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Re: Jeep Toad
mabar wrote:
> So far in this thread, nobody has answered Jeff's question: Why do > semi-trucks use drum brakes? > > I also am curious - why do they use drums rather than disks? > > Tom > > "L.W.(Bill) ------ III" <----------@cox.net> wrote in message > news:4500AE71.EFC59D0F@cox.net... >> Coils: "sophisticated and compact suspension design" True, most >> often used in subcompact front wheel drive rice burners. "more >> suspension travel" FALSE, their limited four inches of travel makes the >> libby useless on dirt roads: >> http://www.----------.com/temp/LibertyAndTraction.mpeg >> Trucks use drums to stop. Period! >> God Bless America, Bill O|||||||O >> mailto:-------------------- >> > > Hazarding a guess I'd say it's because the drums actually offer more stopping power and are less susceptible to brake fade. Disks are lighter but not as powerful. For us they also handle mud better than drums do, which isn't really a consideration for the average tractor. Of course the real FACTS may completely different than the guess I hazard. :) |
Re: Jeep Toad
mabar wrote:
> So far in this thread, nobody has answered Jeff's question: Why do > semi-trucks use drum brakes? > > I also am curious - why do they use drums rather than disks? > > Tom > > "L.W.(Bill) ------ III" <----------@cox.net> wrote in message > news:4500AE71.EFC59D0F@cox.net... >> Coils: "sophisticated and compact suspension design" True, most >> often used in subcompact front wheel drive rice burners. "more >> suspension travel" FALSE, their limited four inches of travel makes the >> libby useless on dirt roads: >> http://www.----------.com/temp/LibertyAndTraction.mpeg >> Trucks use drums to stop. Period! >> God Bless America, Bill O|||||||O >> mailto:-------------------- >> > > Hazarding a guess I'd say it's because the drums actually offer more stopping power and are less susceptible to brake fade. Disks are lighter but not as powerful. For us they also handle mud better than drums do, which isn't really a consideration for the average tractor. Of course the real FACTS may completely different than the guess I hazard. :) |
Re: Jeep Toad
Well... I guess an awful lot depends on how the rest of the suspension
is designed, and of course a LOT of vehicles use them, not just weenie little cars! Jeff DeWitt L.W.(Bill) ------ III wrote: > Coils: "sophisticated and compact suspension design" True, most > often used in subcompact front wheel drive rice burners. "more > suspension travel" FALSE, their limited four inches of travel makes the > libby useless on dirt roads: > http://www.----------.com/temp/LibertyAndTraction.mpeg > Trucks use drums to stop. Period! > God Bless America, Bill O|||||||O > mailto:-------------------- > > Jeffrey DeWitt wrote: > >>OK, lets see if I've got this straight. >> >>Coils offer a better ride, more suspension travel enable a more >>sophisticated and compact suspension design. >> >>Leaf's are stronger and a leaf spring suspension can potentially put up >>with more abuse over the long term because of it's strength and simplicity. >> >>The big trucks use drums because that's what they've always used. >> >>Does that sound about right? >> >>Jeff DeWitt >> >>Simon Juncal wrote: >> >>>L.W.(Bill) ------ III wrote: >>> >>> >>>> That's because skyjacker and most off road after market >>>>manufacturers weren't around in the sixties. And of course that's reason >>>>Bronco never won the BaJa 1000, they came new with coil springs: >>>>http://www.----------.com/bouncingFord.jpg >>> >>> >>>Funny you'd think Jones would have insisted on converting Big Oly to >>>leaf springs if they were superior... It wouldn't have been difficult, >>>the entire frame of Big Oly was custom tubing. It would have been. >>> >>>Perhaps Olympia Beer was working on a Coil spring lift kit and insisted >>>that Jones keep the coils... >>> >>>I'm no Baja racer or rock crawler, all I know is there are ---- loads of >>>coil over four links in the rock crawling world, must be the evil >>>Skyjacker forcing their will upon the drivers right? Funny how none of >>>the new drivers who don't have Lift kit sponsors or other veteran >>>drivers don't convert to Leaf springs and dominate the competition... >>> >>>And here I was thinking that pro racers and rock crawlers would do >>>ANYTHING to gain a competitive advantage... >>> |
Re: Jeep Toad
Well... I guess an awful lot depends on how the rest of the suspension
is designed, and of course a LOT of vehicles use them, not just weenie little cars! Jeff DeWitt L.W.(Bill) ------ III wrote: > Coils: "sophisticated and compact suspension design" True, most > often used in subcompact front wheel drive rice burners. "more > suspension travel" FALSE, their limited four inches of travel makes the > libby useless on dirt roads: > http://www.----------.com/temp/LibertyAndTraction.mpeg > Trucks use drums to stop. Period! > God Bless America, Bill O|||||||O > mailto:-------------------- > > Jeffrey DeWitt wrote: > >>OK, lets see if I've got this straight. >> >>Coils offer a better ride, more suspension travel enable a more >>sophisticated and compact suspension design. >> >>Leaf's are stronger and a leaf spring suspension can potentially put up >>with more abuse over the long term because of it's strength and simplicity. >> >>The big trucks use drums because that's what they've always used. >> >>Does that sound about right? >> >>Jeff DeWitt >> >>Simon Juncal wrote: >> >>>L.W.(Bill) ------ III wrote: >>> >>> >>>> That's because skyjacker and most off road after market >>>>manufacturers weren't around in the sixties. And of course that's reason >>>>Bronco never won the BaJa 1000, they came new with coil springs: >>>>http://www.----------.com/bouncingFord.jpg >>> >>> >>>Funny you'd think Jones would have insisted on converting Big Oly to >>>leaf springs if they were superior... It wouldn't have been difficult, >>>the entire frame of Big Oly was custom tubing. It would have been. >>> >>>Perhaps Olympia Beer was working on a Coil spring lift kit and insisted >>>that Jones keep the coils... >>> >>>I'm no Baja racer or rock crawler, all I know is there are ---- loads of >>>coil over four links in the rock crawling world, must be the evil >>>Skyjacker forcing their will upon the drivers right? Funny how none of >>>the new drivers who don't have Lift kit sponsors or other veteran >>>drivers don't convert to Leaf springs and dominate the competition... >>> >>>And here I was thinking that pro racers and rock crawlers would do >>>ANYTHING to gain a competitive advantage... >>> |
Re: Jeep Toad
Well... I guess an awful lot depends on how the rest of the suspension
is designed, and of course a LOT of vehicles use them, not just weenie little cars! Jeff DeWitt L.W.(Bill) ------ III wrote: > Coils: "sophisticated and compact suspension design" True, most > often used in subcompact front wheel drive rice burners. "more > suspension travel" FALSE, their limited four inches of travel makes the > libby useless on dirt roads: > http://www.----------.com/temp/LibertyAndTraction.mpeg > Trucks use drums to stop. Period! > God Bless America, Bill O|||||||O > mailto:-------------------- > > Jeffrey DeWitt wrote: > >>OK, lets see if I've got this straight. >> >>Coils offer a better ride, more suspension travel enable a more >>sophisticated and compact suspension design. >> >>Leaf's are stronger and a leaf spring suspension can potentially put up >>with more abuse over the long term because of it's strength and simplicity. >> >>The big trucks use drums because that's what they've always used. >> >>Does that sound about right? >> >>Jeff DeWitt >> >>Simon Juncal wrote: >> >>>L.W.(Bill) ------ III wrote: >>> >>> >>>> That's because skyjacker and most off road after market >>>>manufacturers weren't around in the sixties. And of course that's reason >>>>Bronco never won the BaJa 1000, they came new with coil springs: >>>>http://www.----------.com/bouncingFord.jpg >>> >>> >>>Funny you'd think Jones would have insisted on converting Big Oly to >>>leaf springs if they were superior... It wouldn't have been difficult, >>>the entire frame of Big Oly was custom tubing. It would have been. >>> >>>Perhaps Olympia Beer was working on a Coil spring lift kit and insisted >>>that Jones keep the coils... >>> >>>I'm no Baja racer or rock crawler, all I know is there are ---- loads of >>>coil over four links in the rock crawling world, must be the evil >>>Skyjacker forcing their will upon the drivers right? Funny how none of >>>the new drivers who don't have Lift kit sponsors or other veteran >>>drivers don't convert to Leaf springs and dominate the competition... >>> >>>And here I was thinking that pro racers and rock crawlers would do >>>ANYTHING to gain a competitive advantage... >>> |
Re: Jeep Toad
Tom Greening wrote:
> mabar wrote: > >> So far in this thread, nobody has answered Jeff's question: Why do >> semi-trucks use drum brakes? >> >> I also am curious - why do they use drums rather than disks? >> >> Tom >> >> "L.W.(Bill) ------ III" <----------@cox.net> wrote in message >> news:4500AE71.EFC59D0F@cox.net... >> >>> Coils: "sophisticated and compact suspension design" True, most >>> often used in subcompact front wheel drive rice burners. "more >>> suspension travel" FALSE, their limited four inches of travel makes the >>> libby useless on dirt roads: >>> http://www.----------.com/temp/LibertyAndTraction.mpeg >>> Trucks use drums to stop. Period! >>> God Bless America, Bill O|||||||O >>> mailto:-------------------- >>> >> >> > > > Hazarding a guess I'd say it's because the drums actually offer more > stopping power and are less susceptible to brake fade. Disks are > lighter but not as powerful. For us they also handle mud better than > drums do, which isn't really a consideration for the average tractor. > > Of course the real FACTS may completely different than the guess I > hazard. :) Well... drums are MORE susceptible to fade, that's one of the advantages of disks. When a drum gets hot it will expand away from the shoes, while when a disk gets hot it will get closer to the shoes. I think all other things being equal disks are going to be more powerful too, because it's easier to squeeze things together than apart. However with the drums you can get more swept area, so all other things AREN'T equal. Jeff DeWitt |
Re: Jeep Toad
Tom Greening wrote:
> mabar wrote: > >> So far in this thread, nobody has answered Jeff's question: Why do >> semi-trucks use drum brakes? >> >> I also am curious - why do they use drums rather than disks? >> >> Tom >> >> "L.W.(Bill) ------ III" <----------@cox.net> wrote in message >> news:4500AE71.EFC59D0F@cox.net... >> >>> Coils: "sophisticated and compact suspension design" True, most >>> often used in subcompact front wheel drive rice burners. "more >>> suspension travel" FALSE, their limited four inches of travel makes the >>> libby useless on dirt roads: >>> http://www.----------.com/temp/LibertyAndTraction.mpeg >>> Trucks use drums to stop. Period! >>> God Bless America, Bill O|||||||O >>> mailto:-------------------- >>> >> >> > > > Hazarding a guess I'd say it's because the drums actually offer more > stopping power and are less susceptible to brake fade. Disks are > lighter but not as powerful. For us they also handle mud better than > drums do, which isn't really a consideration for the average tractor. > > Of course the real FACTS may completely different than the guess I > hazard. :) Well... drums are MORE susceptible to fade, that's one of the advantages of disks. When a drum gets hot it will expand away from the shoes, while when a disk gets hot it will get closer to the shoes. I think all other things being equal disks are going to be more powerful too, because it's easier to squeeze things together than apart. However with the drums you can get more swept area, so all other things AREN'T equal. Jeff DeWitt |
Re: Jeep Toad
Tom Greening wrote:
> mabar wrote: > >> So far in this thread, nobody has answered Jeff's question: Why do >> semi-trucks use drum brakes? >> >> I also am curious - why do they use drums rather than disks? >> >> Tom >> >> "L.W.(Bill) ------ III" <----------@cox.net> wrote in message >> news:4500AE71.EFC59D0F@cox.net... >> >>> Coils: "sophisticated and compact suspension design" True, most >>> often used in subcompact front wheel drive rice burners. "more >>> suspension travel" FALSE, their limited four inches of travel makes the >>> libby useless on dirt roads: >>> http://www.----------.com/temp/LibertyAndTraction.mpeg >>> Trucks use drums to stop. Period! >>> God Bless America, Bill O|||||||O >>> mailto:-------------------- >>> >> >> > > > Hazarding a guess I'd say it's because the drums actually offer more > stopping power and are less susceptible to brake fade. Disks are > lighter but not as powerful. For us they also handle mud better than > drums do, which isn't really a consideration for the average tractor. > > Of course the real FACTS may completely different than the guess I > hazard. :) Well... drums are MORE susceptible to fade, that's one of the advantages of disks. When a drum gets hot it will expand away from the shoes, while when a disk gets hot it will get closer to the shoes. I think all other things being equal disks are going to be more powerful too, because it's easier to squeeze things together than apart. However with the drums you can get more swept area, so all other things AREN'T equal. Jeff DeWitt |
Re: Jeep Toad
Well, in your case, the horse can't drink because it is a horse's *ss at
both ends. L.W.(Bill) ------ III proclaimed: > I have noticed your inability to use our internet! A real problem > with other bleeding heart liberal limp wackos. We may lead a horse to > water but we can't make him drink! > God Bless America, Bill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Lon wrote: > >>You might also notice that on occasion, Bill's ability and willingness >>to even read the information on his links is a tad lacking. Big deal, a >>monkey and google about as useful. |
Re: Jeep Toad
Well, in your case, the horse can't drink because it is a horse's *ss at
both ends. L.W.(Bill) ------ III proclaimed: > I have noticed your inability to use our internet! A real problem > with other bleeding heart liberal limp wackos. We may lead a horse to > water but we can't make him drink! > God Bless America, Bill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Lon wrote: > >>You might also notice that on occasion, Bill's ability and willingness >>to even read the information on his links is a tad lacking. Big deal, a >>monkey and google about as useful. |
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