Junkers Ju 49: Over the Top.

The stunning Ju 49 was conceived in the 1930’s by Junkers to investigate high-altitude flight in general and cabin pressurization techniques in particular. With its all-metal construction and corrugated surfaces, the Ju 49 was a “Junkers” though and though. Junkers was also its engine -in its definitive form- a 800hp two-staged (with intercooler) Junkers L88a. The more startling feature of the Ju 49 was its multiple porthole-equipped pressure cabin. So poor was its outside view a periscope was provided for landings.
Originally conceived to be operated at around  6,000m (20,000ft), the Ju 49 in its definitive form, soon doubled that altitude routinely. All in all, a very profitable investment to Junkers that showed the way to the wartime Ju 86P/R.

As we can see in this superb photo this Junkers was an utterly imposing beast. Here with interim unsupercharged L88 engine installation. That lanky undercarriage was needed to allow the necessarily huge wooden prop.

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