Talk:Wag-Aero CUBy

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A fact from Wag-Aero CUBy appeared on Wikipedia's Main Page in the Did you know column on 28 September 2010 (check views). The text of the entry was as follows:

Did you know... that the designer of the Wag-Aero CUBy aircraft flew one to 20,000 ft to show that it would not suffer vapor lock from using automotive fuel as a power source?

A record of the entry may be seen at Wikipedia:Recent additions/2010/September.

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Auto fuel could not cause vapor lock

I quote "The designer of the aircraft Dick Wagoner flew the unpressurized aircraft as high as 20,000 ft (6,096 m) to demonstrate that auto fuel would not cause vapor lock." Auto fuel, per se, does not cause "vapour lock". This is generally caused by an inefficient/badly planned fuel deivery system and has nothing with the aerodynamic ability of the equipment? Werry confusing as it is! Semperlibre (talk) 09:53, 28 September 2010 (UTC)[reply]

Because of its higher volatility, especially with summer blends of auto fuel, vapour lock at high altitudes is a distinct concern with the use of auto fuel. Since aircraft fuel delivery systems are designed around less volatile avgas there were concerns that they might be unsuitable for autofuel and this was what EAA spent most of their time examining in the studies conducted. - Ahunt (talk) 13:21, 28 September 2010 (UTC)[reply]