From: none@none.com99   
      
   On 12/29/2025 7:25 AM, ABLE1 wrote:   
   > On 12/28/2025 6:38 PM, Bob La Londe wrote:   
   >> If you hung around shops and work spaces at any time I'm sure you have   
   >> seen and heard all kinds of things.  Yes split rims are as dangerous   
   >> as they say they are.  I never saw one go, but I met a fellow who was   
   >> leaning over one when it went, and it bounced him off the ceiling 16   
   >> feet up.  Broke a couple ribs, and took the tips off two of his fingers.   
   >>   
   >> I'm in the process of slapping some new rubber on the '42 GPW to make   
   >> it a little easier to roll around the yard.  Breaking down the old   
   >> tires (not split rims) was quite a chore.  Nothing work.  The bumper   
   >> jack trick didn't even make the beads break a sweat much less break   
   >> loose. I bent the lever on the bead breaker on my manual tire changing   
   >> stand, and the hydraulic bead breaker I bought wasn't (in my opinion)   
   >> setup right. Over the last few months  I played with all of that.   
   >>   
   >> The hook feet and the press foot on the air over hydraulic bead   
   >> breaker were no in a line in the shelf state.  Made it impossible to   
   >> get them in between the bead and the rim.  I unbolted the hook feet,   
   >> and machined 0.180" off of them and it looked a lot better, but I   
   >> still couldn't get them in between.  Not even with a 3lb hammer.  I   
   >> tried hammering in wedges, and that was okay, maybe, but it wasn't   
   >> enough.   
   >>   
   >> Now to be fair those tires have been on those rims well over 40 years   
   >> in one of the hottest climates on earth.  I imagine the rubber is   
   >> melted and extruded into the pores in the metal.   
   >>   
   >> I soaked the bead with penetrating oil, and invented my own slide   
   >> hammer style breaker bar.  I ground the pointy end of my straight pick   
   >> flat, and slid a post driver over it.  BAM!  Slide hammer style bead   
   >> breaker.   
   >>   
   >> IT DID NOT BREAK THE BEAD.  Maybe if I kept at it way to freaking long   
   >> it might have, but it did give me enough purchase to drive the   
   >> hydraulic bead breaker in between.  After several presses I was able   
   >> to get the bead off the bead seat.   
   >>   
   >> Then it wouldn't flex enough to come off the rim.  My duck foot was a   
   >> total waste of time.  Its fine for soft pliable tires, but this thing   
   >> was half rock and half rubber band.  I had to cut the beads with a   
   >> sawzall to get it off the rim.  That first tire took me well over 3   
   >> hours.  Maybe closer to 4.  I had to take a break after that.  First I   
   >> sprayed all the beads with penetrating lube.   
   >>   
   >> When I worked up the gumption out back of the shop again, the second   
   >> tire took me just 30 minutes.  It was all the same work, but no wasted   
   >> work.  It actually seamed easier, but 30 minutes to get a tire off a   
   >> rim is not what I would call easy.   
   >>   
   >> The third tire seemed easier than the second, but it took a little   
   >> longer.  I guess I'm getting old.   
   >>   
   >> Anyway, if the wedge end isn't to sharp a straight pick and a post   
   >> driver make a fair slide hammer style bead breaker.  I bet it would   
   >> work pretty good if the tires weren't nearly rock hard and dry rotted   
   >> in place.  A cheap Chinese air over hydraulic bead breaker works   
   >> pretty good if it can actually get some purchase to do its job.   
   >>   
   >> I still haven't dragged the 4th tire over to work on it.  I needed to   
   >> take another break.   
   >>   
   >   
   > Hi Bob,   
   > For your 4th tire, try placing in the kitchen oven   
   > for 20 minutes at 250 degrees!!  Then beat it again??   
   >   
   > Les   
      
   My kitchen oven is not quite large enough.  I guess this is a good   
   reason to buy that giant powder coat oven I have always wanted.   
      
      
   --   
   Bob La Londe   
   CNC Molds N Stuff   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)