| Show CARE CRE AND OF j I AUTOMOBILE TIRES I I CONDITIONS EVERY I OWNER SHOULD KNOW This is the first of a series of instructive instructive in in- articles by Mr Sewell on care of tires that will be bo published exclusively by byTHE THE TELEGRAM One article will appear each Sunday Next Sundays Sunday's will Sundays will be Application and Misapplication of Tires By W. W L. L SEWELL Tires like lUte the engine or other parts of a a. car requIre a seasonable reasonable amount of attention and care are if it the owner expects ex expects expects ex- ex to secure the best results There have been many refinements in the I construction of ot tires Ures and those built with quality for tor a base are very de dependable de- de dependable in In fact the motorist ordinarily places so much conf confidence dence in inthe in inthe the tire fire equipment sometimes unc unconsciously unconsciously n- n i that the tires do not receive r the frequent inspection and attention I that is considered necessary for for- forthe the car I Sho Should ld the engine overheat t and d the bearings burn out due due to to lack of lubrication the tha result would not be cons considered an an evidence evidence of of me mechanical error erroY It would be pr properly perly chargeable to oversight and neglect It is s not always possible to avoid stones other r s sharp arp objects ruts and severe and severe road conditions and I and Ishall I shall not attempt to define certain rules tules 01 or offer impracticable V suggestions suggestions' to be followed In using tires It Is Is' the pr privilege privilege vi- vi lege of the purchaser of- of ofa of-a a tire to use same to his own ideas but I believe behave that with more information relative to tire conditions conditions' f j and with frank trank friendly advice regarding the causes remedies etc it will willbe be possible possible possible ble in many instances to Increase the he service and decrease the arino annoyance an e and expense Quality alone nIona w whether eth r it Jit pertains rt tc to tires or car car cara will not in insure insure in- in in-I in I sure the greatest efficiency r but a combination combination com of quality and proper care will result in satisfactory service at a low I cost of maintenance I have prepared this series of articles I in connection with tire fire usage with a feeling of oP r real aI interest to In the the service I and pleasure of every car owner Technical Tech Tech- I terms have been beert avoided and effort made to illustrate and V discuss these subjects in an easy clear manner manner man nian ner so that same will not b be difficult for the layman to und understand Selection The application care and usage of tires aro arc necessary things to consider but it is essential to good service that I the correct type and size be adopted Car construction power lateral r rains and traction strains to the must be kept in mind when deciding upon diameter and cross section of ot tire equipment but the weight of of car Is lt t k L Y a 3 4 W W. w L. L Sew Sewell ll manager of the local branch of the Firestone Tire and Rubber company probably the most Important thing 1 The weight of the car can be ascertained ascertained ascer ascer- by running the front half hatt of Iton it itoh iton oh on on platform scares then rear half hatt and the weight carried by each tire will be beon on one half natt of the respective amounts Middle of wheel base will be be- bethe the weight dividing point between the front andrear and andrear andrear rear rear haly halye's s of car The approach to the scales should be level and if It reasonable rea rea- care is exercised the total of the two operations will be within twenty or thirty ty pounds of the weight of the car when all of it is upon the scales scale Tire Types Much del delay an and annoyance can be avoided when ordering new tires by specifying th this the i style Regular clincher cases have stretchable beads and are designed for use on regular clincher one piece rims they are sometimes us used d. d also on quick detachable clincher rims When used on regular clincher rIms Tims It is is desirable for sizes including the f inch four and above to use use clips or e sta to hold beads securely on on rim clinches ches When using regul regular r clincher tires on quick detachable clincher rims it is necessary to use flaps to protect the inner inner- tubes Quick detachable clincher cases easel have beads beads' and can only be used on quick d detachable rims and the split type of clincher rims This style of tire should always be equipped with flaps Straight side or straight b bead ad cases have cables cables- Imbedded In in the base and ar are I designed ed only f for fo r i quick detachable straight side rims and split type of straight side tires are sometimes used on quick detachable clincher rims having filler tiller beads fitted in clincher of rims This is not to be recommended however as the base width of this style of rim is not suitable suitable suitable suit suit- able for straight side tires Oversize Tires V Weight and distribution of of V car p power ver gear ratio sp speed ed and other points are considered by the car en engineers engineers en- en engineers and tire makers in determining determining ing the tire tiro sizes necessary for equip equip- ment It will be bo appreciated however that the usage of ot cars will vary on a ac account account ac- ac count of road conditions Therefore It Itis Itis Itis is reasonable to expect some trouble from the tires on on ona a small p percentage of cars even though the equipment ona on ona ona a majority of ot the cars proved satisfactory satisfactory satisfactory satis satis- factory in every respect When tires are loaded beyond their normal carrying capacity th the fabric is not only strained but develops a more moro hinging action and heat at edges or of tread The materials employed in the manufacture of tires are limited in strength like other articles and when taxed beyond that point will be efficient Oversize tires tires' were primarily de designed designed designed de- de signed for th the exceptional hard service service ice but have come into g general favor because of extra strength easier riding cushion and longer mileage In fact experienced car owners owners specify the oversize tires in many instances for original equipment of new cars The resiliency of larger tires reduces the traction slippage on rear Wheels adds to comfort and lessens vibration to the mechanism of the car care can I When oversize tires tires 1 lare are placed on front wheels that that- ere originally equipped w with th regular size tires the the- overall vilf Will be be e increased approximately approximately approximately ap ap- proximately one inch the and and ind the speedometer speedometer speed speed- speedometer ometer should be readjusted sted otherwise tho the mileage record v w will ill ll be less than that actually traveled There is not enough a added ded weight weigh In oversize tires Ures to o affect transmission or or differential or make any ny objectionable difference in the power The advantages advantages advantages of ot oversize tires without the in inconvenience inconvenience inconvenience in- in convenience or expense of wheel equipment are are features which mean meah more more- safety and pleasure to to motorists tom t |
