《农用风车的改革》在本刊一九七六年第七期上发表后,许多生产队将旧式风车进行改革,取得显著效果。根据来信要求,将提出的问题,综合解答如下:1.不同大小风车的改革尺寸(单位:寸) 高,每小时清谷6000、7000斤, 不需要用皮带传动装置,便于农村制作。如用电机带动,可按图2所示安装,叶轮转速大约200转/分以内,否 After the publication of the “Reform of Agricultural Windmills” in the seventh issue of our magazine in 1976, many of the production teams carried out reforms on old-style windmills and achieved remarkable results. According to the request of the letter, the questions to be put forward are as follows: 1. The size of windmill with different sizes (unit: inch) is high, 6000,7000 jin per hour, no belt transmission is needed, and rural production is convenient. Such as motor driven, can be installed as shown in Figure 2, the impeller speed of about 200 rev / min or less, no