Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 306
f hardwood. Inmounting the coils within the hull, care should be exer-cised to see that the plunger of the solenoid has a straightpull on the cord rather than one at a slight angle. Itwill probably be necessary to block out the rear end ofeach solenoid base with shims of wood to effect this. A… … Fig. 213—Details of one of the controlling solenoids of the ruddermechanism main on. The large coils draw 15 amperes apiece at 6volts. This amount of current produces a pull that willdraw the plunger out of ones fingers nine times out of
Machinery
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