. Cassier's magazine. wheel has hollow spokes whichare cast all in one piece together witha steel rim. This rim has a narrowercircumferential band around it which 466 CASSIERS MAGAZINE fits into a corresponding recess in thewood felloe, and the usual steel tire,being squeezed on afterwards, holdsall tight. A somewhat similar form ofwheel is adopted by the Hercules Mo-tor Company, but in this case the rim,or under felloe, takes the form of achannel in which the felloe proper isheld. Wheels of these types would prob-ably be found the most satisfactory allaround, but with increased loa
. Cassier's magazine. wheel has hollow spokes whichare cast all in one piece together witha steel rim. This rim has a narrowercircumferential band around it which 466 CASSIERS MAGAZINE fits into a corresponding recess in thewood felloe, and the usual steel tire,being squeezed on afterwards, holdsall tight. A somewhat similar form ofwheel is adopted by the Hercules Mo-tor Company, but in this case the rim,or under felloe, takes the form of achannel in which the felloe proper isheld. Wheels of these types would prob-ably be found the most satisfactory allaround, but with increased loads and cordingly, built-up steel wheels areagain being tried. One usual type is that with com-paratively narrow mild steel spokes,cast into the hub and rivetted to a treeor angle-ring felloe on which again isrivetted an outer steel or iron tire insections, generally taking the form ofdiagonal cross strips. This wheel,manufactured by the LancashireSteam Motor Company, Ltd., of Ley-land, Lancashire, is shown in Fig. FIG. 8. DOUBLE PLATE INTERLACED SPOKE WHEEL MADE BY THE THORNYCROFT STEAM WAGGON CO., LTD., BASINGSTOKE the soft ground which the motorssometimes encounter, it is difficult toprovide sufficient diameter of wheeland width of tire in this form. Ac- This type is the one generally used intraction engine practice, and with va-riations in the arrangement of thespokes and in the section of the felloe ROAD WHEELS FOR MECHANICAL VEHICLES 467 rings, it is now being employed byseveral steam waggon makers. Another type is constructed of mildsteel plates cut in such a way that allthe spokes from each side of the hubare in one piece, and are rivetted toboth hub and felloe. This wheel,made by the Lancashire Steam MotorCompany, Ltd., is illustrated in Fig. 7. A variation is to use separate platespokes and to rivet each to bothhub and felloe. With each of these types thearrangement of spokes mayvary. Sometimes the spokesfrom opposite ends of thehub are butted together at thefelloe
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