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The trick on the 18inch tire is to make sure the bead on both sides is in the drop center, small blocks of wood work good for that, then they go on pretty easy.
Instead of using small wood blocks, do you think something like a heavy duty bar clamp would be better?
[QUOTE=LQQK_OUT;21465946]I've watched your video in the past (Good job!) and I've copied your method of using straps on both the rim to keep it from turning and a strap on the "Yellow Thing".
Anyways, your video does not make it look easy and you're obviously struggling a little bit. /QUOTE]
To me the install I did in the video was pretty dang easy. You do have to put some effort into mounting a tire.
If you look at the video, from the time I start using the mount/dismount bar, 12:04, it's less than a minute and the tire is on the rim. Look at just the time I'm pushing, and I think it's half a minute. It's subjective, of course, but for me that was easy.
If you are good at searching HDF, a guy built a duckhead bar to use with NoMar and he posted dimensions too.
I changed the rear tire on my '14 UL in 2.5 hours last weekend. I'm sure a shop could do it much faster, but in my garage with 3 tire irons that's what it took. The actual changing of the tire was easy enough, getting that pesky left side cam attached to the axle to stay still while I torqued the axle nut was the kicker. I finally made a tool like the ones sold online but it's still a pain to keep the belt torque right.
To me the install I did in the video was pretty dang easy. You do have to put some effort into mounting a tire.
If you look at the video, from the time I start using the mount/dismount bar, 12:04, it's less than a minute and the tire is on the rim. Look at just the time I'm pushing, and I think it's half a minute. It's subjective, of course, but for me that was easy.
I see the install went fairly quickly for you. I've always had trouble. Maybe I'm not taking full advantage of the leverage provided by the mount/demount bar since I have the tire changer mounted in a crowded garage.
Originally Posted by Vernal
If you are good at searching HDF, a guy built a duckhead bar to use with NoMar and he posted dimensions too.
Other disadvantages of the NoMar compared to a Rabaconda are:
1. The extra work required in switching out the dog/cam blocks to posi-clamps when using the waist-level bead breaker to the mount/dismount of the tire in the machine
2. The extra work/time required to position and lock the rim down in the posi-clamps.
These steps look real simple on the Rabaconda. Even breaking the bead just requires rotating the tire on a spindle, not picking it up and re-positioning it on top of the dog and cam blocks.
I've read a number of forums and watched a few videos of the Rabaconda in action on a Goldwing rear tire. I've ordered a Rabaconda.
I see the install went fairly quickly for you. I've always had trouble. Maybe I'm not taking full advantage of the leverage provided by the mount/demount bar since I have the tire changer mounted in a crowded garage.
Other disadvantages of the NoMar compared to a Rabaconda are:
1. The extra work required in switching out the dog/cam blocks to posi-clamps when using the waist-level bead breaker to the mount/dismount of the tire in the machine
2. The extra work/time required to position and lock the rim down in the posi-clamps.
These steps look real simple on the Rabaconda. Even breaking the bead just requires rotating the tire on a spindle, not picking it up and re-positioning it on top of the dog and cam blocks.
I've read a number of forums and watched a few videos of the Rabaconda in action on a Goldwing rear tire. I've ordered a Rabaconda.
No that isn't the thread.. I'll try to find it....
I'm not saying the Rabaconda isn't a good unit, if I was buying now, I'd definitely give it a good hard look and check reviews. I really like how it breaks down and stores easy.
No wonder I couldn't find it on the Forum, it was a Face Book post. @LQQK_OUT
This was by Barry MacLean:
"The overall length is 43 inches..the twin bars are 3/4 inch solid round bar 5 inches long...welded to 1 inch by 1/4 flat bar 2 1/2 inches long...I spaced the bars 1 1/8 apart to allow it to slide over the 1 1/16 nomar centre pole. I used heavywall 1 inch pipe 6 1/2 inches long to angled part...angled pipe to tip is 2 1/2 inches long...I winged the angle...not sure of the exact angle...but eye balled it on my nomar machine before I welded. The main handle is 1 3/4 medium walled pipe 31 1/2 inches long...squished the end down in the vise to weld onto the 1 inch flat bar...46 inches of material length and angled for an overall length of 43 inches when standing straight up."
"Duck head is 28mm..but a 30mm would fit as well...the 28mm fits perfect...any brand with the allen head screw attachment would do...I liked the solid body duckhead as opposed to the ones with the open space rim slide thingy."
No wonder I couldn't find it on the Forum, it was a Face Book post.
Thank you for the follow-up. I saw that post in the Facebook "No-Mar Tire Changer Users" group and even commented in that thread that I was looking for a ratcheting duck head.
The problem I see with his design is that the bar has lots of "play" around the center post. Seems like the potential to scratch a rear sprocket or brake disk is very high. The ratcheting system on the Rabaconda doesn't have any free play on the center post.
I've also written to No-Mar with a product suggestion of a ratcheting duck head option for their manual tire changers.
Here is their response:
Hi Brett, While we appreciate your suggestion, we do not to copy other company's designs, especially in the case of the "duck head" you describe which is a patented design. We are very aggressive when other companies try to duplicate our patented products, so we certainly don't want to copy anyone else's (and even if it wasn't a patented design, we've seen too many "duck head" style tire changers damage wheels so that wouldn't be a design we'd consider based on our dedication to not scratch wheels). Wide rear cruiser tires can be a challenge even with powered machines. Modern tires have become far more rigid over the past 20 years as tire technology continues to evolve, so we focus on producing a repertoire of tools that make the job as trouble-free as possible while always protecting the wheels from damage -- your experience with our SpoonBars to mount your 180 tires is a perfect example of this. Thanks for the note and we're glad to hear your Jr. Pro continues to serve you well and save you from the expense and hassle of paying others help maintain your bike!
Sincerely,
No-Mar Tire Changers
Last edited by LQQK_OUT; Nov 28, 2023 at 10:53 AM.
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