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Moderator Denis


Location: CAN
Joined:
Points: 638

engine stroke filmed inside by a high heat camera
Original Message   Mar 19, 2012 9:44 pm
http://www.gizmodo.fr/2007/10/14/un_moteur_4_temps_vu_de_linterieur.html
This message was modified Mar 19, 2012 by Denis



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trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: engine stroke filmed inside by a high heat camera
Reply #2   Mar 20, 2012 3:00 pm
   Poo, I liked watching that so much I went back but the link is now, 502 Bad Gateway. 

    Good post Denis, very interesting.

Found it by Goofling around.

   It looks like the intake valve is rotating.  There's a vague white line on the intake valve surface that rotates I think 4 times each cycle.  I've heard of valves rotating but if this one is really rotating at that rate I would think the guide area would be worn very quickly.

This message was modified Mar 20, 2012 by trouts2
friiy


Location: Las Vegas, The Desert
Joined: Apr 12, 2008
Points: 600

Re: engine stroke filmed inside by a high heat camera
Reply #3   Mar 20, 2012 7:37 pm
   Briggs and Tec and some others that I know both had rotating valves for their engines that ran at one speed (water pumps and generators and such). 

     Back in my auto shop class in high school, we had a 3 hp Tec that had a large Pyrex window in the head.  The engine ran on propane also had a neat, adjustable timing butterfly-head bolt.  You could adjust the engine timing and see the results.. (valves getting hot or cooling down)..

Friiy

daniel


Location: NY
Joined: Oct 21, 2010
Points: 48

Re: engine stroke filmed inside by a high heat camera
Reply #4   Mar 20, 2012 9:14 pm
Looked up the google cache and pulled out the original source of the video:

http://www.liveleak.com/view?i=73e_1192001762

Should work.  Really Interesting.

Toro 826 OXE Snowblower, Echo PB-500 backpack blower, Toro 22" high wheel recycler mower, Jeep Wrangler JK Unlimited 6 spd :)
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