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Aviation Equipment and Export Inc. [[image - logo]]
25 Beaver Street, New York, N.Y.
Cable Address "Aviquipo" New York

December 26th, 1939
Dist. Dec. 22, 1939

Miss Ya Ching Lee
American Woman's Club
353 West 57th Street
New York, N.Y.

Subject: Performance Data for the Cessna 1939 Airmaster Landplane with 165 Warner Engine Installed

Dear Miss Lee:

Since our conversation with you a day or two ago, it has been our pleasure to talk with Mr. Dwane Wallace, President of the Cessna Aircraft Company, and we have secured from him the various details which you desire and which we wanted to confirm before giving same to you definitely.

With a full load of 2350 lbs., the plane will climb to 18,300 feet in 55 minutes and to 19,300 feet, which is the service ceiling, in 61 minutes.

At 18,000 feet at 1950 r.p.m., the ground speed of the airplane would be between 135 and 140 miles per hour although naturally the indicated air speed would be somewhat less.

I asked Mr. Wallace particularly about the landing field at Mexico City, which, as you know, is located at an altitude of about 7600 feet. Mr. Wallace has flown from this particular field a good many times in the Cessna 145 horse power plane which has, of course, even less horse power than the 165 job. He experienced no difficulty whatsoever in getting off and although he has no definite figure as to the take-off distance, he is absolutely certain that there is plenty of room to spare even with a full load. As for the speed at which landings should be made at such an altitude, you would go in at the same indicated air speed at which you would approach any landing field whether it be at sea level or altitude. This speed for the Cessna is best at about 80 miles per hour, and you will realize that 80 miles per hour indicated air speed at 7600 feet is actually somewhat higher if speaking in terms of the ground speed.

You expressed a desire to have a range of at least 1000 miles, and we would advise that this could easily be obtained with between 65 and 75 gallons of fuel. Provided that you were to have the full complement of 75 gallons, we have figured up the empty weights involved, including all of the extra equipment which you mentioned, and have found that you would have between 180 pounds and 200 pounds remaining

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