R80ST gets the GS Treatment

Discussion in 'Airheads' started by Airhead Wrangler, Dec 24, 2008.

  1. Box'a'bits

    Box'a'bits In need of repair

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    AFAIK, I don't think so.

    The Cyclops (in the beginning of its life at least) was a derivative of the Trailtech, with a 7" insert instead of the single filament 8" light.

    Here's the link to the Trailtech site, which has some pictures of the back of the light. The halogen version doesn't appear to even have a headlight bucket. The HID one is form fitted to the reflector with no spare space.

    I went with the Baja design light for that reason.
  2. Basic_Gerd

    Basic_Gerd Gerd

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    Thanks a lot - i'll then go for the Baja for the exact same reason. If i'll go for this "Flak floodlight" direction at all...
  3. roadsacallin

    roadsacallin '81 R80 G/S, '74 R90S

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    I asked Claus Pepperl (the P of HPN) specifically if they altered the angle of the steering stem. He said they cut it off and reattach it at a .5 degree steeper angle.
  4. Airhead Wrangler

    Airhead Wrangler Long timer

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    Well there you have it.
  5. igormortis

    igormortis Cafe Reise

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    How about that. I guess 0.5 of a degree is not something you’d notice by peeping at pix on the internet.
  6. cycleman2

    cycleman2 Been here awhile

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    Looking at this picture the angle of the steering head is different between the two bike frames. I see that was confirmed.
  7. bgoodsoil

    bgoodsoil Dare to be Stupid

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    Seems like a lot of work for a .5 degree. Any idea why they'd do that?

    The reason why I'm asking is because a lot of us are looking at getting frame braces made and having them welded in locally. Of course, we won't be having steering angle changed. Any thoughts?
  8. Airhead Wrangler

    Airhead Wrangler Long timer

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    [​IMG]

    I just don't see where they cut and rewelded in this photo. The welds attaching the plates on either side appear to be original MIG welds. The heat coloration at the top of the downtubes where they meet the steering head indicates to me that they may have loaded the frame in a jig and bent the steering head back and then heated these spots to relieve the elastic stresses and keep it permanently bent. Half a degree isn't much.
  9. igormortis

    igormortis Cafe Reise

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    Yeah AW, for me that particular picture has always been the strongest evidence that they don’t cut and re-weld. Who knows? Maybe it’s only for certain frames.

    I guess HPN never discussed it with you?
  10. Phreaky Phil

    Phreaky Phil Long timer

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    I always thought that they added an extra plate to those side plates, ie put another plate over or under the original and welded the edges together. It seems that the stresses on these plates is extension force. The forces on the steering stem is trying to tear the plates in half
  11. Airhead Wrangler

    Airhead Wrangler Long timer

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    I believe they do do that. Look at this for a while:

    [​IMG]


    Original frame:
    [​IMG]
  12. ontic

    ontic

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    Hey AW,
    I don't know if you get much idle chatting time with the HPN guys, but if you do do you think you could ask about the gaiters they have pictured on their website for the 50mm Marzocchi magnums?
    I've been trying to find a nice thick set of rubber gaiters for the WP50's. It is not easy- there are a few around but they seem to be thin concertina style plasticy ones. I would prefer some nice thick moulded rubber ones.

    hard to tell with the size of the images, but these don't look too bad.
    [​IMG]
    [​IMG]
  13. Airhead Wrangler

    Airhead Wrangler Long timer

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    I don't think I've seen any modern fork boots made of rubber. They all seem to be the slightly harder vinyl like these: http://www.daystarmx.com/productdetail.php?productID=932

    I'll ask next time I call them though.
  14. Stagehand

    Stagehand Imperfectionist

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    on the original frame photo, is that a weld bead on the steering head bearing race?
  15. hardwaregrrl

    hardwaregrrl ignore list

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    Guess HPN doesn't have a race puller??:huh
  16. Airhead Wrangler

    Airhead Wrangler Long timer

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    Sure looks like a weld bead. That's not at HPN though. I ripped that photo off of StephenB's site.
  17. Airhead Wrangler

    Airhead Wrangler Long timer

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    Proof of life. Everything's back from powder coat and the seat's ready, so hopefully they'll be shipping soon.

    [​IMG]
  18. Solo Lobo

    Solo Lobo airhead or nothing

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  19. hardwaregrrl

    hardwaregrrl ignore list

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    Suuuuwwwweeeeeettttttt!!!!!!:D
  20. Beater

    Beater The Bavarian Butcher

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    +1

    +2

    That looks real tasty. Well done.