Sunnytech Mini Hot Air Stirling Engine Motor Model Educational Toy Kits Electricity HA001
- FANTASTIC SMART LITTLE THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM----the stirling engine is produced with high quality material and elegant workcraft. this stirling engine adopts mirror surface stainless steel for the base, brass cylinder, premium spring, HRC55 nickel plating stand and accessories, aluminium alloy dis-placer piston, glass cylinder liner, precision bearing, bearing steel shafts, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting..
- LONG LASTING----It can run for 8+ hours continuous without any broken while using 95% alcohol which test by one customer. Worry about the cylinder glass broken during shipment or usage? It did come with two spare hot cylinder glass tubes and two O-rings inside the package. You can replace it fast and easily. Replacement video instruction included on the manual. We also can make offer for your future parts requirement..
- SMART SIZE WITH TONS OF MECHANICAL KNOWLEDGE----This stirling engine designed reasonable and compact. it adopts Lever mechanism and Crank-rocker Mechanism, it looks more Mechanical and cool. This machine contains pattern of connecting rod piston, crankshaft, lever, bel....