Updated: 28-Sep-2020
NAG was the "Neue Automobil Gesellschaft". It began its activities in 1910, as a subsidiary of AEG.
“NAG logo”
-Their aviation motors were based on the car engines that the brand produced. The first ones were used on airships.
“Front cross-section of a NAG engine”
“NAG engine with transmission and clutches”
-A first engine was installed on the Perseval I airship.
-On the following Perseval III and IV two six-cylinder engines were mounted.
"NAG 301 for airships"
“NAG 301 schematics”
-But before, in its beginnings, it made the Wright-NAG, a 35 CV with four cylinders that was installed on an airplane acquired from the Wrights. The engine had been built under license from the original brand.
-The F-1 four-cylinder upright, inline engine was similar to the Wright giving 55 CV at 1,600 rpm.
-The F-2 was also a four-cylinder giving 60 CV at 1,600 rpm.
"NAG F-2, on both sides"
-The F-3 reached 100 CV at 1,250 rpm.
-In the below illustration it is seen from the left front side.
“NAG F-3”
"F-3, right-rear side"
-The NAG F-4 already was a six-cylinder that gave 150 CV at 1,250 rpm.
"NAG F-4, both sides"
-The C-II had six cylinders and reached 210 CV. It is the one in the photographs below:
“NAG C-II”
-The NAG III (sometimes C-III), like the one shown below, is on display at the Polytechnic of Turin.
“NAG III”
-Finally we provide another NAG engine. It gave 185 CV.
“NAG, 185 CV”
-In the MAE engine reserve storage there is an engine known as the Staatsmotor, now with the NAG brand. (Perhaps licensed from Czechoslovakia).
-We can see that it is a double row radial with 14 cylinders. The most characteristic is the upper rotary valve, driven by a control rod. It is a cylindrical piece with different communication steps for intake and exhaust.
“NAG, Staatsmotor”
From Appendix 9: Contributed by Evzen are the NAG pictures below. It is NAG C-III, as mentioned in the main text, it can also be called NAG III.
“NAG C-III at Krakovia museum”
"Another NAG C-III from 1917"
“NAG C-IV B from 1918”
-From a French collaborator I received a photo of the NAG that appears in the main text as model “301”, for airships.
“NAG 301”
"Installation on the Parseval III"
-NAG made Wright licensed engines for aircraft by the firm “Deutsche Wright-Flugmaschinen Gesellshaft. The so-called NAG-Wright engine gave 30 CV.
"Wright-NAG Engine"
"German Wright Plane"
-We provide two new views of the F-2 that gave 60 CV and F-3 with 100 CV.
-The purpose of the addenda is to provide new material or with better illustrations to insert in the main text or simply replace royalty-free images or improved details.
“NAG F-2, 60 CV”
“NAG F-3, 100 CV”
Engines of NAG
Model: 301
Arquitecture: 6-cylinder In-line
Cooling: Liquid
Total Displacement: 843 cu. in.
Bore / Stroke: 150 x 130
Power: 120 CV @ 1300 rpm
Weight: 770 Lb
"NAG 301"
Model: C-II
Arquitecture: 6-cylinder In-line
Cooling: Liquid
Total Displacement:
Bore / Stroke:
Power: 210 CV
Weight:
"NAG C-II"
Model: C-III
Arquitecture: 6-cylinder In-line
Cooling: Liquid
Total Displacement: 1041 cu. in.
Bore / Stroke: 138 x 190 mm
Power: 185 HP
Weight: 732 Lb
"NAG III"
Model: C-IV
Arquitecture:
Cooling:
Total Displacement:
Bore / Stroke: x
Power:
Weight:
"NAG C-IV B from 1918"
Model: F-2
Arquitecture: 4-cylinder In-line
Cooling: Liquid
Total Displacement: 330 cu. in.
Bore / Stroke: 120 x 120 mm
Power: 60 CV @ 1600 rpm
Weight: 212 Lb
"NAG F-2, left side view"
Model: F-3
Arquitecture: 4-cylinder In-line
Cooling: Liquid
Total Displacement: 576 cu. in.
Bore / Stroke: 135 x 165 mm
Power: 100 CV @ 1250 rpm
Weight: 353 Lb
"NAG F-2, right side view"
Model: F-4
Arquitecture: 6-cylinder In-line
Cooling: Liquid
Total Displacement: 864 cu. in.
Bore / Stroke: 135 x 165 mm
Power: 150 CV @ 1250 rpm
Weight: 507 Lb
"NAG F-4, left side view"
Model: F-I
Arquitecture: 4-cylinder In-line
Cooling: Liquid
Total Displacement: 267 cu. in.
Bore / Stroke: 118 x 100 mm
Power: 55 CV @ 1600 rpm
Weight: 211 Lb
Model: Staatsmotor
Arquitecture:
Cooling:
Total Displacement:
Bore / Stroke:
Power:
Weight:
"NAG, Staatsmotor"
Model: Wright-NAG
Arquitecture: 4-cylinder In-line
Cooling:
Total Displacement:
Bore / Stroke:
Power: 35 CV
Weight:
"Wright-NAG engine"