Challenge has finished
Upload the picture of a turbine engine. No turbocharged piston engines please.
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Friday, 7th February, 2014 (GMT)
Friday, 14th February, 2014 – Thursday, 20th February, 2014 (GMT)
Friday, 21st February, 2014 – Thursday, 27th February, 2014 (GMT)
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These entries were provided by the challenge host(s) as samples and cannot be voted on. Upload sample image.
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