Sunnytech Solar Stirling Engine for Educational Use

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The M14-03-S model features a speed range of 1300 to 1500 RPM and weighs 480g / 17.74oz. Its dimensions measure 205X100X90mm / 8.07 in 3.93 in 3.54in. The technical parameters include a flywheel diameter of 54mm, a driving wheel of 24mm, a power cylinder inner diameter of 14mm, a piston path of 16.0mm, and a cylinder inner diameter of 19.0mm.

The packing list includes 1 engine, 1 lamp, and 2 wicks.

The QZ05 model operates at a speed of 800-1000RPM and has dimensions of 115115170mm /4.534.536.69in, with a net weight of 270g / 0.60 lb.

To use the product, place the model near a window or suitable light source, avoiding steel desks as they can affect performance. Set the rotor on the board and gently push it to start the smooth, auto-rotation under the light.

The magnetic components are fragile, so users should avoid magnetic suction to prevent damage.

This product makes an excellent gift option for various applications, such as science projects for kids, physical/mechanical learning, teacher demonstrations, and birthday gifts for friends, families, and children. Many of our customers come from schools and colleges, as the easy installation and uninstallation make it suitable for educational purposes.

The product continues to fascinate both young and old with its mysterious operation, making it a great gift for families and friends. It can also be used for teaching purposes, with many customers coming from schools and colleges.

To operate the product, fill the alcohol burner with 95% alcohol (recommended fuel) and light it. Allow the light to burn the round-ended cylinder for about 20 seconds, then gently push the wheel, and it will run smoothly for over 8 hours continuously, as tested by one customer.

No manual is required for easy operation. Simply set the rotor on the board, and it will levitate successfully. Give the rotor a gentle push, and it will run smoothly through auto-rotation under the light.

Decorative and impressive, this product is an amazing conversation piece for your desk, proven to impress visitors. It's a cool piece of art that can stand alone on your desk.

product information: