GrabCAD 模型信息
Balsa Wooden Fidget Spinner · 模型 298891
A FIDGET SPINNER to use as a VENTILATOR and /or as a HELICOPTER. Whether this model has a chance for a TAKE OFF, I really don't know, but I think, that it can be surely used for a very short time, as a VENTILATOR for a "Mild Breeze". Notes: 1.) Dimensions of the ball bearing: Ø22 mm / Ø8 mm x 7 mm thick 2.) CAD-calculated mass of the ball bearing: 11,2 g 3.) Material for all other components: balsa wood 4.) The density of balsa wood (used for CAD-Calculation): 0,18 g/cm^3 5.) The CAD-calculated mass of the complete FIDGET SPINNER: 14,27 g 6.) The TAKE OFF FORCE needed: > ( 0,01427 kg ) x ( 9,81 m/s ) = 0,14 N If anybody is able to make a FEM-Calculation, which force can be reached, F = f (n), » force is function of the rotation speed « , I would be very grateful for the feedback. The angle of attack and further propeller blade geometry can be taken from the model. The model is available in following data formats: STEP-file (.stp) of the complete assembly and the native files (.prt) and (.asm), together in a (.zip)-folder, for users of »PTC Creo Parametric 2.0« A seperate STEP-file (.stp) and a STL-file (.stl) is available too, for a metal- or plastic version of the ball bearing carrier .
- 格式
- STEP / IGES、STL、Rendering、Other
- 分类
- Just for fun、Miscellaneous、Toys
- 标签
- 未标注
- 数据更新
- 2026-10-21T15:26:07Z
