: '97 suzuki savage, '90 honda shadow, '75 kh400, and a broom Location: fort worthless Posts: 4,678	i guess you don't remember that particular conversation... __________________ "blah blah blah, the world revolves around me, blah blah blah, your perception of events can't possibly be valid, blah blah blah, i wasn't there but i know everything about everything, blah blah blah." - 95% of the male population. you WISH this post was brought to you by rum.

04-29-2007, 07:49 PM	#10 (permalink)
outlaw Fifth gear streak Joined: Feb 2006 Bike: Red '05 M50 Location: Wake Forest, NC Posts: 1,375	very cool. it would be interesting to see the next 10,000 frames, eh? __________________

04-29-2007, 10:53 PM	#11 (permalink)
raycogxxx Sprocket Pilot Joined: Feb 2007 Bike: 2006 M50-Blue Location: Ft Worth, Texas Posts: 845	Also interesting is the high-speed vid of the water balloon being pierced by xacto knife on camera mfg web site. Photron - High-Speed Cameras __________________ "So long as they don't get violent, I want to let everyone say what they wish, for I myself have always said exactly what pleased me." -- Albert Einstein 2006 M50 Blue, Jardine Slash Cuts w/custom baffles (courtesy of BlueM50Chick), Saddleman Profiler Seat, Memphis Shades Poptop shield, Tour Master saddle and fork bags, Küryakyn Dually ISO-Pegs, Stebel Airhorn.

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04-29-2007, 09:51 AM	#2 (permalink)
palanon No Significant Other Joined: Apr 2006 Bike: 2003 Bandit 1200S Location: Newmarket, NH Posts: 2,314	Nice vid. Love to see full stroke and exhaust stroke.

04-29-2007, 12:30 PM	#4 (permalink)
GregR1 ... Joined: Mar 2007 Posts: 2,308	i don't get it. is that just the combustion before the piston begins the power stroke, or what? what the heck is that 'thing' moving up from the bottom? it seems to already have a small flame front on it as well.

04-29-2007, 12:42 PM	#6 (permalink)
GregR1 ... Joined: Mar 2007 Posts: 2,308	ya, i was just wondering if that was a specially designed set-up that only compressed the mixture and let it burn in a reduced chamber volume, since i don't see the 'piston' moving down at all (and it should be considering how quickly it came up - the dwell times are really short in real life). anyhoo, cool to see the flame flowing like that!

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