{"product_id":"retrol-ve-02-flame-licker-vacuum-engine-generator-model-rtr-with-led-light","title":"RETROL VE-02 Flame Licker Vacuum Engine Generator Model RTR Stirling Physics Toy with LED Light \u0026 Wood Base","description":"\u003cstyle\u003e\n  .ve02-product {\n    --ve-orange: #f47721;\n    --ve-black: #171717;\n    --ve-gray: #666;\n    --ve-light: #f5f5f5;\n    color: var(--ve-black);\n    font-family: Arial, Helvetica, sans-serif;\n    line-height: 1.65;\n    max-width: 100%;\n    margin: 0 auto;\n  }\n\n  .ve02-product * {\n    box-sizing: border-box;\n  }\n\n  .ve02-product img {\n    display: block;\n    width: 100%;\n    height: auto;\n    border-radius: 8px;\n  }\n\n  .ve02-product h2,\n  .ve02-product h3 {\n    color: var(--ve-black);\n    line-height: 1.25;\n    margin-top: 0;\n  }\n\n  .ve02-product h2 {\n    font-size: clamp(24px, 4vw, 34px);\n    font-weight: 800;\n    margin-bottom: 14px;\n  }\n\n  .ve02-product h3 {\n    font-size: 19px;\n    font-weight: 700;\n    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grid-template-columns: 1fr;\n    }\n\n    .ve02-product .ve02-feature {\n      padding: 18px;\n    }\n\n    .ve02-product .ve02-specs {\n      font-size: 14px;\n    }\n\n    .ve02-product .ve02-specs td {\n      padding: 11px 9px;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"ve02-product\"\u003e\n\u003c!-- 1. HERO IMAGE --\u003e\n\u003csection class=\"ve02-hero\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/retrol-ve-02-flame-licker-vacuum-engine-generator-model-rtr-with-led-light-on-the-desk.jpg?v=1794562194\" alt=\"RETROL VE-02 flame licker vacuum engine with generator lighting an LED street lamp on a desk\" loading=\"eager\"\u003e\n\u003cdiv class=\"ve02-hero-copy\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003eRETROL VE-02 · Ready to Run\u003c\/div\u003e\n\u003ch2\u003eA Working Flame Licker Engine You Can See, Hear and Explore\u003c\/h2\u003e\n\u003cdiv class=\"ve02-orange-line\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp class=\"ve02-intro\"\u003eBring the fascinating principles of heat and vacuum power to your desk. The RETROL VE-02 is a ready-to-run flame licker vacuum engine featuring a solid copper cylinder, an integrated cooling system and a belt-driven generator that can light up the included street lamp.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 2. PRODUCT INTRO --\u003e\n\u003csection class=\"ve02-section ve02-center ve02-dark\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003eMore Than a Display Model\u003c\/div\u003e\n\u003ch2\u003eReal Motion. Real Heat. Real Mechanical Details.\u003c\/h2\u003e\n\u003cp class=\"ve02-intro\"\u003eWatch the flame heat the working cylinder, see the flywheels turn and discover how the engine converts heat energy into mechanical motion. No complicated assembly is needed to get started.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- 3. KEY FEATURES --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-center\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003eBuilt for Real-World Enjoyment\u003c\/div\u003e\n\u003ch2\u003e4 Reasons the VE-02 Stands Out\u003c\/h2\u003e\n\u003cp class=\"ve02-intro\"\u003eLess setup frustration, smarter cooling details, a working generator and hands-on mechanical controls — the VE-02 is designed to be enjoyed straight away and explored in depth.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-grid\"\u003e\n\u003cdiv class=\"ve02-feature\"\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003e01 \/ READY TO RUN\u003c\/div\u003e\n\u003ch3\u003eFactory-Assembled, Tuned and Tested\u003c\/h3\u003e\n\u003cp\u003eNo piles of loose parts or hours spent aligning gears and adjusting components. The VE-02 arrives as a ready-to-run model, assembled and tested before shipping, so you can spend less time troubleshooting and more time enjoying the engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-feature\"\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003e02 \/ SMART COOLING DETAILS\u003c\/div\u003e\n\u003ch3\u003eIntegrated Cooling, Easier Water Filling\u003c\/h3\u003e\n\u003cp\u003eThe cooling chamber is built right into the solid copper cylinder. A custom fine-spout stainless-steel filling cup makes adding water much more controlled, helping you avoid spills on the wooden base and nearby hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-feature\"\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003e03 \/ POWER THAT YOU CAN SEE\u003c\/div\u003e\n\u003ch3\u003eA Generator That Lights the Street Lamp\u003c\/h3\u003e\n\u003cp\u003eA belt connects the running engine to a miniature generator. As the flywheels turn, the generator produces electricity to light the included street lamp — a satisfying demonstration of heat, motion and electrical power working together.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-feature\"\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003e04 \/ HANDS-ON MECHANICAL CONTROL\u003c\/div\u003e\n\u003ch3\u003eMore Than a Beginner's Display Model\u003c\/h3\u003e\n\u003cp\u003eExplore the built-in alcohol fuel cup, lockable flame-adjustment handwheel, timing degree wheel and support for both dry and wet lubrication. These practical details give experienced enthusiasts more to inspect, adjust and appreciate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 4. COPPER CYLINDER IMAGE --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-image-text\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/COPPER-CYLINDER-retrol-ve-02-flame-licker-vacuum-engin.jpg?v=1794562444\" alt=\"Close-up detail of the RETROL VE-02 solid copper cylinder\" loading=\"lazy\"\u003e\n\u003cdiv class=\"ve02-copy\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003e01 \/ Material \u0026amp; Craftsmanship\u003c\/div\u003e\n\u003ch2\u003eA Copper Cylinder at the Heart of the Engine\u003c\/h2\u003e\n\u003cp\u003eThe solid copper cylinder is one of the defining features of the VE-02. Its machined finish gives the engine a distinctive mechanical character while serving an essential role in its heat-driven cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 5. COOLING IMAGE --\u003e\n\u003csection class=\"ve02-section\" style=\"background: #f5f5f5;\"\u003e\n\u003cdiv class=\"ve02-image-text reverse\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/COOLING-retrol-ve-02-flame-licker-vacuum-engine.jpg?v=1794563554\" alt=\"Integrated evaporative cooling structure of the RETROL VE-02 flame licker engine\" loading=\"lazy\"\u003e\n\u003cdiv class=\"ve02-copy\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003e02 \/ Integrated Cooling\u003c\/div\u003e\n\u003ch2\u003eEvaporative Cooling Without a Separate Pump\u003c\/h2\u003e\n\u003cp\u003eThe VE-02 features an integrated evaporative cooling arrangement. Its pump-free design keeps the system straightforward while adding another interesting mechanical detail to explore.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 6. PRECISION FILLING CUP IMAGE --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-image-text\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/filling-cup--retrol-ve-02-flame-licker-vacuum-engine.jpg?v=1794565244\" alt=\"Custom fine-spout stainless-steel filling cup for the RETROL VE-02 cooling chamber\" loading=\"lazy\"\u003e\n\u003cdiv class=\"ve02-copy\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003e03 \/ Precision Water Filling\u003c\/div\u003e\n\u003ch2\u003eEngineered Down to the Last Drop: The Precision Filling Cup\u003c\/h2\u003e\n\u003cp\u003eThe cooling port on the solid copper cylinder is intentionally compact. Pouring water straight from a bottle can be awkward and messy, leaving unwanted spills on your wooden base and nearby metal hardware.\u003c\/p\u003e\n\u003cp\u003eThe custom fine-spout stainless-steel filling cup gives you better control when adding water. Direct the flow where it needs to go, add the right amount and help keep the surrounding base clean and dry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA useful detail to know:\u003c\/strong\u003e This is a dedicated filling tool, not a circulating water tank. The cooling chamber is neatly integrated inside the copper cylinder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 7. FUEL CUP IMAGE --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-image-text\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/fuel-cup--retrol-ve-02-flame-licker-vacuum-engine.jpg?v=1794563233\" alt=\"Integrated alcohol fuel cup and wick on the RETROL VE-02 engine\" loading=\"lazy\"\u003e\n\u003cdiv class=\"ve02-copy\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003e04 \/ Fuel System\u003c\/div\u003e\n\u003ch2\u003eIntegrated Fuel Cup and Wick\u003c\/h2\u003e\n\u003cp\u003eThe integrated fuel cup and wick supply the flame that drives the engine's operating cycle. Use only the recommended fuel: 95% ethanol or anhydrous ethyl alcohol.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Isopropyl alcohol and rubbing alcohol are not suitable substitutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 8. PRECISION MECHANICAL TUNING --\u003e\n\u003csection class=\"ve02-section\" style=\"background: #f5f5f5;\"\u003e\n\u003cdiv class=\"ve02-image-text reverse\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/FLAME-ADJUSTER-retrol-ve-02-flame-licker-vacuum-engine.jpg?v=1794562883\" alt=\"Adjustable flame control handwheel on the RETROL VE-02 engine\" loading=\"lazy\"\u003e\n\u003cdiv class=\"ve02-copy\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003e05 \/ Precision Mechanical Tuning\u003c\/div\u003e\n\u003ch2\u003eFine-Tune the Flame. Master the Timing.\u003c\/h2\u003e\n\u003cp\u003eThe VE-02 gives you more than basic flame control. Its adjustable flame handwheel and integrated timing degree wheel let you explore two essential aspects of engine tuning: heat control and valve timing.\u003c\/p\u003e\n\u003cp\u003eAdjust the flame to regulate the heat supplied to the cylinder and fine-tune the engine's operating speed, with an adjustable range of approximately 200–1,000 RPM. The lockable handwheel helps keep your chosen flame setting in place during operation.\u003c\/p\u003e\n\u003cp\u003eFor more precise adjustments, the timing degree wheel is built directly into the valve rocker assembly—not added as a separate accessory. As you adjust the valve timing, the degree wheel moves in sync with the mechanism while the fixed pointer provides a clear reading. This helps you find and record the valve opening position that works best for the flame licker's vacuum cycle.\u003c\/p\u003e\n\u003cp\u003eFound your ideal settings? Record the angle and return to it after cleaning, lubrication or reassembly, instead of starting the tuning process all over again.\u003c\/p\u003e\n\u003cp\u003eWith both controls exposed and easy to observe, the VE-02 makes mechanical adjustment part of the experience—not just something happening inside the engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 9. GENERATOR IMAGE --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-image-text\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/GENERATOR-LAMP-COOLING-retrol-ve-02-flame-licker-vacuum-engine.jpg?v=1794563910\" alt=\"The RETROL VE-02 belt-driven generator powering its included street lamp\" loading=\"lazy\"\u003e\n\u003cdiv class=\"ve02-copy\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003e06 \/ Power Generation\u003c\/div\u003e\n\u003ch2\u003eTurn Heat Into Light: The Ultimate Energy Loop\u003c\/h2\u003e\n\u003cp\u003eLet's face it—most desktop engine models simply spin their flywheels. The VE-02 takes the experience a step further.\u003c\/p\u003e\n\u003cp\u003eDiscreetly mounted on the side, a belt-driven generator converts the engine's mechanical rotation into electrical power (5–24V). Connect it to the miniature retro street lamp included in the box, and watch it come to life as the engine runs.\u003c\/p\u003e\n\u003cp\u003eIt's a fascinating demonstration of energy conversion in action: heat drives motion, motion generates electricity, and electricity brings light. No complicated theory required—just a working energy loop you can see happening right on your desk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 10. HOW IT WORKS --\u003e\n\u003csection class=\"ve02-section ve02-dark\"\u003e\n\u003cdiv class=\"ve02-center\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003eThe Working Principle\u003c\/div\u003e\n\u003ch2\u003eHow Does a Flame Licker Engine Work?\u003c\/h2\u003e\n\u003cp class=\"ve02-intro\"\u003eA flame licker engine uses heat and cooling to create pressure differences that drive a piston and turn the flywheel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003eSTEP 01\u003c\/div\u003e\n\u003ch3\u003eHeat\u003c\/h3\u003e\n\u003cp\u003eThe flame heats the working cylinder and the air inside it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003eSTEP 02\u003c\/div\u003e\n\u003ch3\u003ePressure Change\u003c\/h3\u003e\n\u003cp\u003eThe engine's valve timing and cooling cycle create pressure differences that move the piston.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003eSTEP 03\u003c\/div\u003e\n\u003ch3\u003eMotion\u003c\/h3\u003e\n\u003cp\u003eThe moving piston drives the crank mechanism and flywheels, producing continuous rotation while the engine is operating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"ve02-feature-number\"\u003eSTEP 04\u003c\/div\u003e\n\u003ch3\u003eElectricity\u003c\/h3\u003e\n\u003cp\u003eThe rotating engine drives the belt-connected generator, which can power the included street lamp.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 11. SPECIFICATIONS --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-center\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003eTechnical Details\u003c\/div\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003ctable class=\"ve02-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRETROL VE-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003eFlame Licker Vacuum Engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eReady to Run\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCylinder Material\u003c\/td\u003e\n\u003ctd\u003eSolid Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eIntegrated Evaporative Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Range\u003c\/td\u003e\n\u003ctd\u003e200–1,000 RPM (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenerator Output\u003c\/td\u003e\n\u003ctd\u003e5–24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Fuel\u003c\/td\u003e\n\u003ctd\u003e95% Ethanol \/ Anhydrous Ethyl Alcohol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e250 × 100 × 150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 1,300 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Material\u003c\/td\u003e\n\u003ctd\u003eWood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003c!-- 12. PACKAGE CONTENTS --\u003e\n\u003csection class=\"ve02-section\" style=\"background: #f5f5f5;\"\u003e\n\u003cdiv class=\"ve02-center\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003eIn the Box\u003c\/div\u003e\n\u003ch2\u003eWhat You'll Receive\u003c\/h2\u003e\n\u003cp class=\"ve02-intro\"\u003eThe package includes the engine and the accessories needed for operation and basic maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-package\"\u003e\n\u003cdiv class=\"ve02-package-item\"\u003e01. RETROL VE-02 Engine\u003c\/div\u003e\n\u003cdiv class=\"ve02-package-item\"\u003e02. Generator\u003c\/div\u003e\n\u003cdiv class=\"ve02-package-item\"\u003e03. Street Lamp\u003c\/div\u003e\n\u003cdiv class=\"ve02-package-item\"\u003e04. Filling Bucket\u003c\/div\u003e\n\u003cdiv class=\"ve02-package-item\"\u003e05. Graphite lubricant\u003c\/div\u003e\n\u003cdiv class=\"ve02-package-item\"\u003e06. Wrenches\u003c\/div\u003e\n\u003cdiv class=\"ve02-package-item\"\u003e07. Instruction Manual\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 13. SAFETY --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-center\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003ePlease Read Before Use\u003c\/div\u003e\n\u003ch2\u003eImportant Safety Information\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-warning\"\u003e\n\u003cp\u003e\u003cstrong\u003eAge recommendation:\u003c\/strong\u003e 16+. Minors must use the engine under adult supervision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor operation only:\u003c\/strong\u003e Operate outdoors in a well-ventilated area. Never run the engine indoors, in a garage, shed or other enclosed space. Combustion can produce carbon monoxide, which is dangerous and can be fatal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHot surfaces:\u003c\/strong\u003e The flame, cylinder and other engine components become hot during operation. Do not touch them while running or before they have cooled down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFuel:\u003c\/strong\u003e Use only 95% ethanol or anhydrous ethyl alcohol. Keep fuel away from flames and other ignition sources when filling. Never refill a hot or operating engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating time:\u003c\/strong\u003e Maximum continuous runtime is 20 minutes. Allow the engine to cool for at least 10 minutes before using it again.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupervision:\u003c\/strong\u003e Keep the engine away from children, pets, flammable materials and unattended areas during operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 14. FAQ --\u003e\n\u003csection class=\"ve02-section\"\u003e\n\u003cdiv class=\"ve02-center\"\u003e\n\u003cdiv class=\"ve02-eyebrow\"\u003eNeed to Know\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ve02-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the RETROL VE-02 require assembly?\u003c\/summary\u003e\n\u003cp\u003eThe VE-02 is supplied as a ready-to-run engine. Please refer to the included instruction manual for setup, fuel preparation and operating guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat type of fuel should I use?\u003c\/summary\u003e\n\u003cp\u003eUse 95% ethanol or anhydrous ethyl alcohol. Do not use isopropyl alcohol or ordinary rubbing alcohol as a substitute.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I operate the engine indoors?\u003c\/summary\u003e\n\u003cp\u003eNo. Always operate the engine outdoors in a well-ventilated area. Combustion can produce carbon monoxide, so indoor use, including garages and sheds, is not safe.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long can the engine run continuously?\u003c\/summary\u003e\n\u003cp\u003eThe recommended maximum continuous runtime is 20 minutes. Allow the engine to cool for at least 10 minutes before operating it again.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan the generator light the included street lamp?\u003c\/summary\u003e\n\u003cp\u003eYes. The belt-driven generator produces an output of 5–24V and can power the included street lamp when the engine is running.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the engine speed adjustable?\u003c\/summary\u003e\n\u003cp\u003eYes. The flame adjuster allows you to regulate the operating speed. The stated speed range is approximately 200–1,000 RPM, depending on operating conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the cooling system need a separate water pump?\u003c\/summary\u003e\n\u003cp\u003eNo. The VE-02 uses an integrated evaporative cooling design that does not require a separate water pump.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this engine suitable for beginners?\u003c\/summary\u003e\n\u003cp\u003eThe ready-to-run format makes it easier to get started. However, it is a working flame-powered model with hot surfaces and flammable fuel, so users should read the manual and follow all safety instructions before operation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 15. FINAL MESSAGE --\u003e\n\u003csection class=\"ve02-final\"\u003e\n\u003ch2\u003eBring Mechanical Motion to Life.\u003c\/h2\u003e\n\u003cp\u003eExplore the fascinating world of flame licker engines with the RETROL VE-02 — a working mechanical model made for enthusiasts, collectors and curious minds.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Stirlingkit","offers":[{"title":"Default Title","offer_id":68219423195349,"sku":"SK3770598","price":309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/stirlingkit-retrol-ve-02-flame-licker-vacuum-engine-generator-model-rtr-with-led-light_1_e28da605-7459-415d-ae69-8721575c6860.jpg?v=1794567041","url":"https:\/\/www.stirlingkit.com\/ko\/products\/retrol-ve-02-flame-licker-vacuum-engine-generator-model-rtr-with-led-light","provider":"Stirlingkit","version":"1.0","type":"link"}