OS 1801 Engine Nsu Wankel Rotary Motor 49-PI

( Brand: Os ), ( Manufacturer Part Number: 1801 ), ( Vintage: No ), ( Compatible Brand: Os Max ), ( Type: Rc Engine ), ( Compatible Fuel Type: Nitro Glow Fuel ), ( Country Of Origin: Japan )

Review OS Max Engine Nsu Wankel Rc Rotary Motor Nib Nr Mint New

Introducing the NSU Wankel 49-PI Rotary Motor, a groundbreaking engine design from the esteemed German automaker, NSU. This engine, specifically modeled as an 1801 unit, represents a significant departure from traditional reciprocating piston engines. The Wankel rotary motor, also known as a constant-volume, variable-timing engine, is renowned for its unique design, compact size, and smooth power delivery.

At its core, the NSU Wankel 49-PI Rotary Motor features a triangular rotor housed in an epitrochoidal casing. This arrangement allows for continuous combustion as the rotor turns, eliminating the need for the complex mechanical components found in piston engines, such as pistons, connecting rods, and crankshafts. Instead, this engine design relies on its unique shape and rotor movement to create power. The 49 refers to the engine's displacement, which is 49 cubic inches or approximately 783 cubic centimeters.

One of the most notable advantages of the NSU Wankel 49-PI Rotary Motor is its smooth power delivery. Since the engine doesn't have the jerky power delivery associated with traditional piston engines, it provides a more refined driving experience. Additionally, this engine design offers excellent power-to-weight ratio and compact dimensions, making it an attractive choice for applications where space is at a premium.

The 1801 designation signifies the engine's bore and stroke dimensions. The bore measures 3.0 inches, while the stroke is 3.2 inches. This configuration results in a total engine displacement of 783 cubic centimeters (49 cubic inches). The 1801 NSU Wankel 49-PI Rotary Motor delivers impressive power output, making it a popular choice for various automotive applications.

The NSU Wankel 49-PI Rotary Motor is an engineering marvel that represents a significant advancement in internal combustion engine technology. Its unique design offers smooth power delivery, compact size, and excellent power-to-weight ratio, making it a sought-after option for those seeking high-performance and efficiency in their engines. Whether you're restoring a classic NSU automobile or designing a custom engine for a new project, the NSU Wankel 49-PI Rotary Motor is an exceptional choice that is sure to impress.

The NSU Ro80 1801 engine, a Wankel rotary motor with a displacement of 49 cubic inches or approximately 790 cubic centimeters, was a pioneering automobile engine produced by NSU Motorenwerke AG from 1967 to 1977. This engine was known for its unique design, compact size, and smooth power delivery. Here are some pros and cons of buying an NSU Ro80 with a 1801 engine.

1. Unique engine design: The Wankel rotary engine is significantly different from traditional piston engines. It offers a smooth power delivery due to its continuous combustion process.

2. Compact size: The 1801 engine is smaller than a comparable piston engine, which can lead to better fuel efficiency and easier maneuverability in tight spaces.

3. Smooth power delivery: The Wankel engine provides a linear power band, which can make for an enjoyable driving experience.

4. Rare and collectible: The NSU Ro80 with a 1801 engine is a rare find. Collectors and enthusiasts may value the opportunity to own one.

5. Relatively simple engine design: The Wankel engine has fewer moving parts than a traditional piston engine, which can make for easier maintenance.

1. High maintenance cost: Despite having fewer moving parts, Wankel engines can be more expensive to maintain due to their complex design and specific lubrication requirements.

2. Lack of low-end torque: The Wankel engine doesn't produce as much low-end torque as a traditional piston engine, which can make for less responsive acceleration.

3. Fuel efficiency: While the Wankel engine is smaller than a comparable piston engine, it doesn't always translate to better fuel efficiency due to its unique design and specific fuel requirements.

4. Limited aftermarket support: Due to the rarity of the NSU Ro80 and its 1801 engine, finding replacement parts and services can be a challenge.

5. Emissions and environmental concerns: The 1801 engine produces high levels of unburned hydrocarbons, which can contribute to smog and other environmental issues.

The NSU Ro80 with a 1801 engine offers a unique driving experience and a collectible value. However, it also comes with high maintenance costs, limited aftermarket support, and environmental concerns. If you are an enthusiast looking for a rare and smooth-running engine, this could be a great choice for you. But, if you are looking for a practical and cost-effective driving experience, you may want to consider other options.

If you are set on owning an NSU Ro80 with a 1801 engine, make sure to do thorough research on the specific vehicle you are considering. Familiarize yourself with its maintenance requirements, common issues, and availability of replacement parts. Additionally, consider budgeting for higher maintenance costs and be prepared for potential challenges in finding services and parts. If you are not committed to this engine, consider exploring alternative options that may better suit your needs and budget.

Details:

Oil is dried some and will need to be free from years of storage but this as new it gets for vintage. Box is in amazing like new condition along with foam insert. Manuals, tools, and muffler still sealed in factory bags. Dead mint never ran or removed from box much.

part #: 1801 prices

• $859.00-$1120.40

specifications rcparta:

• brand: Os
• mpn: 1801
• vintage: No
• compatible brand: Os Max
• type: Rc Engine
• compatible fuel type: Nitro Glow Fuel
• country of origin: Japan

returns rcparta:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

offer rcparta:

• started: June 10, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

payments rcparta:

• other
• credit card: Discover
• wallet: Google-pay

shipping rcparta:

• service: USPS Ground Advantage
• carrier: USPS
• transit: 3-8 Days
• cOst: $15.10
• type: Calculated
• class: Standard

seller rcparta:

• city: Laconia, Indiana
• rating: 99.8%
• # reviews: 7581

general rcparta:

• Radio Control Control Line > RC model Vehicle Parts Accs > Other RC Parts Accs
• condition: New

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