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Engine configuration
On Dec 14, 12:45 pm, Alan Baker wrote:
In article , clare at snyder.on.ca wrote: On Thu, 13 Dec 2007 18:19:14 GMT, Alan Baker wrote: In article , Michael Henry wrote: GTH wrote: Michael Henry a écrit : why isn't the Lycoming O-540 or the Continental O-520 an inverted V? They are derived from opposed engines, and the manufacturers thought easier to retain the same cylinders and cylinder heads as their 4 cylinder counterparts. OK so I just push my question back one generation: why is the O-360 not an inverted V? I'm asking more from a theoretical point of view. What is it that makes the opposed configuration more attractive than the V configuration for air-cooled engines? Likewise: what is it that makes the V configuration more attractive than the opposed configuration for liquid-cooled engines? There are new aircraft engine designs out the the Jabiru as an air-cooled example and the Orenda as a liquid-cooled example. They follow the same pattern that has become the norm. There have been a number of aircooled inverted engines in the post WWII period. ...and in the pre-WWII period! The deHavilland Gipsy Major being a notable example. I think one of the factors you're overlooking is vibration. Certain engine configurations have less vibration due to the arrangement of the reciprocating and revolving components: A 90 degree V-8; a straight-6; ... ...and a flat-4. A V-4 would have more vibration than a flat-4. Yea, ever drive a Corsair V4? Even with a balance shaft they are not smmoth. Um, somebody check me, but didn't the Corvair come with only one engine: a flat 6? -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." OK...."check" the spelling |
#2
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Engine configuration
In article
, cavedweller wrote: On Dec 14, 12:45 pm, Alan Baker wrote: In article , clare at snyder.on.ca wrote: On Thu, 13 Dec 2007 18:19:14 GMT, Alan Baker wrote: In article , Michael Henry wrote: GTH wrote: Michael Henry a écrit : why isn't the Lycoming O-540 or the Continental O-520 an inverted V? They are derived from opposed engines, and the manufacturers thought easier to retain the same cylinders and cylinder heads as their 4 cylinder counterparts. OK so I just push my question back one generation: why is the O-360 not an inverted V? I'm asking more from a theoretical point of view. What is it that makes the opposed configuration more attractive than the V configuration for air-cooled engines? Likewise: what is it that makes the V configuration more attractive than the opposed configuration for liquid-cooled engines? There are new aircraft engine designs out the the Jabiru as an air-cooled example and the Orenda as a liquid-cooled example. They follow the same pattern that has become the norm. There have been a number of aircooled inverted engines in the post WWII period. ...and in the pre-WWII period! The deHavilland Gipsy Major being a notable example. I think one of the factors you're overlooking is vibration. Certain engine configurations have less vibration due to the arrangement of the reciprocating and revolving components: A 90 degree V-8; a straight-6; ... ...and a flat-4. A V-4 would have more vibration than a flat-4. Yea, ever drive a Corsair V4? Even with a balance shaft they are not smmoth. Um, somebody check me, but didn't the Corvair come with only one engine: a flat 6? -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." OK...."check" the spelling I'm sorry, but what do you think the spelling has to do with it? -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." |
#3
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Engine configuration
Alan Baker wrote:
In article , cavedweller wrote: On Dec 14, 12:45 pm, Alan Baker wrote: In article , clare at snyder.on.ca wrote: On Thu, 13 Dec 2007 18:19:14 GMT, Alan Baker wrote: In article , Michael Henry wrote: GTH wrote: Michael Henry a écrit : why isn't the Lycoming O-540 or the Continental O-520 an inverted V? They are derived from opposed engines, and the manufacturers thought easier to retain the same cylinders and cylinder heads as their 4 cylinder counterparts. OK so I just push my question back one generation: why is the O-360 not an inverted V? I'm asking more from a theoretical point of view. What is it that makes the opposed configuration more attractive than the V configuration for air-cooled engines? Likewise: what is it that makes the V configuration more attractive than the opposed configuration for liquid-cooled engines? There are new aircraft engine designs out the the Jabiru as an air-cooled example and the Orenda as a liquid-cooled example. They follow the same pattern that has become the norm. There have been a number of aircooled inverted engines in the post WWII period. ...and in the pre-WWII period! The deHavilland Gipsy Major being a notable example. I think one of the factors you're overlooking is vibration. Certain engine configurations have less vibration due to the arrangement of the reciprocating and revolving components: A 90 degree V-8; a straight-6; ... ...and a flat-4. A V-4 would have more vibration than a flat-4. Yea, ever drive a Corsair V4? Even with a balance shaft they are not smmoth. Um, somebody check me, but didn't the Corvair come with only one engine: a flat 6? -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." OK...."check" the spelling I'm sorry, but what do you think the spelling has to do with it? Covair = GM http://en.wikipedia.org/wiki/Chevrolet_Corvair Corsair = Ford http://en.wikipedia.org/wiki/Ford_Corsair |
#4
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Engine configuration
"Gig601XLBuilder" wrote in message
... Covair = GM http://en.wikipedia.org/wiki/Chevrolet_Corvair Corsair = Ford http://en.wikipedia.org/wiki/Ford_Corsair What's a Covair? Rich S. |
#5
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Engine configuration
"Rich S." wrote What's a Covair? That would be a Corvair that doesn't run. It had lost it's r-r-r-r-r-r-r-r-r-r-r-r-r-r, r-r-r-r-r-r! g -- Jim in NC |
#6
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Engine configuration
In article ,
Gig601XLBuilder wrote: Alan Baker wrote: In article , cavedweller wrote: On Dec 14, 12:45 pm, Alan Baker wrote: In article , clare at snyder.on.ca wrote: On Thu, 13 Dec 2007 18:19:14 GMT, Alan Baker wrote: In article , Michael Henry wrote: GTH wrote: Michael Henry a écrit : why isn't the Lycoming O-540 or the Continental O-520 an inverted V? They are derived from opposed engines, and the manufacturers thought easier to retain the same cylinders and cylinder heads as their 4 cylinder counterparts. OK so I just push my question back one generation: why is the O-360 not an inverted V? I'm asking more from a theoretical point of view. What is it that makes the opposed configuration more attractive than the V configuration for air-cooled engines? Likewise: what is it that makes the V configuration more attractive than the opposed configuration for liquid-cooled engines? There are new aircraft engine designs out the the Jabiru as an air-cooled example and the Orenda as a liquid-cooled example. They follow the same pattern that has become the norm. There have been a number of aircooled inverted engines in the post WWII period. ...and in the pre-WWII period! The deHavilland Gipsy Major being a notable example. I think one of the factors you're overlooking is vibration. Certain engine configurations have less vibration due to the arrangement of the reciprocating and revolving components: A 90 degree V-8; a straight-6; ... ...and a flat-4. A V-4 would have more vibration than a flat-4. Yea, ever drive a Corsair V4? Even with a balance shaft they are not smmoth. Um, somebody check me, but didn't the Corvair come with only one engine: a flat 6? -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." OK...."check" the spelling I'm sorry, but what do you think the spelling has to do with it? Covair = GM http://en.wikipedia.org/wiki/Chevrolet_Corvair Corsair = Ford http://en.wikipedia.org/wiki/Ford_Corsair Ah. Not a model sold in North America, IIRC. |
#7
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Engine configuration
On Fri, 14 Dec 2007 22:33:46 -0800, Steve Hix
wrote: In article , Gig601XLBuilder wrote: Alan Baker wrote: In article , cavedweller wrote: On Dec 14, 12:45 pm, Alan Baker wrote: In article , clare at snyder.on.ca wrote: On Thu, 13 Dec 2007 18:19:14 GMT, Alan Baker wrote: In article , Michael Henry wrote: GTH wrote: Michael Henry a écrit : why isn't the Lycoming O-540 or the Continental O-520 an inverted V? They are derived from opposed engines, and the manufacturers thought easier to retain the same cylinders and cylinder heads as their 4 cylinder counterparts. OK so I just push my question back one generation: why is the O-360 not an inverted V? I'm asking more from a theoretical point of view. What is it that makes the opposed configuration more attractive than the V configuration for air-cooled engines? Likewise: what is it that makes the V configuration more attractive than the opposed configuration for liquid-cooled engines? There are new aircraft engine designs out the the Jabiru as an air-cooled example and the Orenda as a liquid-cooled example. They follow the same pattern that has become the norm. There have been a number of aircooled inverted engines in the post WWII period. ...and in the pre-WWII period! The deHavilland Gipsy Major being a notable example. I think one of the factors you're overlooking is vibration. Certain engine configurations have less vibration due to the arrangement of the reciprocating and revolving components: A 90 degree V-8; a straight-6; ... ...and a flat-4. A V-4 would have more vibration than a flat-4. Yea, ever drive a Corsair V4? Even with a balance shaft they are not smmoth. Um, somebody check me, but didn't the Corvair come with only one engine: a flat 6? -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." OK...."check" the spelling I'm sorry, but what do you think the spelling has to do with it? Covair = GM http://en.wikipedia.org/wiki/Chevrolet_Corvair Corsair = Ford http://en.wikipedia.org/wiki/Ford_Corsair Ah. Not a model sold in North America, IIRC. There were a few, Also called a Consul IIRC -- Posted via a free Usenet account from http://www.teranews.com |
#8
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Engine configuration
In article ,
Gig601XLBuilder wrote: Alan Baker wrote: In article , cavedweller wrote: On Dec 14, 12:45 pm, Alan Baker wrote: In article , clare at snyder.on.ca wrote: On Thu, 13 Dec 2007 18:19:14 GMT, Alan Baker wrote: In article , Michael Henry wrote: GTH wrote: Michael Henry a écrit : why isn't the Lycoming O-540 or the Continental O-520 an inverted V? They are derived from opposed engines, and the manufacturers thought easier to retain the same cylinders and cylinder heads as their 4 cylinder counterparts. OK so I just push my question back one generation: why is the O-360 not an inverted V? I'm asking more from a theoretical point of view. What is it that makes the opposed configuration more attractive than the V configuration for air-cooled engines? Likewise: what is it that makes the V configuration more attractive than the opposed configuration for liquid-cooled engines? There are new aircraft engine designs out the the Jabiru as an air-cooled example and the Orenda as a liquid-cooled example. They follow the same pattern that has become the norm. There have been a number of aircooled inverted engines in the post WWII period. ...and in the pre-WWII period! The deHavilland Gipsy Major being a notable example. I think one of the factors you're overlooking is vibration. Certain engine configurations have less vibration due to the arrangement of the reciprocating and revolving components: A 90 degree V-8; a straight-6; ... ...and a flat-4. A V-4 would have more vibration than a flat-4. Yea, ever drive a Corsair V4? Even with a balance shaft they are not smmoth. Um, somebody check me, but didn't the Corvair come with only one engine: a flat 6? -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." OK...."check" the spelling I'm sorry, but what do you think the spelling has to do with it? Covair = GM http://en.wikipedia.org/wiki/Chevrolet_Corvair Corsair = Ford http://en.wikipedia.org/wiki/Ford_Corsair Yeah... I got that now. -- Alan Baker Vancouver, British Columbia "If you raise the ceiling four feet, move the fireplace from that wall to that wall, you'll still only get the full stereophonic effect if you sit in the bottom of that cupboard." |
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