Maxwell 12-Cylinder Vanderbilt Cup Racer – Motor Age – 6 September 1906
Bang Bang, Maxwells Silver Hammer! Not the Abbey Road song, but more than a century earlier already the Maywell silver hammer tried to blow a stroke in the 1906 Vanderbilt Cup Race. These Maxwell people most surely were not afraid of innovations; with all its accompanying risks. An opposite twelver, made of six 2-cylinder boxers […]
The Racing Car of this and next Year – The Automobile – 31 May 1906
Text and jpegs by courtesy of hathitrust.org www.hathitrust.org, compiled by motorracinghistory.comThe Automobile, Vol. XIV (14), No. 22, May 31, 1906 THE RACING CAR OF THIS AND NEXT YEAR BY GEORGES DUPUY Those makers who are going to participate in the international competitions this year and the next, if they hope for success, must have […]
Does the Industry Want Revival of Stock Car Racing? – Automotive Industries – 30 April 1927
As already indicated by YKW in his introduction of „Indianapaolis 1926-1929“, early thoughts on stock car races rose up from older days. Most of the racetrack owners became more and more disatisfied with the gradually diminishing publics interest. In consequence, there earnings reduced bit by bit. Many car manufactureres on the other hand, were only […]
Marmon Builds Racers for Tests – Motor Age – 3 May 1928
Text and jpegs by courtesy of hathitrust.org www.hathitrust.org, compiled by motorracinghistory.comMotor Age, Vol. LIII, 53, No. 18, May 3, 1928 Marmon Builds Racers for Tests Col. Howard Marmon and Earl Cooper Put Their Heads Together and Evolve Two Marmon 68 „Specials“ Which Will Be Entered in Indianapolis Classic to Try Out Advanced Engineering IdeasBy M. […]
Racing Cars Engine Speeds – Automotive Industries – 23 June 1928
One of the possibilities of increasing the power output of engines at a given displacement, was increasing the speed. That could be done by reducing the weight of all up-and-down moving parts (reduce the inertia forces). Not only using lighter parts, such as pistons, connecting rods, valves, valve springs etc., but also by using smaller […]
Intercoolers Main Development at Indianapolis Race – Automotive Industries – 9 June 1928
After superchargers appeared more and more on the race cars, one of the logical developments was the use of inter-coolers. That would reduce temperatures of compressed air-gasoline mixtures into the combustion chamber, therby increase therma efficiency and hence power output. This development already came into practice some five years after the first introduction. This article […]
Indianapolis Race Cars feature Intercooling Inlet Manifolds – Motor Age – 31 May 1928
After superchargers appeared more and more on the race cars, one of the logical developments was the use of inter-coolers. That would reduce temperatures of compressed air-gasoline mixtures into the combustion chamber, therby increase therma efficiency and hence power output. This development already came into practice some five years after the first introduction. This article […]
Marmon Enters Indianapolis Race with Front-Drive Specials – Automotive Industries – 5 May 1928
For the first time since 1911, Marmon entered two „Marmon Specials“ in the 1928 Indianapolis 500 Race. Engine was a supercharged eight-in-liner and, more interesting, the car was equipped with front-wheel drive. The two-speed (front) transmission was designed by Earl Cooper and Col. Howard Marmon; although it showed very much resemblance with the Miller transmission. […]
Single-Sleeve Valve Engines at Indianapolis – Automobile Trade Journal – 1 May 1926
Text and jpegs by courtesy of hathitrust.org www.hathitrust.org, compiled by motorracinghistory.comAutomobile Trade Journal, Vol. XXX, 30, No. 11, May 1, 1926 New Cars and Models Single-Sleeve Valve Engines Will I Try Their Stuff at Indianapolis 91 inch engines this year will be 100 per cent supercharger equipped IF all entries listed materialize into actual starters […]
7,000 rpm from 91 1/2 in. Racer – Automobile Trade Journal – 1 April 1926
Text and jpegs by courtesy of hathitrust.org www.hathitrust.org, compiled by motorracinghistory.comAutomobile Trade Journal, Vol. XXX, 30, No. 10, April 1, 1926 7,000 r.p.m. From 91½ in. Racer LOS ANGELES and Indianapolis will as usual be well represented at the annual 500 mile sweepstakes race to be held May 31st in the latter city. There will […]