Comments: 20
cullyferg2010 [2020-05-14 00:21:32 +0000 UTC]
That many Buchon's still around?
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Small-Brown-Dog In reply to cullyferg2010 [2020-05-14 08:55:53 +0000 UTC]
I believe that there are a few airframes that could still be made airworthy. Others have had DB engines retrofitted to produce BF109G's of which the airframe is really just a licence built version of.
There were a great many of them assembled for the BoB movie in the let 60's where I think it hadn't been that long since they were in service in Spain.
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cullyferg2010 In reply to Small-Brown-Dog [2020-05-14 12:57:47 +0000 UTC]
Wonder how much it would cost to have the airframe assembled with a Merlin slapped in?
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Small-Brown-Dog In reply to cullyferg2010 [2020-05-14 13:54:30 +0000 UTC]
All the Buchons have Merlins. When the supply of DB 601 units ran out the Spanish had to look for an alternative and thats what is still powering them.
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cullyferg2010 In reply to Small-Brown-Dog [2020-05-14 22:25:08 +0000 UTC]
Was always intrigued by how the Daimler-Benz engine was lubricated as it was an inverted V.
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Small-Brown-Dog In reply to cullyferg2010 [2020-05-15 14:34:54 +0000 UTC]
Not sure that would be as there are a great many inverted aero-engines so the tech is well practised/proven. Radial engines have a similar issue if you think about it with the crank at the centre line.
A pressurised oil feed is really the only way to supply an engine that could in theory be in any orientation plus with a wet sump the oil slops to the rear on tail draggers. If you chop a motorcycle its important to keep the sump level in frame regardless of fork rake for this reason.
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cullyferg2010 In reply to Small-Brown-Dog [2020-05-16 01:43:09 +0000 UTC]
That was always the one thing I could never get my head wrapped around. How was the radial capable of returning the oil to the tank from the lower cylinders?
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Small-Brown-Dog In reply to cullyferg2010 [2020-05-16 09:12:48 +0000 UTC]
In a radial engine it is often forgotten how much oil plays a part in cooling and how much oil they consume due to it being burned. Apparently it should be taken into consideration that the tolerances for a radial engine are not as tight as those of a water cooled engine and so some "slack" jointing is inevitable to compensate for more expansion. That would suggest that a water cooled aero engine like the Merlin was oil tight but that is not correct as they consumed oil too. PR Spitfires had larger oil tanks fitted owing to the longer flight times and thats why the PR spitfires have that distinctive chin bulge.
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Daniel-Wales-Images [2020-05-09 23:14:51 +0000 UTC]
What? Why didn't I notice this... what a wonderful view!
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Small-Brown-Dog In reply to Daniel-Wales-Images [2020-05-10 08:36:38 +0000 UTC]
Thanks Mr Wales.
I wish I was somewhere in this great weather taking similar pix as I am sure you are to.
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jmb200960 [2020-04-27 13:39:23 +0000 UTC]
There is diffrent models, it seems, but I confess I do not identified them.
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Small-Brown-Dog In reply to jmb200960 [2020-04-27 13:52:25 +0000 UTC]
Spanish licence built 109G with a Merlin engine.
Known as the Buchon
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Rob-Cavanna [2020-04-19 18:42:44 +0000 UTC]
That paint looks almost turquoise, but against the Duxford sky, i can see how that might work.
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