. St. Nicholas [serial] . crew-bolts, commonly known as lag-screws, will holdthe straps in place, and from the square end ofthe shaft the connection is made for power. Inplace of an iron strap another piece of woodmay be cut and clamped down over the axleend as shown at G. Another water-wheel can be made from thehubs and spokes of two old wheels, preferablythose from a buggy or light wagon. Removethe iron boxes from the hubs by driving themout, then cut a hole in each hub with a chiseland mallet, as shown at D, so they will be atleast 1^2 inches square. From hickory or otherhard wood make an a
. St. Nicholas [serial] . crew-bolts, commonly known as lag-screws, will holdthe straps in place, and from the square end ofthe shaft the connection is made for power. Inplace of an iron strap another piece of woodmay be cut and clamped down over the axleend as shown at G. Another water-wheel can be made from thehubs and spokes of two old wheels, preferablythose from a buggy or light wagon. Removethe iron boxes from the hubs by driving themout, then cut a hole in each hub with a chiseland mallet, as shown at D, so they will be atleast 1^2 inches square. From hickory or otherhard wood make an axle the size of the holes,and arrange the hubs on it so they will be thirtyinches apart. One side of each spoke shouldbe cut as shown at E, so the blades will lieagainst a flat place instead of against therounded surface. The blades can be from 30to 36 inches long and 10 or 12 inches wide, andheld to the spokes with carriage or tire bolts. This wheel can be swung in bearings as de-scribed above, and from the square end of. FIG. 12. DETAILS OF WHEEL SHOWN ON OPPOSITE PAGE. the axle the power can be taken. Both ofthese wheels can be used as overshot or under-shot, but not as breast-wheels, for a breast-wheelmust have pockets to hold the water, and the *9°5-] THE PRACTICAL BOY. 715 overshot wheel should have them too if theforce and weight of water are to be counted onfor all the power available. A very simple and efficient device of a barrel-
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Keywords: ., bookauthordodgemar, bookcentury1800, bookdecade1870, bookyear1873
