Fire-absorbing Stirling Vacuum Engine Model with 3 PCS Thin Copper Sheets Air Valve Educational Toys

Notes 1 The positions and angles of the main components have been adjusted and should not be disassembled 2 The air valve is a thin copper sheet After a certain period of high speed up and down movement the installation hole becomes larger and the copper sheet should be replaced in time Specifications mso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt Model SH 03mso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt mso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt Size 18 12 13CMmso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt mso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt Weight 1100gmso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt mso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt Fuel anhydrous ethanol 95 alcoholmso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt Package included mso hansi font family Calibri mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt 1x Engine Modelmso hansi font family Calibri m