RETROL HM-01 Hit and Miss Stationary Engine Full Set with Transport Cart Frame

SKU: 3481143 ×1

Base Equipment Box + Fuel Tank + Oil Pipe Accessory Triad for RETROL HM-01 Hit and Miss Engine Model

Features:

.Specifically designed for the charming RETROL HM-01 Hit and Miss engine model to provide convenience for placement and operation. Purchase and use this optional accessory kit at your own discretion as needed. If you have any questions, please consult us.

Specifications:

.Material: Metal + Bamboo
.Product Weight: 400g
.Package Weight: 500g
.Package Dimensions: 20 x 20 x 20cm
.Packing: Box
.Ages: 16+
——————————————————————–
SKU: 3481144 ×1

CDI Igniter + Spark Plug Kit for RETROL HM-01 Hit and Miss Engine Model Ignition Starter Kit

Features:

.This CDI high-voltage pulse igniter and 1/4-32 ME-8 type spark plug with British thread are designed for the RETROL HM-01 Hit and Miss engine model. Providing convenience for placement and operation, enhancing the retro collectible charm.
.Adopt high-quality electronic components and hand-soldered circuits, ensuring stable ignition and excellent performance with a long lifespan.
.Notes: You will need to connect the engine’s ignition circuit and provide your own JST plug battery power. Please purchase this accessory kit according to your own needs. If you have any questions, please consult us.
 
Specifications:

.Material: Electronic Components + Plastic + Metal
.Product Weight: 90g
.Package Weight: 100g
.Package Dimensions: 20 x 20 x 20cm
.Packing: Box
.Ages: 16+
——————————————————————–
SKU: 3640276 ×1

RETROL HM-01 7cc 4-Stroke Horizontal Stationary Hit and Miss Internal Combustion Engine Model with High/Low Speed Gear Lever (KIT Version/Black)

Features:

.Exquisite Craftsmanship with Premium Materials: Crafted from premium metal and finished in deep obsidian black with a sleek electrophoresis coating, this model engine boasts a refined, wear-resistant surface and smooth industrial lines. Each component is precisely machined and assembled to deliver a tactile and visual experience that exudes mechanical artistry.
.Vintage Aesthetics, Classic Revival: Inspired by traditional agricultural machinery, the engine’s retro design is carefully sculpted to reflect the charm of early engines. The worn-look surface texture under the black finish, combined with authentic mechanical sounds and motion, brings to life the nostalgic appeal of a bygone era.
.Flexible Display and Intuitive Operation: Available in KIT or Assembled versions, it includes a detailed English manual for easy setup. Its compact size makes it perfect for display on desks, shelves, or workspaces. Start and stop the engine manually to enjoy the fun and control of real mechanical operation.
.Educational and Entertaining Mechanical Insight: More than just a beautiful collectible, this Hit-and-Miss engine model offers an engaging way to learn mechanical principles. Watch the unique firing pattern in action and hear its rhythmic sounds — perfect for hobbyists, students, and anyone curious about engineering.
.Collector’s Gem and Thoughtful Gift: A fusion of retro charm, mechanical fascination, and collectible value, this black Hit-and-Miss engine is a prized addition for enthusiasts and model collectors. It also makes an exceptional gift that reflects taste, craftsmanship, and genuine sentiment.
Note:
This engine is a bare unit and does not include accessories such as the spark plug, CDI ignition module, fuel tank, fuel tubing, redwood base, equipment box, or frame. Please purchase these components separately according to your individual needs.
Product Introduction:
.After four months of dedicated development and design, the RETROL team proudly presents the HM-01 Hit and Miss Engine Model—now unveiled in a stunning new black edition, following the widely acclaimed debut of the red version. Upholding the tradition of using premium materials and exceptional craftsmanship, the HM-01 ensures superior reliability and durability.
.In terms of design, this model retains all the iconic elements such as a transparent adjustable main oil cup, new-style carburetor, and resonating exhaust pipe. Two precisely balanced large flywheels work in harmony with the spring governor ball mechanism and split wide-surface pulley, ensuring smooth and stable power output. A specially designed high/low-speed gear lever enables users to freely switch between ultra-slow idle and high-speed operation, delivering a rich, hands-on mechanical experience and endless fun.
.In terms of craftsmanship, the black edition features a deep obsidian black finish achieved through electrophoresis coating, giving it a mysterious and luxurious appearance. Key components such as the engine body, flywheels, and connecting rods are made from 304 stainless steel, while all assembly surfaces are CNC-machined for precision. It is equipped with an integrated high-carbon steel hardened crankshaft, further enhancing its overall quality.
.More than just a highly playable engine model, the black HM-01 is a mechanical masterpiece that perfectly blends mechanical aesthetics with collector value, making it a unique and captivating addition to any collection.

Specifications:

.Material: Metal
.Color: Black
.Brand: RETROL ENGINE
.Model: HM-01
.Form: KIT Version
.Displacement: 7cc
.Cylinder: Horizontal Single Cylinder
.Stroke: 4-Stroke
.Cylinder Diameter: 20mm
.Stroke: 22mm
.Cooling Method: Evaporative Water-cooling
.Lubrication Method: Mixed Oil + Oil Cup Lubrication
.Startup Method: Hand Pull Rope Start
.Ignition Method: CDI Ignition System
.Spark Plug Type: 1/4-32 Thread ME8 Spark Plug
.Fuel: Gasoline 92# or Above
.Lubricant: 4-Stroke Engine Oil (Mixed with Gasoline at a ratio of 1:25)
.Product Weight: 1800g
.Package Weight: 2400g
.Product Dimensions: 17 x 13 x 13cm
.Package Dimensions: 26 x 12 x 18cm
.Packing: Kraft Paper Box
.Ages: 16+
 
——————————————————————–
SKU: 3640278 ×1

Metal 4-SWheel Steering Flatbed Transport Cart for RETROL HM-01 Hit and Miss Engine Model

Features:

.Perfect Match for RETROL HM-01 Engine: This front and rear axle wheel set is custom-designed for the RETROL HM-01 Hit & Miss engine model. Tailored for mechanical enthusiasts and vintage collectors, it’s the perfect companion for both mobility and display.
.Premium Craftsmanship & Premium Finish: The cart features stainless steel spoke-riveted hubs, treated with electrophoresis coating for excellent rust resistance and wear durability. The front axle includes a steel plate suspension system, and the large-diameter metal rim wheels ensure both stability and off-road capability, easily handling grass and dirt paths.
.Smooth Steering & Practical Functionality: Engine and cart are compatible seamlessly, making it easy for daily customization, play, exhibitions, or displays. The steering mechanism at the front allows for manual pushing or towing by a vehicle—great for both entertainment and collection purposes.
.Vintage Collectible & Gift-Worthy Choice: Inspired by early power transport equipment, this cart is a true symbol of vintage mechanical culture. It’s a meaningful gift for mechanical enthusiasts and model collectors, perfect for building a complete retro engine showcase set.
.Component Note & Flexible Add-ons: This kit includes only the front and rear axle wheel assembly. It is partially pre-assembled, with minor user assembly required. The package does not include the engine, ignition kit, redwood base, or equipment box. Additional parts can be purchased separately as needed to complete your setup.
Product Introduction:
.This is a transport device specifically designed for moving Hit and Miss engines. It uses wood as the main structural support material and features a flatbed design for mounting the engine and related components. It can be manually pushed or towed by a vehicle for convenient mobility. The front of the cart is equipped with a steering mechanism for easy directional control, while four large-diameter metal rim wheels underneath improve stability and terrain adaptability, preventing wobbling or tipping. This makes it especially useful for moving across grassy fields, dirt roads, and other uneven surfaces—perfect for use during outdoor agricultural machinery exhibitions and similar events.
.In practical scenarios, this type of cart is commonly seen in early power transport equipment used in agriculture, industry, and related operations. When enthusiasts need to bring their Hit and Miss engines to shows, gatherings, or public events, the flatbed cart makes transport much easier. For example, once the engine is securely mounted on the platform, it can be hauled to the destination by a trailer. Upon arrival, the cart allows the engine to be easily moved to the desired display position.
.Additionally, in daily storage or maintenance, the flatbed cart allows for convenient repositioning of the engine, making it easier to perform repairs and routine upkeep.

Specifications:

.Material: Metal + Wood
.Form: Partially pre-assembled
.Wheel Outer Diameter: 63mm
.Cart Width: 142mm
.Cart Wheelbase: 200mm
.Pull Rod Length: 185mm
.Pull Rod Width: 90mm
.Product Weight: 700g
.Package Weight: 900g
.Package Dimensions: 20 x 15 x 10cm
.Packing: Kraft Paper Box
.Ages: 16+
 
——————————————————————–