TOYAN FS-S100AT Single-cylinder Four-stroke Nitro  General Engine Model for RC Car Ship Model Teaching Show - Souvenir Version Please note :1. Glad to tell you that Toyan made an updated version of the FS-S100AT see-through engine. That is TOYAN FS-S100AT1D-XP, which includes an engine, starter kit, one-key-start metal base, and a battery. Before, if you wanted to buy the full set of the FS-S100AT engine, you needed to pay almost USD 600 to buy the whole set like the engine, a set of starter kits, a metal base, and a battery. But now, pay as little as USD $249.99 to get what you want during Stirlingkit pre-order sale time. 2. Price: The first 100 orders can enjoy Automative 100$ off, which is $ 249.99 USD. Later The price will rise to $299.99usd.3. Please note that these two versions are all finished version instead of the KIT version.4. Please note that you don't need to buy any starter kit or metal base for the new TOYAN FS-S100AT1D-XP because they are included in the parcel.5. this engine has last 14pcs left. hurry up before it's sold out.   What's the Difference Between TOYAN FS-S100AT 1D-XP and TOYAN FS-S100AT? Feature/Specification TOYAN FS-S100AT1D-XP TOYAN FS-S100AT Color Black and Silver Black and Golden Design and Features - Internal Combustion Chamber Observable Observable - Carburetor System Adjustable Adjustable - Ignition Angle Flywheel Adjustable Adjustable - Cooling Fan High-efficiency High-efficiency - Camshaft Design Mid-camshaft Center camshaft - Precision Parts Yes (high-precision) Yes (high-precision) Usage Instructions QR Code Instructions QR Code Instructions - Ignition CDI CDI - Fuel Gasoline/Methanol Gasoline/Methanol - Fuel Recommendation Methanol recommended for more sensitive and convenient starting Methanol recommended for more sensitive and convenient starting Applications - RC Models 1:10, 1:12, 1:14 1:10, 1:12, 1:14 - Scientific Experiments Yes Yes Age Recommendation 16+ 14+ Specifications - Displacement 3.5cc 3.5cc - Piston Diameter 16.62mm 16.62mm - Speed Range 4000-10500 RPM 3200-8500 RPM - Power 0.82PS 0.82PS Weight - Product 1900g 410g - Package 2500g 1066g Packaging Gift Box Graphic Carton Package Content - Engine Yes (1) Yes (1) - Base Free (1) Not included. Costs$95.99 - Starter Kit Free (1) Not included. Costs $119.9 - Gift Box Yes (1) Yes (1) - Battery Free (1) Not included. Costs $15 Which One is better, FS-S100AT 1D-XP or FS-S100AT? Aspect TOYAN FS-S100AT 1D-XP TOYAN FS-S100AT Disadvantages Cost-saving Measures Replaced parts with lower-cost configurations, molded base for cost reduction Original version uses higher-cost configuration Original Intended Use Initially designed for business gifts, may require disassembly for RC car modification High threshold for use, requires additional accessories and independent setup Advantages Cost-effectiveness Engine, base, and accessories packaged at the same price as engine alone, offering more value More flexible use, no need to purchase additional accessories if already own base and ignition accessories Gift Presentation Packaged in a gift box, suitable for collection or presentation Packaged in a gift box Design Features Fixed connecting cable for neater appearance, pre-debugged parts for convenient one-click start N/A User Playability Suitable for novices, easy one-click start More playability, suitable for professional users, enjoyment of independent machine debugging Flexibility Limited to installation on RC cars, boats, or desktops Can be used flexibly and freely without restrictions Cost Consideration More cost-effective option May require additional expenses for separate accessories Features: .This product is an engine model specially designed and developed to commemorate the fifth anniversary of TOYAN. Adopts the design of the internal combustion chamber of the observable engine, with the newly designed adjustable carburetor system, adjustable ignition angle flywheel, high-efficiency cooling fan, and the center camshaft design reduces the height of the engine to the extreme, making it extremely compact Four-stroke engine model. .Micro engine, small "heart", powerful power; high-precision precision parts provide protection for output power, thermal efficiency, high horsepower, etc.; all-metal body design, aviation aluminum CNC machining alloy steel crankshaft, high-precision piston ring, precision Grinding cylinder liner, alloy valve, high strength timing pulley. More than 200 parts are processed by CNC, with superb craft quality, presenting exquisite and beautiful engine model. .The mechanical structure is perfectly presented, the clear flywheel and transmission structure are clear at a glance, and the logical and powerful mechanical beauty is displayed; based on the classic invention and design in the history of industrial science and technology, the core principles of machine operation are presented, and the application value of the machine is intuitively displayed. .While the product has independent functions and structures, it can also be DIY modified for upgrade and combination as a power system. .Use Method: This engine model needs to be started by CDI ignition. The fuel requires the use of mixed gasoline fuel (#92 and above gasoline and two-stroke 2T engine oil ratio of 25:1) or methanol fuel (20%-25% nitromethane finished product Fuel) .Note: Please use it with caution during operation. Do not touch the motor fan with your hands to avoid scratching or touching the cylinder to prevent burns. .This engine model can be used as the engine power of 1:10, 1:12, 1:14 aircraft and ship model. With its unique perspective combustion chamber design, it can also be used in science and education experiments, teaching demonstrations, etc. More practical application scenarios are waiting for you explore and develop in person.