Visiting the Yuma Proving Ground and the LeTourneau Overland Train
Four Wheeler|August 2022
Four Wheeler's July 1969 issue took us to a special part of the desert where the Devil vacations when he needs some heat.
JERED KORFHAGE
Visiting the Yuma Proving Ground and the LeTourneau Overland Train

Just north and east of Yuma, Arizona sits the expansive facility known at the time as the Yuma Proving Ground. Its location makes it favorable for year-round testing with higher-than-average temperatures and some of the lowest precipitation levels around (in 1968, 1.2 inches of rain fell). The Yuma Proving Ground allowed the Army to subject its vehicles to extreme temperatures, deep water crossings, onslaughts of silt to detect dust intrusion and resistance, rocky ledges and punishing washouts to verify structural integrity, and even drops from supply planes.

Denne historien er fra August 2022-utgaven av Four Wheeler.

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Denne historien er fra August 2022-utgaven av Four Wheeler.

Start din 7-dagers gratis prøveperiode på Magzter GOLD for å få tilgang til tusenvis av utvalgte premiumhistorier og 9000+ magasiner og aviser.

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