Take A Flyer Meaning

Example : 1906, O. Henry, Man About Town:  The oldest girls are eagerly perusing the financial reports, for a certain young man remarked last Sunday night that he had taken a flyer in Q., X. & Z.1997, Edward Greenspon, "Following the Trail of Campaign '97", in The Canadian General Election of 1997 (eds. Alan Frizzell & Jon H. Pammett), Dundurn Press (1997), ISBN 1550023004, page 36:  Many voters said that while they liked Reform, they remembered having taken a flyer on Bob Rae and the NDP, a gamble they had come to regret.2002, Bill Hybels, Courageous Leadership, Zondervan (2002), ISBN 9780310565727, unnumbered page:  In contrast, other leaders are almost totally risk-averse. They haven't taken a flyer in their adult life.2006, Dan Matthews & Marsha Collier, Starting a Business on eBay.co.uk for Dummies, John Wiley & Sons (2006), ISBN 978-1-1199-9763-4, unnumbered page:  If you have an auction with no bids and a counter that reads a high number, newbie bidders may be dissuaded from taking a flyer and bidding on your auction.2009, Lew Freedman & Dick Hoak, Pittsburgh Steelers: The Complete Illustrated History, MBI Publishing (2009), ISBN 9780760336458, page 112:  The Steelers essentially took a flyer on Brister since his track record consisted of one season leading a college team.