Popular Sclcnrr Moiilhl// 

 A Revolving Washtub Stand Made 

 of Cart Wheels 



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AS the lady of the house asked for a 

 . washtub stand, the scrap pile was 

 given a thorough search to find boards 

 enough to make one. While doing this 

 two discarded cart wheels were discovered 

 and immedi- 

 ately these 

 suggested the 

 idea of build- 

 ing a rotating 

 stand. The 

 axle was pro- 

 cured and cut 

 down so that 

 its length was 

 right to make 

 the stand hold 

 the tubs be- 

 neath the 

 wringer on the 

 machine. One 

 wheel formed 

 the base, to 

 which braces 

 were attached 

 to hold the axle 

 upright. The 

 other wheel 

 made the re- 

 volving top. Two or three tubs can be set 

 on such a stand and be brought beneath 

 the wringer in turn. — Henry Klaus. 



The revolving upper wheel brings the tubs in their 

 turn under the wringer upon the washing machine 



Proper Cooling for Engines of 

 Motor Boats 



A CONSIDERABLE improvement can 

 be made by motor-boat owners in the 

 proper cooling of the engines as installed 

 by the makers, that will result in in- 

 creased enjoyment and comfort in the use 

 of their craft. 



As the water for cooling the motor is 

 taken from outside the hull there is 

 always a plentiful and cool supply to draw 

 from, and the boat owner never has to 

 worry about a leaky radiator or an over- 

 heated engine as does the autoist. But 

 herein lies one trouble with many marine 

 motors — they are often cooled too much. 

 To obtain the greatest efficiency from the 

 fuel consumed, a gasoline motor should 

 run fairly hot. The fuel vaporizes more 



perfectly, the compression is better and 

 therefore a motor develops more power 

 when hot than when it is cold. Of course 

 this may be overdone. There are certain 

 limits that should be observed in both 

 directions. 



On many motor-boats the pipes for 

 conveying the water to and from the 

 engine, and also the water pumi)s, are 

 much larger than needed and as a result 

 the motor is kept too cool. The varia- 

 tions in the temperature of the water 

 supply are also a factor that is seldom 

 taken into consideration by the man- 

 ufacturers wKen installing the motor 

 equipment. 



A simple and positive method of 

 regulating en- 

 gine tempera- 

 ture is to place 

 an ordinary 

 globe valv^e at 

 some accessi- 

 ble point in the 

 pipe line lead- 

 ing to the en- 

 gine. By using 

 this valve the 

 -^ heat of the mo- 

 tor can be con- 

 trolled to com- 

 pensate for the 

 differences in the temperature of the 

 water supply to secure the best working 

 condition. 



The proper cooling of the exhaust pipe 

 line is another detail that is often not 

 given proper attention by boat makers. 

 When the exhaust pipe runs directly from 

 the motor out through the side of the boat 

 no cooling is necessary, but when it runs 

 under the seats along the side and out at 

 the stern the heat is unpleasant and may 

 sometimes be dangerous. 



To correct this trouble it is only neces- 

 sary to tap the cooling water discharge 

 pipe at some convenient point and con- 

 nect a 1 s-in. pipe to the exhaust line. A 

 globe valve should be placed in the pipe 

 line to regulate the flow of water into the 

 exhaust line. The connection into the 

 exhaust should not be made too close to 

 the motor; 8 or 10 in. from the cylinder 

 is about right. 



By adjusting the valve in the pipe line 

 enough water can be admitted into the ex- 

 haust pipe to keer ic cool, — N. C. Helms. 



