Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles
Issue link: https://magazine.cyclenews.com/i/126893
foundation to work with loca l auorneys a nd groups to protect motorcycli sts from di scriminatory laws. But first , we need to kn ow th e nature a n d size o f th e p robl em. It ca n n ot be done without yo u. GEO RGE W. T IN KH AM Auo rnev at Law Ri gh i to Rid e P.O . Box 2564 Spri ngfield, IL 62708 NATIONAL Cool it With out presenting a diss ertation o n h ea t transfer, I would like to point o ut th at yo ur explanation rega rding coola nt perfor mance in th e Project Attack Ninja articl e is slightly mislea di ng. " Hea t tra nsfer" shoul d be emp hasized rath er than " heat ca pacit y." H eat trans fer from cylinder wall s to coola n t an d fro m coo la nt to rad iator tubing is go verned by the coolant's dens ity , velo cit y, viscosit y, and th erma l co nd uct ivity, as we ll as th e coo lant' s heat cap aci ty. Liquid me ta ls, for ex a mp le, have low heat ca paci ties (0.033 Btu /lb.-F for Mercu ry) yet provide high rates of heat transfer because of th eir high th ermal conductivities as com p ared to other fluids. The imp ort ant fac t to rem ember, which th e art icle points out, is that ethy lene g lyco l-wa ter so lutions will keep th e engine coo ler than pure eth ylene gl ycol , whatever th e rea son. America 's weekly motorcycle newspaper Sha ron Cla yton . Pu blishe r Mikt' Klinger , Co m ptroller Skip j ohn son . Associate Pu bl isher Nat ion al S a il'S .tl anagt'T Jack Mangus,'Assoc;at l' Pu blishrr t Senior Editor R he ba Smi th . Circu tntio n M a n O.l{t"T C..t rol in e C,('ndr y. Execu tive Secretary to .. th r Pub lisher Editoriel • J o hn Ulrich . Editor Kit Palmer, Associotr Editor :\Iall Hil genberg . Asso ciate Ed itor Paul Car rut hers, Associate E di to r Farren William s. Associate Edito r Advertising Terry Pr all . Wt"st,.rn Salt's M an ag,.r T im Ryan . U'l'!'s tt'rn Sales Man",gt'r Mar k Thome. Wt'stnn Salt's Managn Mikt: Ch urc h. Eastnn Sates .\1anagt'T • H il;lT)' Brown. Eastern Salt's Mana.':t'r Thomas R. Oo mer. Eastern Salf'.f Mana "tl~r Li nda Brown. U'~.'tt'rn Ad . Coo rdina tor Carl.. Borden. Eastern Ad. Coo rdinator S ancy Wastell. AdvtTt ising I Editorial Allt. Grephics end Production Big thumpers Gi nKt'r Mach ad o. Productio n Managt'T Mal colm Wilson . Graphic Arti.ft Diana H ilgmbcTg. Graphic .·h li.ll Mario n Hatash ita . T ),pt'utlt'T Carolyn Bra nh a m. T vpeseuer Dennis G reen e, Lab. T echnician I g rea tly enjoyed reading " T he Brawn Boys" in th e J anuar y 8 issu e. Mick Woollen usually writes co m preh en sive sto ries in keeping with the tradi tion o f m ost o f th e British journa lis ts. Mick did forg et to m ention. however, o ne of th e grea test four-s troke singles (if not th e bigges t) ever produced by th e Brit s, th e Mat ch less T yphoon. This wa s produced as a " fac to ry" MX machine a nd it enjoyed m ixed success in th e Uni ted Kin gd om. I owned one o f th ese mach ines about 10years ago, and grea tly enjoyed its fabul ou s pow er stro ke. To m y kn owledge thi s was the o n ly 600cc four-strok e single ever mad e. Accounting /Oete Processing Donna Brya n.Accts, Receiva ble Coordinator Ceneva Repa ss. •" .lSi sl a n l fran Ham wey. Cr,.dil Circ ulet ion Sarah Tay lor . A ssistant Lyna H ood. Assislanl Alm a Alquiano. A s.,i.'tatlt Went Ads Candy Hand. It'anl Ad Sales Service end Support Chris Ah cheso n. H ead q uarters Reception ist Leonard Herring, Service and Su pport Net ionel Heedquerters 2201 Che rry An'.• Long Bea ch . CA 90806: I I ma rling ad dress P.O , Box " 98. Long Beach. 1 CA 9080 1-0498; 213 / ·12 7 - 7i3~ . 2 1~ /6~6- 8844 . Eestem Office 4 190 Fi rst Ave.• Tucker . CA 3008-1 ; mai ling addr ess P.O . Box 805. T ucke r. G A 300lG0505: -104/ 934-7850. 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