Tuesday, November 23, 2010

NR482N The World's Fastest Travel Air Monoplane

Photo Credit Parks College of Saint Louis University, Archives

The Doolittle 400 Racer

Speaking of fast Travel Airs, here's another airplane that might not immediately come to mind. But this airplane may have actually held the title of "World's Fastest T.A. Monoplane", at least for a few hairy seconds.

Photo Credit, San Diego Air & Space Museum

This is the story of one mis-adventure (there were few) in the life of the famed aviator, James H. “Jimmy” Doolittle and the plane he called “the 400 racer”. The plane, formerly known as the “Shell Mystery Ship” started life as serial number 3 of the factory specially-built Travel Air model R (also known as the "Mystery S" model).


Amidst the Great Depression in the early 1930’s, most folks were lucky if they were able to hold down their jobs. Jimmy Doolittle, having already established himself as one of the country’s premier pilots was fortunate to have many different enterprises. But his mainstay employment was with the aviation department of Shell Oil Company. Doolittle, along with aviator Jim Haizlip, were the Shell company’s publicity faces of aviation. One of the many airplanes operated by these corporate pilots for Shell was a Travel Air model R, a.k.a. “Mystery Ship”, which they each flew in various races and public events.

By 1931, the airplane had been badly damaged and so the company decided to get out of racing altogether. So Mr. Doolittle acquired the remaining airplane and took it to the Parks Air College CAA approved repair depot for refurbishment and some major design changes dreamed up by Doolittle. The result was a one-of-a-kind Travel Air racing machine.









BEFORE (click on images to enlarge) and AFTER


Historians have attempted to tell the story of this airplane, but it seems the design details of this unique airplane have been intentionally erased from history. The best modern-day article I've found on the subject was the following one by the late Mr. Truman C. "Pappy" Weaver.

Click for Larger Image


Weaver’s article (EAA publication, "The Golden Age of Air Racing") provides some important facts about this airplane. But one of the details in his account has been disputed by air race historians. His article states, “Part of the modification was hiding the small struts that braced the wings – which gave the racer a gull configuration.” There is no doubt that this airplane had a very different wing-to-fuselage fillet appearance. But some have said that the original wing brace struts were eliminated altogether by beefing up the wing carry-through and attachment structure. Perhaps there is someone still around who can clear this up. Or possible some documentation may exist. Hopefully something will turn up to settle this claim. Whichever the case, the change was expected to provide improved speed and performance.


It must have been a most spectacular event on the day Doolittle took delivery of his prized machine. Spectacular to see this magnificent airplane take to the skies... but then in the most unexpected way... come crashing to a dismal end. Thankfully, Mr. Doolittle managed to parachute to a safe landing. But not so for his dreamy Travel Air.


Below are some news accounts published within days of the event. In reading these articles, I've concluded this to be one of those unfortunate endings in a test-pilot's work in pushing the design envelope. Doolittle managed to reach a speed reportedly over 250 miles per hour before tragedy struck. High-speed aileron flutter, he proved, is usually catastrophic. Sad, but true... Some designs were just not meant to become reality.



Sunday, September 19, 2010

NR6239 - The World's Fastest Travel Air Biplane

Anyone who has ever flown in an open cockpit biplane would agree... you'll not soon forget the experience. And if you've ever flown over about 110 mph in one, you'd probably say its unforgettable. Things start to vibrate, whir, shimmy, and shake. It's probably the flying and landing wires that really get your attention. They really go from their typical "whining" sound to a literal "screaming" sound as they cut through the wind.

I have never flown that fast in a Travel Air biplane. I guess the closest thing was a ride I got one time in a Waco Taperwing with Gordon Borland. I was pretty young at the time. We did one high-speed pass down the runway. We must have been screaming close to 110 mph. That was a flight to remember. I was reflecting on that flight today and I began thinking of Travel Air biplanes. I wonder what the World's Fastest Travel Air biplane is. Granted, I really prefer flying low and slow. But there are those who love the thrill of flying fast.

Travel Air NR6239 - Can you imagine going 144 mph in this airplane?



One such individual I know of may just hold the record. On May 28, 1929 Sydnor Hall of Saint Louis posted a speed of 143 mph during the preliminaries and then 144 mph the next day during the Final heat of the Gardner Trophy Air Races. His airplane was a highly modified model D4000 Travel Air s/n 690, registered as NR6239.

Whats incredible to me is that the 143 mph speed is not just a one-time short burst of diving speed. But it is the average speed over a 790-mile distance run. I can only imagine how tiring it would have been and the beating endured by Hall for more than 5 and a half hours.


Sydnor Hall's entry in the Parks Air Field registry, May 28, 1929 (click image to enlarge)

Sydnor's success did not come without some major modifications. You can read more about this super fast Travel Air biplane in my articles on the Gardner Trophy Air Races.

Part 1 The Gardner Trophy Races, - The Preliminaries

Part 2 The Gardner Trophy Races, - The Final

Can you spot all of the changes in comparison to the photo at the top of this page?









Friday, September 17, 2010

Curtiss F6C-4 Completed Headed to NM-USMC


Part 3: Restoration Completed - Curtiss F6C-4 Hawk Headed to Museum

click on images to enlarge

Latest email from Mark Julicher, Restorer
A few minor tweak are left to finish, but it goes on the truck to Quantico,Virginia tomorrow.
Enjoy these. the next photos will have to be taken in the National Museum of the Marine Corps.





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