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RETROL & OKMO B01 Ball Top Vertical Hit and Miss Engine Miniature Gas ICE Engine - RETROL Engine Models
RETROL
Engine Models SKU: 3651455

RETROL & OKMO B01 Ball Top Vertical Hit and Miss Engine Miniature Gas ICE Engine

★★★★★
5.00 / 5.0 (6 verified reviews)
$479.99 USD

Engineering Summary

The RETROL & OKMO B01 Ball Top Vertical Hit and Miss Engine Miniature Gas ICE Engine is a 3.6cc Engine Model precision-engineered by RETROL. Features construction machined from metal + wood and operating on Gasoline (95# or higher is recommended). Available for $479.99 USD with free worldwide tracked shipping, 30-day returns, and replacement parts support at Stirlingkit.

✓ Free Worldwide Shipping: Tracked air delivery in 5–14 business days.
✓ Missing Parts Guarantee: Free replacement parts dispatched within 7 days.
✓ 30-Day Risk-Free Returns: Full refund on unbuilt kits in original box.

Technical Specifications

24 Verified Parameters
Material Metal + Wood
Model B01
Form Ready to Run (RTR)
Engine Type Gasoline Internal Combustion Engine
Displacement 3.6cc
Cylinder Diameter 16mm
Stroke 19mm
Speed 300-3000 rpm
Power Approxl. 0.2ps
Cooling Method Water Cooling
Startup Method Manual/Electric Drill Start
Ignition Method Mechanical Ignition
Spark Plug Type British Thread 3/16-40 Spark Plug
Starting Power 1.5V (use 1 AA battery)
Lubrication Method Oil Channel Lubrication
Lubrication Ratio Gasoline/Engine Oil is 25:1 to 30:1
Fuel Gasoline (95# or higher is recommended)
Engine Oil 2T/4T engine oil (10W50 is recommended) 2T)
Product Weight 1600g
Package Weight 1800g
Product Dimensions 20.4 x 10 x 18.4cm
Package Dimensions 25 x 18 x 20cm
Packing Graphic Carton
Ages 16+

Features, Architecture & Package Contents

RETROL & OKMO B01 Ball Top Monitor Vertical Hit and Miss Engine Miniature Gas ICE Engine

Features:


.Unique Structure & Functional Design: Scaled-down version of the original Ball Hopper engine with a ball-top water tank, oil cup inside the cylinder, and crankshaft oil channel for optimal lubrication, smooth operation, and a classic vintage look.
.Innovative Ignition & Stable Support: Features a newly designed mechanical ignition system with the igniter and battery housed in a matching wooden box, paired with a solid wood base for enhanced stability and craftsmanship.
.Quality in Every Detail: Practical elements like water cooling, oil channels, and mechanical ignition, combined with fine woodwork, create an industrial retro aesthetic perfect for display in an office, study, or living room.
.Multi-Value Model: Combines educational (engine principle demonstration), collectible (unique mechanical design), and decorative (vintage display piece) value, meeting diverse needs for hobbyists and enthusiasts.
.Craftsmanship & Gift-Worthy Collectible: Made with precision metal parts and finely textured wood, perfect for mechanical hobbyists, collectors, or as a distinctive and thoughtful gift.

Specifications:

.Material: Metal + Wood
.Model: B01
.Form: Ready to Run (RTR)
.Engine Type: Gasoline Internal Combustion Engine
.Displacement: 3.6cc
.Cylinder Diameter: 16mm
.Stroke: 19mm
.Speed: 300-3000 rpm
.Power: Approxl. 0.2ps
.Cooling Method: Water Cooling
.Startup Method: Manual/Electric Drill Start
.Ignition Method: Mechanical Ignition 
.Spark Plug Type: British Thread 3/16-40 Spark Plug
.Starting Power: 1.5V (use 1 AA battery)
.Lubrication Method: Oil Channel Lubrication
.Lubrication Ratio: Gasoline/Engine Oil is 25:1 to 30:1
.Fuel: Gasoline (95# or higher is recommended)
Engine oil: 2T/4T engine oil (10W50 is recommended) 2T)
.Product Weight: 1600g
.Package Weight: 1800g
.Product Dimensions: 20.4 x 10 x 18.4cm
.Package Dimensions: 25 x 18 x 20cm
.Packing: Graphic Carton
.Ages: 16+

Verified Builder Reviews (6)

Authentic feedback from hobbyists, machinists, and scale model engineers

5.00 / 5.0
★★★★★ (6 total)
BT flywheelers Verified Buyer
★★★★★

Absolutely incredible

Unboxed fuel up with coleman fuel installed a aa battery and gave it a flip of the flywheels and started and ran beautifully . All my friend's were amazed at how its runs it will have a permanent spot in the china cabinet lol

WillSmithHitandMiss Verified Buyer
★★★★★

What an amazing model Hit & Miss Engine

I must say this is one amazing running engine, and has some of the best scale details you will ever find for the price !!

Randy Tucker Verified Buyer
★★★★★

B01 engine

Very nice engine. Run good straight out of box. I have pre ordered B02 hoping it is just as nice. Can't wait to get it. Only thing I have done to B01, is slowed it down some and filled the space in bottom of skid with lead to keep it from bouncing around so much.

Mike P. Verified Buyer
★★★★★

What a great little engine

This B01 engine is so well made, that is easily starts now, with a few flicks of the wrist on the flywheel (i.e. hand turning). I run it with Zippo 12FC Lighter Fluid.

Edwin Pollard Verified Buyer
★★★★★

This B01 is just amazing

Not only Does Stirlingkit have great service and very helpful. This product matches that.. This engine is wonderful, everything thing as i expected.. I have watched the YouTube review from my fellow kiwi Thomas pc guru and he is absolutely right..it's fantastic, it started right from the box, outstanding workmanship and attention to detail. Thank you Jin and Stirlingkit..

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