BENDIX-SCINTILLA SF9L-1 Wwii Aircraft Engine Magneto Incomplete

( Brand: Bendix-scintilla ), ( Manufacturer Part Number: SF9L-1 ), ( Part Type: Engine Magneto ), ( Compatible Make: For Wright Cyclone 1820 Engine ), ( Compatible Model: Scintilla ), ( Country Of Origin: United States ), ( California Prop 65 Warning: Do Not Insert In Rectal Cavity )

Review BENDIX SCINTILLA Wwii Aircraft Engine Type Magneto Incomplete fits B-17

The Bendix-Scintilla SF9L-1 is a historical magneto originally used in WWII aircraft engines, specifically those powering the iconic B-17 Flying Fortress bomber. This particular magneto is described as incomplete, meaning some parts may be missing or require replacement.

The SF9L-1 is a 12-volt, 2-wire, 6-cylinder magneto, designed to deliver powerful and reliable spark for the ignition system of the aircraft engine. Its robust construction is evident in its heavy-duty housing made of high-quality aluminum alloy, which ensures durability and withstands the rigors of flight. The magneto features a precision-machined rotor and stator assembly, which produces a consistent and strong magnetic field to generate the sparks.

The ignition system in the SF9L-1 operates using a contact breaker point mechanism. The points are located at the center of the magneto and are actuated by a camshaft connected to the engine's crankshaft. This mechanism ensures the spark is delivered to the engine's spark plugs at precisely the correct time during the engine's compression stroke.

The magneto's external dimensions are approximately 11 inches long, 5 inches wide, and 7 inches tall, making it a substantial component of the aircraft's ignition system. It weighs around 40 pounds, reflecting its robust and heavy-duty design.

The SF9L-1 magneto's incomplete condition may require some parts to be sourced separately or repaired. These parts could include the points, condenser, or various electrical components. Despite this, the magneto remains a valuable and fascinating piece of aviation history, offering a glimpse into the engineering marvels of the past and the remarkable technological advancements that powered the Allied forces during WWII.

Buying a Bendix-Scintilla SF9L-1 WWII aircraft engine magneto incomplete for a B-17 can be an intriguing prospect for aviation enthusiasts and collectors. Here are some potential pros and cons to consider before making a purchase.

1. Historical significance: The Bendix-Scintilla SF9L-1 magneto is a crucial part of WWII history, powering many aircraft engines during that era. Owning a piece of this history can be a rewarding experience.

2. Availability: Incomplete magnetos may be more readily available and cheaper than fully rebuilt or new ones. This could be an opportunity for those on a budget or for those who prefer the challenge of a restoration project.

3. Learning experience: Restoring an incomplete magneto can be an educational experience, providing an opportunity to gain hands-on knowledge about the inner workings of these complex electrical components.

4. Potential for savings: If the buyer has the skills and tools to restore the magneto themselves, they could potentially save money compared to purchasing a fully rebuilt or new one.

1. Unknown condition: An incomplete magneto may have hidden damage or wear that is not apparent at first glance. This could lead to unexpected repair costs down the line.

2. Time commitment: Restoring an incomplete magneto can be a time-consuming process, especially for those without prior experience. This may not be an ideal option for those who want a quick fix.

3. Risk of failure: A magneto that has not been fully restored could potentially fail during operation, posing a safety risk.

4. Limited functionality: An incomplete magneto may not be able to provide full functionality, potentially limiting the operational capabilities of the aircraft.

Buying a Bendix-Scintilla SF9L-1 WWII aircraft engine magneto incomplete for a B-17 can be an intriguing opportunity for aviation enthusiasts and collectors. It offers the potential for historical significance, availability, a learning experience, and savings. However, it also comes with the unknown condition, time commitment, risk of failure, and limited functionality. Ultimately, the decision to purchase an incomplete magneto should be based on the buyer's experience level, budget, and desired outcome. Those who are experienced in restoration projects, have the necessary tools and skills, and are willing to take on the challenge may find this to be a worthwhile investment. For others, it may be more prudent to consider purchasing a fully rebuilt or new magneto.

Details:

ONE OR MORE OF USA PATENTS PATENT DATA NUMBERS LISTED MADE IN TYPE SF9L-1 SPECIFICATION - 28159B1-C Mfrs DRG. WWII Aircraft Engine - Bendix-Scintilla Type SF9L-1 Magneto Incomplete Unit B-17, One wartime magneto incomplete; partial unit with parts for repair or OH. Metal data plate reads: BENDIX-SCINTILLA PRODUCT OF SCINTILLA MAGNETO DIVISION BENDIX AVIATION CORP. Great source of spare parts and pieces.

No breaker points. We'd acquired this one from a former aerial applicator who at time used 5 Boeing B-17 Flying Fortresses in an application aerial firefighting role. Base housing and gear looks nice intact. No distributor block or outer cover.

What you see in the picture series is EXACTLY what get - one incomplete magneto assembly, As-Removed Condition. 537X-12 DATE MFG - THIS MISSING FROM SECTION OF DATA PLATE ORDER AC 837 SERIAL 7532, The data plate is damaged from improper handling and storage. No top cover. The little section missing from the date block on data plate was a common mod done after an OH or.

Ships cheapest via USPS Ground Advantage or FedEx unless you direct otherwise. Outer cover straps.

part #: sf9l1 price

• $15.00

specifications aviationpar:

• for models: B-17
• brand: Bendix-scintilla
• mpn: Sf9l-1
• part type: Engine Magneto
• compatible make: For Wright Cyclone 1820 Engine
• compatible model: Scintilla
• country of origin: United States
• california prop 65 warning: Do Not Insert In Rectal Cavity

general aviationpar:

• condition: Used
• Parts Accessories > Aviation Parts Accessories > Parts

returns aviationpar:

• policy: No Returns

seller aviationpar:

• city: Mesa, Arizona
• rating: 100.0%
• # reviews: 2566

payments aviationpar:

• other
• wallet: Paypal
• credit card: Discover

offer aviationpar:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: April 28, 2026
• quantity: 1
• sold: 0

shipping aviationpar:

• transit: 4-10 Days
• class: Standard, Economy
• service: USPS Ground Advantage, FedEx Ground Economy
• carrier: USPS, FedEx
• cost: $16.65
• type: Calculated

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