Red Jammers are buses used at Glacier National Park in the United States to transport park visitors. While the buses are called reds, the bus drivers are called jammers because of the sound the gears made when shifting on the steep roads of the park. The “jamming” sound came from the unsynchronised transmissions, where double-clutching was a must.
Originally tested at Yosemite National Park in California in 1935, they were manufactured as the Model 706 by the White Motor Company from 1936-1939. The distinctive vehicles, with roll-back canvas convertible tops, were the product of noted industrial designer Alexis de Sakhnoffsky, and originally operated in seven National Parks. Glacier National Park still operates 33 of their original buses today on the Going-to-the-Sun Road in Glacier National Park, Montana, United States, where they are referred to as Red Jammers. Glacier’s “missing” buses still survive to this day. The park kept one in original condition at its headquarters in West Glacier, while the other operates in Anaconda, MT giving tourists a ride around the town. Yellowstone National Park park runs seven of their original 98 and also keeps one in its original condition. In addition, Gettysburg National Battlefield runs two of Yellowstone’s buses for tourists.
Glacier’s two were modified between 2000-2002 by Ford Motor Company in conjunction with TransGlobal in Livonia, Michigan, to run on propane or gas to lessen their environmental impact.[1] The bodies were removed from their original chassis and built upon modern Ford E-Series van chassis.[2] The original standard transmissions were also replaced in 1989 with newer automatics, removing the trademark “jamming” sound. Yellowstone’s seven buses were restored in 2007 by TransGlobal.
https://en.wikipedia.org/wiki/Red_Jammers
Key changes made to the Red Buses include:
Powertrain/Fuel System – The original carbureted gasoline engine was removed and replaced with a new fuel-injected 5.4L bi-fuel engine, capable of running on either gasoline or LPG (propane). An all-new exhaust system also was provided.
Chassis – The original chassis was removed and replaced with an E-450 chassis modified to fit the Red Bus body.
Brakes – The brake system was replaced with a production 4-wheel disc ABS system.
Windows and Lights – All windows were replaced with safety glass and external lights were replaced or repaired and brought up to current standards.
Along with the new technology, extreme care was taken to maintain the charm and historic integrity of the buses. Technology and safety were key, but comfort also was important. Examples include:
Body – The original body of the Red Bus was carefully removed from the chassis. Damaged areas were repaired, cleaned and repainted in the original color scheme. New sheet metal or fiberglass components were blended into the vehicle where needed, such as the fender wells and the rear door. In addition, all the door latches were replaced and the plywood floors were replaced with composite aluminum sheeting.
Seating – All passenger and driver seats were refurbished with new comfortable fire-retardant material. New padding was added to the handrails on the seat backs.
Running Boards – Running boards were replaced, but remain consistent with the original design.
Ornamentation – When possible, original ornamentation was refurbished. When replacement was needed, it was done with component designs consistent with the original.
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