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Post by Kereru on Jan 6, 2010 13:01:23 GMT 12
While in BNE and with brother in law Mal's help I was lucky to get a look at the aviation museum at Caboolture and noted the tennis balls in the Mustang's engine exhausts. Is it to stop birds or insects or something else?    Very wet place this time of year and hot. We did get some fine patches and many thanks to Craig a great morning spotting at BNE airport. Colin |
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Post by Bruce on Jan 6, 2010 16:38:12 GMT 12
exhaust plugs normally keep out birds and moisture (which can corrode valve stems). The tennis balls look good - Sea Fury ZK-SFR used to have a chain of bath plugs!
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Post by baz62 on Jan 7, 2010 8:34:52 GMT 12
Ive seen those plastic coffee cups you get from coffee machines used as well!! You would want to wait till the pipes were cool though!!! ;D
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Post by obiwan27 on Jan 7, 2010 12:13:56 GMT 12
Is it my imagination or is the spinner on that Mustang non-standard? The prop looks right but the spinner makes the front end of the aircraft like more 'spitfire-ish'. What do you guys think?
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Post by baz62 on Jan 7, 2010 12:16:06 GMT 12
It might be the camera lens distorting it slightly?
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Post by Kereru on Jan 8, 2010 10:21:57 GMT 12
It might be the camera lens distorting it slightly? Correct, I was using a very wide angle lens Sigma 10-20mm on a Nikon DX camera which has a 1.5x crop so at the widest setting of 10mm it would be 15mm. Very good lens however in tight places, allowing for some distortion. Thanks for the feed back on tennis balls. Cheers |
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Post by Bruce on Jan 8, 2010 12:15:20 GMT 12
Would be interesting to leave the tennis balls in on startup - More fun than swingball!  |
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Post by baz62 on Jan 8, 2010 15:55:39 GMT 12
Yeah, imagine if you had a backfire:flaming tennis balls!!
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