keithb7 Posted March 5, 2023 Report Share Posted March 5, 2023 (edited) Why are my brake pistons designed with 2 different sized bores? Why does my 50's Mopar have 2 separate front brake drum wheel cylinders per wheel? I had a pretty good idea, because I read a bit about somewhere. Yet I see now that I certainly lacked dept of understanding. This video is enlightening. Watch if from the beginning. Then at about the 8 min mark things go way over the top with sinusodial engineering math. I had to fast-forward all that. It makes my underdeveloped brain hurt. Then go to about the 1:05 mark and watch again. Look the illustration, that's classic dual cylinder front brakes found on many Mopars. Look how it works and why they did that. The discussion about the different braking forces required for the primary and secondary shoe was great. Good info! The engineering and math way back in the day is amazing. It was all there. The math told them so. The engineers just had to figure out how to put it into real life practical use in an automobile...And they did, so very well. Edited March 5, 2023 by keithb7 4 Quote Link to comment Share on other sites More sharing options...
OUTFXD Posted March 5, 2023 Report Share Posted March 5, 2023 Great watch! Thanks! Quote Link to comment Share on other sites More sharing options...
Los_Control Posted March 5, 2023 Report Share Posted March 5, 2023 Great video you just released .... I watched that this morning while drinking my coffee. Just happens to be my job today that I was preparing for. .... Wondering if you were sending me a message to get off my bum I just got the last new line made/installed to complete my master cylinder swap. Now I need to shorten my brake pedal rod, then bleed them. Last time I bled them with the old master cylinder, I was not getting fluid out of the RF wheel cylinder??? I dunno I got to look into it to see why. A good day to kick back & watch a brake video Quote Link to comment Share on other sites More sharing options...
SteveR Posted March 5, 2023 Report Share Posted March 5, 2023 Wow 50 years later and I'm back in school. It was very interesting but at 70 I don't think I will ever use it. LOL Thanks Kieth you make working on these cars fun! Quote Link to comment Share on other sites More sharing options...
keithb7 Posted March 5, 2023 Author Report Share Posted March 5, 2023 18 minutes ago, Los_Control said: Great video you just released .... I watched that this morning while drinking my coffee. A good day to kick back & watch a brake video Cool feedback. What a world we live in where a typical nobody, can make a video and share it with the world immediately. It's an interesting almost euphoric sensation to hear that I am welcomed in your personal lives. For example while you have your morning coffee. I see viewers of my YT channel, from all over the world. Check out this viewer list. This is all I could fit on one page for a screen shot. It goes on...I find it amazing Us old guys, think back when we were kids. This is like Buck Rogers, way off in the future stuff. That this is happening in our life time is absolutely epic. Quote Link to comment Share on other sites More sharing options...
Los_Control Posted March 5, 2023 Report Share Posted March 5, 2023 Just now, keithb7 said: What a world we live in where a typical nobody, can make a video and share it with the world immediately. This really is a unexplored new horizons .... A tool that who knows where it will end up. .... It has changed learning for future generations to come. When I need to do something, I can usually just pull up a youtube video and learn what I need to do. .... Example my refrigerator quit working a few years ago. I pulled up some youtube videos and within a few hours I had the fridge working with a new starter installed. I know nothing about repairing refrigerators, I have no desire to learn how .... I already forgot what I did learn .... I know if my fridge breaks down again, I just look at a few youtube vids for a refresher course & fix it again. ..... Same with my washing machine ... I dont care, just cheaper, easier, faster too look it up and do it yourself. Just saying it is a new world on how we learn .... In the past we read books, go to school then we apprentice to become a appliance repairman. Takes years. Today we just look up a video and in a few minutes we know how to fix a problem. Was it Thomas Edison that said "never remember anything you can just look up" ..... Someone said that. Whats cool with youtube is the monetization of your vids with the more content you create and the more subscribers, likes & view time. True capitalism at it's best. I watch & learn something, you get incentive to create more content .... win win Just no way of telling how long this will last, and how soon we transfer into Artificial intelligence. .... If a youtuber can take advantage of AI at the early stages. Quote Link to comment Share on other sites More sharing options...
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