MS & NAF Standards, and Continental Engine Specs

WWII aircraft standards and specifications - what's the difference?

Often enough these terms are used interchangeably, but they really do mean two different things - read on to find out more, and see what's new on AirCorps Library this week!

MS and NAF Standards:

I'm like a kid at Christmas when I find a binder of standards in a collection of manuals that I'm going through. The number of standards that was published during WWII is incredible, and even though some of the ones added this week are duplicates, I'm of the mind that we can never have too many! As anyone knows who restores aircraft or fabricates parts, these specs are invaluable.

Aircraft standards are just what they sound like - standard parts that had many applications. Often, these parts were supplied by multiple manufacturers or the government itself. As long as the part met the parameters of the standard, it could be approved and used. Of the standards that were published during WWII the most common ones are: AN (Army-Navy), AND (Aeronautical Design Standard), NAF (Naval Aircraft Factory), NAS (National Aircraft Standard, MS (Military Standard), USAF (U.S. Air Force Standard), and BAC (Boeing Aircraft Company). As you can see both branches of the military published specs along with individual manufacturers.

This week we've added an additional 334 Military Standards (MS), and 217 Naval Aircraft Factory Standards (NAF) to the standards unit on AirCorps Library. In order to view these, and the other 4,200 additional standards we have available, you must be a member of the AirCorps Library site. Not a member yet? Well Click Here to sign up today and get full access to our online library - it's just $9 per month or $75 per year!

Continental Engine Specifications:

Over the next few weeks we'll be highlighting different engine manufacturer specifications. What do we mean by engine specifications? These documents "specify" items like max horsepower, minimum fuel levels, compression ratios, and more for individual engine models. The titles of each document reflect the specific engine models that each document pertains to. Directly following the title (in the list below) is the specification identifier or "document number".

As we continue to add these specifications, each engine manufacturer will have its own "Specifications" unit where you will be able to find the specification docs for each engine model.
This week we added the specification docs for Continental Motors Engines. Click the CONTINENTAL ENGINE SPECIFICATIONS unit to view all the specs in one place. 

W670-6A and R-670, E-162-7, 10-April-1957 

W670 and R-670, E-162-9, 30-Oct-1959