Argus As 411 — Engine Manuals Collection
A curated collection of original factory technical documents for the Argus As 411 inverted V12 aircraft engine, covering the TA and TB variants. This collection brings together primary-source documentation used by Luftwaffe technicians and engineers during the final years of World War II — and later by French aviation specialists who continued production into the 1950s.
Total Unique Manuals: 3 | Variants Covered: TA, TB
📂 Variant TA — 3 Manuals
As 411 TA Engine Handbook
- As 411 TA, Aircraft Engine, Description and Short Manual — Beschreibung und KBA (German Language)
- As 411 TA-1 and TB-1, Aircraft Engine, Description and Propellers (VLS) with Hydraulic Control — Beschreibung und VLS mit hydr. Regelung (German Language)
As 411 TA Brochures & Training
- As 411 TA, Aircraft Engine, Instructional Image Series No. 202 — Lehrbildreihe 202 (German Language)
📂 Variant TB — 1 Manual
As 411 TB Engine Handbook
- As 411 TA-1 and TB-1, Aircraft Engine, Description and Propellers (VLS) with Hydraulic Control — Beschreibung und VLS mit hydr. Regelung (German Language)
Note on Multi-Variant Manuals: Some manuals for the As 411 apply to multiple variants. To ensure easier access and better usability, files are included in each relevant variant folder for convenient consultation. The total number of manuals refers to unique files and does not include repeated copies across folders.
✈️ Historical Background
The Argus As 411 entered service in 1944, developed by Argus Motoren GmbH and built largely by Renault in occupied France. It evolved directly from the Argus As 410 and delivered a significant power boost for late-war Luftwaffe trainer and liaison aircraft. Production was strategically relocated to occupied Paris to avoid Allied bombing.
Primary Military Applications: Siebel Si 204, Focke-Wulf Fw 189, Arado Ar 96
Post-War Civilian Use: SNCAC NC.701 / NC.702 Martinet, Sud-Ouest S.O. 93 Corse
Production: ~2,600 units under German oversight + several hundred post-war in France (through the mid-1950s)
Post-war, the engine was adapted by French manufacturers as the Renault 12S / SNECMA 12S and later the SNECMA 12T — featuring modified pistons, cylinders, and direct fuel injection — helping to jumpstart the French aviation industry for commercial mail and passenger light transports across Europe.
⚙️ Technical Specifications
| Engine Type | Inverted 60° V12 |
| Cylinders | 12, inverted-V configuration |
| Displacement | 732.3 cu in (12.0 L) |
| Horsepower | 440–600 hp |
| Bore × Stroke | 4.13 in × 4.53 in (105 mm × 115 mm) |
| Compression Ratio | 6.4:1 |
| Weight | 814–827 lbs (369–375 kg) |
| Fuel | B4 (87 octane) wartime; 100/130 octane post-war |
| Notable Features | Centrifugal supercharger, individual cylinder air-cooling fins, integrated reduction gear |
🔍 Current Status
- Still Flying: No — museum and historical display only
- Type Certificate Holder: None (manufacturers dissolved or absorbed into SNECMA/Safran)
- Active Service Bulletins/ADs: None
- Primary Use Today: A few units maintained in running ground-display condition by private collectors
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