SSNJim Posted January 25, 2017 Share Posted January 25, 2017 From the inside? Very cool - a flathead engine with a glass head. Quote Link to comment Share on other sites More sharing options...
peteski Posted January 25, 2017 Share Posted January 25, 2017 Cool! I'm also surprised with how long the clear plastic (Lexan?) head lasted being burned by exploding fuel. Quote Link to comment Share on other sites More sharing options...
Belugawrx Posted January 25, 2017 Share Posted January 25, 2017 Cool stuff thanks for sharing that Quote Link to comment Share on other sites More sharing options...
426-Hemi Posted January 25, 2017 Share Posted January 25, 2017 Cool! I'm also surprised with how long the clear plastic (Lexan?) head lasted being burned by exploding fuel.That have to be Lexan, normal plexi-glass or Acrylic sheet even at that thickness wouldn't last long enough even in a Briggs engine! What really surprises me is the plug location, it fire better if it was more centered over the piston! Quote Link to comment Share on other sites More sharing options...
espo Posted January 26, 2017 Share Posted January 26, 2017 You could see what looked like stress cracks starting to appear in the clear cover. I expected the "cylinder head" to come apart. Liked the slow motion the best. Quote Link to comment Share on other sites More sharing options...
unclescott58 Posted January 26, 2017 Share Posted January 26, 2017 Fun!Scott Quote Link to comment Share on other sites More sharing options...
peteski Posted February 2, 2017 Share Posted February 2, 2017 That have to be Lexan, normal plexi-glass or Acrylic sheet even at that thickness wouldn't last long enough even in a Briggs engine! What really surprises me is the plug location, it fire better if it was more centered over the piston!True, but I suspect that a center hole for the spark plug would have weakened the clear head. Quote Link to comment Share on other sites More sharing options...
426-Hemi Posted February 2, 2017 Share Posted February 2, 2017 Pete,Well Lexan is something else that for clear plastic sheet will stop a 44 magnum bullet at close range as well as a 357 shot at close range at only 1/2 inch thick, on a 4 foot by 4 foot section! That head on the Briggs engine? Looks to be more close to 1 inch thick (maybe even thicker!). AND its small. A lot smaller then the 48 inch by 48 inch section to stop a close range bullet from a 44 magnum or a 357..... I only know this as we used it for state building main office that I was a maintenance engineer 1 for. Was used as a protective barrier in the entrance of the main office only 1/2 inch thick! -Kinda like what ya see in a Bank.The plug center in that clear head actually I do not believe have any effect on the strength of that Lexan head..... I do not believe that a Briggs engine plug fire has that much impact....Whats really impressive I think, is the mere fact the firing of the gasoline and all didn't burn/charr the underside of the clear Lexan where we viewed it from! Quote Link to comment Share on other sites More sharing options...
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