![]() Dick Thompson, Tex Hopkins and the Lavender Hill Mob (SCCA corner works and officials) threw various amounts of money into the project. I'm trying to find out more about more about how the track became a road course with the addition to the existing short-track oval?Īpparently Dr. Dick Thompson, Charlie Hayes and Charlie Wallace. I first got my interest in Road Racing while attending SCCA National Races at Upper Marlboro in the late '50s and early '60s to watch the likes of Roger Penske, Mark Donahue, Timmy Mayer, Bob Grossman. ![]() I also joined the Upper Marlboro discussion group earlier today and I hope I will be allowed to join their chats soon. Thank you Mike, I'll go pull out my copy of your Hansgen book. Later, Walt recommended to Alfred Momo that the Cunningham team use 3.54 gearing at the circuit instead of the 3.73, believing the 3.54 would create less wheel spin coming out of Marlboro’s hairpin turns. Walt used first gear three times each lap in the Hansen-McPhee car, with a 3.73 rear-axle ratio. The twisty nature of the circuit was reflected in the race average speed of 70.28 mph. Dick Kessler in an XK-SS Jaguar finished second in both races. He retired from second place in the feature race, experiencing dizziness. ![]() Fitch was suffering from a severe summer cold and sat out the preliminary ten-lapper. Shelby suffered persistent fuel line problems, and his crew never got the problem worked out he retired from both races with the engine cutting out in left-hand corners. He not only won the feature race, the Lavender Hill Mob Trophy of twenty-five laps, but took the ten-lap prelim, Tobacco Row. (later in the chapter the race is described)ĭespite the presence of Carroll Shelby and John Fitch in a pair of Maserati 300Ss, Walt dominated in the D-type Jaguar. With the additional mile added to the circuit, Marlboro was ready for its first National Championship race. Dick Thompson and Washington D.C., Regional executive Bob McKinsey were key figures in seeking expansion of the facility, and they made it happen in 1957. Enthusiasm was high and the track location was excellent, situated just 15 miles from the White House. The first race was run on May 22, 1955, and later in the year a six-hour race was run on the tiny facility. The existing oval was incorporated into the layout, and as a result the circuit ran counter-clockwise. With the financial support of “The Mob,” the original circuit was carved out in 1955. Eugene Chaney was the owner of a 0.3-mile dirt track in Upper Marlboro, Maryland, and a contractor with road-building equipment. Region of the SCCA, known as the Lavender Hill Mob. The driving force behind the track was an enthusiastic group from the Washington, D.C. That spring, the Marlboro Motor Raceway had grown from its original length of 0.7 mile to 1.7 miles. The July 14, 1957, race was the first SCCA National Championship ever at Marlboro, Maryland. The Cunningham team took a breather in July, and so Walt accepted an invitation from Lindy Hansen for a one-off drive in the very same D-type with which he enjoyed such great success the year before. I will excerpt parts of that chapter here. For example, 15-06-22, 15.06.22 and 15:06:22 are all interpreted as 15 hours 6 minutes 22 seconds or 15:06:22.Dave - in my book "Walt Hansgen: His Life and the History of Post-War American Road Racing," (David Bull Publishing, 2006) in Chapter 38 I write about the Marlboro track origins. You can use a dash (-), period (.) or colon (:) as separators and must always use 2 separators. Time = distance/speed Time Entry Formats hh:mm:ss To solve for time use the formula for time, t = d/s which means time equals distance divided by speed. To solve for speed or rate use the formula for speed, s = d/t which means speed equals distance divided by time. You can use the equivalent formula d = rt which means distance equals rate times time. Rate and speed are similar since they both represent some distance per unit time like miles per hour or kilometers per hour. To solve for distance use the formula for distance d = st, or distance equals speed times time. Time can be entered or solved for in units of secondes (s), minutes (min), hours (hr), or hours and minutes and seconds (hh:mm:ss). The Speed Distance Time Calculator can solve for the unknown Calculate speed, distance or time using the formula d = st, distance equals speed times time.
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