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TiLite ZR2 - Round Betty

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  • TiLite ZR2 - Round Betty

    I recently ordered a new TiLite ZR2 frame with some features never seen before on a TiLite. It's got an angled rigidizer bar, which gives me a higher grab point for pulling my chair, assembled, into the middle row of my Mazda 5. The angled rigidizer also helps when I get an assist from someone up one or more steps -- they don't have to bend over so low to grab hold of my chair. The welded lock mounts add an elegant, finished look to the chair, and probably shave off a gram or two compared to the regular lock clamps.

    I'm still using my slick-looking Round Betty Dino wheels and added their just-released Force 5 casters, which have the most beautiful, rich anodized color I've seen and are drop lighter than the Frog Legs casters I was using.

    The carbon fiber side guards and seat pan (not seen in the photos) were made for me by Bike-On's carbon fiber fabricator. Nice stuff!

    The ADI carbon fiber back finishes it off.

    I wanted an in-between seat taper between the 1.5" and 2.5" selectable on the order form. Hey TiLite, can you make me a frame with 2.0" seat taper instead? Of course, no problem!

    This is my dream chair. Fits me like a glove. After 31 years, I finally got all the details worked out.

    Thanks, TiLite! Thanks, Round Betty! Thanks, ADI!Click image for larger version

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    Last edited by stephen212; 03-29-2015, 01:12 AM.
    stephen@bike-on.com

  • #2
    Beauuuutiful!!!
    Chas
    TiLite TR3
    Dual-Axle TR3 with RioMobility DragonFly
    I am a person with mild/moderate hexaparesis (impaired movement in 4 limbs, head, & torso) caused by RRMS w/TM C7&T7 incomplete.

    "I know you think you understand what you thought I said, but what I don't think you realize is that what you heard is not what I meant."
    <
    UNKNOWN AUTHOR>

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    • #3
      Absolutely awesome. I hope to get to this point before I die (i.e., get all the details worked out).
      -ResonantEcho - T6/T7 Complete - October 31st, 1986

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      • #4
        BTW, can we get the full specs. CAD as well if available?
        -ResonantEcho - T6/T7 Complete - October 31st, 1986

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        • #5
          Here's the CAD. Lots of notes.

          The COG was changed to 4.25".

          Click image for larger version

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          stephen@bike-on.com

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          • #6
            That's a wonderful looking chair Stephen. Are the wheel locks your idea and design? I like it. The seat pan is visible, but not the support system. What did you use? I don't see those cross members which I think work to defeat the idea cf.
            I have had periodic paralysis all my life. I lost my ability to walk in 2011 beginning with a spinal block, which was used for a hip fracture caused by periodic paralysis.

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            • #7
              Originally posted by nonoise View Post
              That's a wonderful looking chair Stephen. Are the wheel locks your idea and design? I like it. The seat pan is visible, but not the support system. What did you use? I don't see those cross members which I think work to defeat the idea cf.
              Thanks, nonoise. The wheel locks design was my idea but not my design: Oracing does this all the time, same with the angled rigidizer bar.

              The carbon fiber seat pan and side guards are the same one that I had on my original ZR2.

              Click image for larger version

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              stephen@bike-on.com

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              • #8
                Only thing missing is a couple pics of you in it.

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                • #9
                  How do you carry stuff? I can usually get by with a messenger bag on my lap to carry my laptop, catheters, etc. However when I travel I hang a backpack off the back of my chair and from the looks of it that bar would get in the way. Is that the case, or do you just never need to hang a backpack off the back?

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                  • #10
                    Beautiful chair -- nice and shiny. With the orange anodizing you would fit in well in Holland -- it's the national colour. I know you don't have a folding seat back, but I'd be curious if you think there would be enough clearance to fold it down with the rigidizer bar. On the next chair we would also like to raise it and have it at a similar angle for the same reasons. Interesting to see how much COG you have. I'm thinking of trying a 4" COG on a similar size chair -- not too backward tippy?
                    Partner of an incredible stroke survivor. Limitations: hemiparesis and neglect (functional paralysis and complete lack of awareness on one side). Equipment: TiLite ZRA 2 and 2GX, Spinergy ZX-1, RioMobility Firefly. Knowledge: relative newbie for high-level equipment (2012), but willing to try to help others who are new with similar limitations (definitely not a guru, but inquisitive).

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                    • #11
                      Originally posted by t8burst View Post
                      How do you carry stuff?

                      You mean for those rare occasions when I'm out and not accompanied by my footman?
                      Click image for larger version

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                      Originally posted by t8burst View Post
                      I can usually get by with a messenger bag on my lap to carry my laptop, catheters, etc. However when I travel I hang a backpack off the back of my chair and from the looks of it that bar would get in the way. Is that the case, or do you just never need to hang a backpack off the back?
                      I sling a bag over the back of my chair. As you can see, the bag hangs below the rigidizer bar.
                      Attached Files
                      stephen@bike-on.com

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                      • #12
                        Originally posted by elarson View Post
                        Beautiful chair -- nice and shiny. With the orange anodizing you would fit in well in Holland -- it's the national colour. I know you don't have a folding seat back, but I'd be curious if you think there would be enough clearance to fold it down with the rigidizer bar. On the next chair we would also like to raise it and have it at a similar angle for the same reasons. Interesting to see how much COG you have. I'm thinking of trying a 4" COG on a similar size chair -- not too backward tippy?
                        The depth of the rigidizer bar can be whatever you wish. You can see from the CAD that mine is set at ~4" deep, so nothing really out of the ordinary. Note that the height of the rigidizer bar at its peak is about 1" taller than the back posts, but still several inches lower than the top of the ADI back. I configured it so that there was ample enough clearance between it and the ADI back so that I could fit my hand comfortably enough to grab the bar.

                        I don't find the 4.25" COG too tippy. In fact, set at 4.0" I find the front end too heavy.
                        stephen@bike-on.com

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                        • #13
                          Is there any specific name for this wheel lock mount, so that Tilite will understand what you want?
                          Or you just show them the picture?

                          Also the rigidized bar, how do you tell them what you want?
                          Life is meaningles, though you create the purpose.sigpic

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                          • #14
                            Originally posted by sowseng View Post
                            Is there any specific name for this wheel lock mount, so that Tilite will understand what you want?
                            Or you just show them the picture?

                            Also the rigidized bar, how do you tell them what you want?
                            The quote from TiLite referred to it as: "Custom Work - Welded Wheel Lock Clamps"

                            I used this Right Angle Calculator to help me figure out the specifications. I forwarded a pic of the calculation results along with a description when I was placing my order. I had to make sure that the CAD accurately reflected what I was after and it took a phone call with one of TiLite's engineers to make sure that my specs were being translated accurately.

                            The process would have been simpler if I had chasmengr's CAD skills. [IMG]/forum/images/smilies/wink.png[/IMG]

                            Click image for larger version

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                            Last edited by stephen212; 03-29-2015, 12:39 PM.
                            stephen@bike-on.com

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                            • #15
                              wow, great great.....
                              Life is meaningles, though you create the purpose.sigpic

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