BUB Seven Streamliner

BUB Seven Streamliner is an American-built streamliner motorcycle that held the motorcycle land-speed record from 2006 to 2008 and again from 2009 to 2010.[6] BUB Seven and two other streamliners traded the title of "world's fastest motorcycle" during official speed runs at Bonneville Speedway in the summer of 2006.[7][8] The other two competitors were Ack Attack and the EZ-Hook streamliner.[9] In 2017, Valerie Thompson rode BUB Seven for more record attempts at Bonneville.[10]

BUB Seven
ManufacturerDenis Manning/BUB Enterprises
Also calledLucky 7
ClassStreamliner
Engine2,997 cc 16-valve turbocharged V-4
Bore / stroke4.125 in x 3 in
Compression ratio9.5 : 1
Top speed367.382 mph (591.244 km/h)[1]
Power500hp @ 8500 RPM[2]
Torque400 lb/ft torque @ 8500 RPM[2]
TransmissionFour speed, dry clutch[2]
Water-cooled chain drive[3]
Frame typeCarbon fiber/kevlar/aluminum honeycomb composite monocoque[4][5]
DimensionsL: 21 ft (6.4 m)[4]
W: 22 in (0.56 m)[4]
H: 32 in (0.81 m)[4]
Weight1,600 lb (730 kg)[4] (dry)

Design

Design for the streamliner is attributed to Motorcycle Hall of Fame inductee Denis Manning,[11] who is also the owner, although it was listed for sale in 2010.[12][13] Additional design work for the purpose-built V-4 engine was provided by Joe Harralson of Sierra Design Engineering.[5] According to Harralson, the only off the shelf component in the engine is the oil filter.[14] Manning has stated that the aerodynamic shape was inspired by the Coho salmon, who he observed swimming 50 miles per hour (80 km/h) in the Columbia River.[3][15]

Manning had previously built Cal Rayborn's 1970 world speed record motorcycle, using a similar streamlined fairing built from a surplus jet drop tank.[15][16]

Specifications

References
  1. Harley, Bryan (25 September 2009), "BUB Racing's Chris Carr Breaks Speed Record", Motorcycle USA, archived from the original on 5 April 2013, retrieved 23 March 2013
  2. Engine details, BUB 7 official website, archived from the original on 2012-11-28, retrieved 2013-03-26
  3. Jay Leno's Garage on YouTube
  4. General specifications, BUB 7 official website, archived from the original on 2012-11-28, retrieved 2013-03-23
  5. WORLD'S FASTEST MOTORCYCLE DESIGNED WITH ALGOR FEA SOFTWARE, Autodesk Inc., c. 2006
  6. World Records 1979–Present (PDF), Fédération Internationale de Motocyclisme
  7. Bart Madson (October 18, 2006), 2006 Bonneville Streamliner Battle, Motorcycle USA
  8. Stein, John (2007). World's Fastest Motorcycle: The Day The Bonneville Salt Stood Still. Parker House. ISBN 0979689112.
  9. Kent Kunitsugu (January 2013), "Sam Wheeler's EZ-Hook Streamliner: The Quest For 400 Mph", Sport Rider
  10. Tod Rafferty (August 25, 2017), "Valerie Thompson and Denis Manning Return to Bonneville: Highlights filmed for Dana Brown's "Rockets and Titans"", RideApart
  11. Denis Manning at the Motorcycle Hall of Fame
  12. Crew, BUB 7 official website, archived from the original on 2013-01-30, retrieved 2013-03-26
  13. "BUB Seven Streamliner, The World's Fastest Motorcycle, Is For Sale", Road Racing World, May 24, 2010
  14. Johnson, Wayne (2010). Live to ride: the rumbling, roaring world of speed, escape, and adventure on two wheels. Atria Books. p. 236. ISBN 1416550321.
  15. Stuart Barker (3 June 2010), Big Ugly: The Story Behind the Landspeed Record, Visordown, In September 2009, Chris Carr set a new motorcycle land speed record of 367.382mph in the BUB Seven streamliner. And the shape of the fastest bike ever built was inspired by, erm... a fish. Here’s how it all happened
  16. 1970 Harley Streamliner, Motorcycle Hall of Fame, 2010, archived from the original on 2013-06-06
  17. Wind tunnel, BUB 7 official website, archived from the original on 2013-01-30, retrieved 2013-03-23

Further reading
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