Daimler-Benz Cold Weather Start Feature

[Juha]

Hello Harold
not so, very cold oil lost its, what was the English term, maybe viscocity, and had to be diluted just to ensure its lubricating qualities, when engine and oil get warmer, the aviation fuel evaporats and so the warmer oil maintain its lubricating qualities.

One other possibility is to warm the oil before the start but that takes more time.
Juha

[Martti Kujansuu]

Originally Posted by Juha

One other possibility is to warm the oil before the start but that takes more time.

Absolutely. From the first link: "We did not warm the oil but used 10% cold start instead." The second link remarks that many [oil] radiators were broken before the squadron moved to 15-20% cold start.