Puxin Junior High School

1090909 solar powered carnnLecturer: Hong Yuqingnnmaterial:nSolar panel x2, low voltage motor, gear 8 teeth 36 teethn3D printing frame, popsicle stick, acrylic sheet, carbon fiber stick, iron stick, straw, hot melt adhesive tape, solder, Ray cut dense wheels, screws, tapenBamboo sticks, plastic boardnntool:nAcrylic heater, scissors, utility knife, hot melt glue gun, electric chrome iron, diagonal pliers, needle-nose pliers, ruler, signature pen, drilling machinennMain gear crown gearnMonocrystalline Silicon Polycrystalline Silicon Amorphous Silicon Solar PanelnThe gearbox must be symmetrical and stablenVarious gear ratiosnLarge series voltage of solar panels, fast speed 7.2Vx150mAnParallel current, large torque, 3.6Vx300mAnThree motor placement positionsnMaterial replacementnFriction reduction and searchnCounterweight fluid mechanicsnTrack erection, halogen lampnInquiry correctionncompetitionnnThe solar panels can be replaced and provided by teachers to reduce costsnnPreliminary assessment of 8 lessonsnn#Technology fieldn#Living Technologyn#second graden#Energy and powern#Material selection and processing

Schools that are not even available for camping ==...

Cheap and delicious

Some schools will have two locationsnPut the photos together

There is a lot of garbage on the playground, a lot of wild dogs and cats