This engine is driven by the temperature differential between the top and bottom plates. To make temperature differential, simply put it on a cup of hot water or on top of ice. The speed depends on the temperature differential: the higher, the faster. It can reach a speed of 180-200 RPM when in good condition. What's it for: *Funny gift *Kids' science project *Hobby *Physical/mechanical learning *Put on your table *You want to spend money but don't want to spend too much Features: * Stand: carbon steel; top and bottom plates: nickel-plated carbon steel; power cylinder and piston: glass; displacer: PVC foam; displacer cylinder wall: plastics; displacer guide: copper; flywheel, cranks, rods, shafts or so: stainless steel. Brand: DjuiinoStar Model: DLTD-303 Speed: 60-200 RPM(revolutions per minute) Start temperature differential: about 20 Celsius/68 Fahrenheit Material: carbon steel, nickel-plated carbon steel, stainless steel, glass, bronze, PVC foam and plastics* Overall size: 103x103x125mm/4.06x4.06x4.92in(L/W/H) Size of flywheel: 87x5.8mm/3.43x0.23in(Diameter/Thickness) Inner diameter of power cylinder: 15.6mm/0.61in Net Weight: 238g/0.52lb
Shipping & Delivery Information
Our Shipping Promise
At Slickpurchase, we understand how important your purchases are. That's why we take extra care with every package we send. All orders are shipped in double-boxes with full insurance for additional protection, ensuring your items arrive safely.
Processing & Shipping Timeline
- Processing Time: Orders are processed within 3-6 business days
- Domestic Delivery: Typically 6-10 business days
Please note that delivery times are estimates and may vary based on your location, weather conditions, or other unforeseen circumstances.
Shipping Destinations
Slickpurchase currently only ships to the United States.
Shipping Costs
We are pleased to offer free standard shipping on all orders within the United States.
Discreet Packaging
We respect your privacy. All Slickpurchase packages are shipped with complete discreet packaging. The product name, description, sender's name, and any information that hints about the contents are encrypted. Your package will arrive without any indication of what's inside, ensuring your purchase remains confidential.
Signature Requirements
Important Note: All orders valued above $250 will require a signature upon delivery for your protection.
Order Tracking
Once your order ships, you'll receive a tracking number via email so you can monitor your shipment's progress every step of the way.
Lost or Delayed Shipments
If your package is lost or significantly delayed, please contact our support team immediately, and we will assist you in resolving the issue.
Additional Security Measures
For your protection, we may contact you for additional order verification of the payment method on certain orders.
Questions or Concerns?
For details on returns and refunds, please refer to our Return Policy page.
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⚠️ WARNING (California Proposition 65):This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.For more information, please visit www.P65Warnings.ca.gov.
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