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Thread: 1965 Triumph Chopper

  1. #81
    Member wonky's Avatar
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    Hey Mr skitzo, who do you use for chroming? Maddington guy or Malaga guy?

  2. #82
    Member El Skitzo's Avatar
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    Quote Originally Posted by wonky View Post
    Hey Mr skitzo, who do you use for chroming? Maddington guy or Malaga guy?
    Have used Malaga in the past, but never really happy with the job. But I have heard that business has had an overhaul and should be on point now. We'll see...

  3. #83
    Member El Skitzo's Avatar
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    Not much new to report since the last update, but the front tyre is now mounted on the mock-up wheel, and thankfully the mounted tyre does fit between the legs of this very narrow girder front end.

    Fingers crossed we can take the completed roller home before Christmas...

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  4. #84
    Member El Skitzo's Avatar
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    Well the rolling chassis is home for Christmas, and I think it looks awesome!!

    There's still a few minor jobs to completely finish the front end, but they can wait until next year and after an Engineer has inspected the roller and given me direction on how we achieve all the modification permits I need to apply for.

    The front wheel and brakes are still undecided, and the one shown is purely for mock-up and so we can push the chassis around and take measurements.

    Now that it's sitting on wheels I can confirm that we exceed the 550mm for the front end/axle by 2 inches, so lots of work to get us to the next stage.





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  5. #85
    Member =Maz='s Avatar
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    Nice looking lines... Hope the required mods to shorten it the two inches don't change to much of that.
    All I've got and more for #294...RIP Chris Adley
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    Member El Skitzo's Avatar
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    Quote Originally Posted by =Maz= View Post
    Nice looking lines... Hope the required mods to shorten it the two inches don't change to much of that.
    Thanks mate, if anything the plans I have will make the lines more radical. We need to stretch the position of the neck upwards about 7 inches to bring the bottom frame rails level to the ground, and help pull the front wheel back into legal limits.

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    Member Hillz's Avatar
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    see if air bagging the front would bring you into spec maybe?

    just take it over the pits dumped and you wont need a stand, just park it on the rails like a minitruck!
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  8. #88
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    Can you just move the front axle mount point back up the forks..? Trim away the excess..?

    Will that 'calm' the look too much..?

    Not as rad as the first pic...
    " Imagination is the seed of life..."

  9. #89
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    What reason is there for the frame rails being level to the ground....other than the nerdy rules?
    Smoke me a kipper...I'll be home in time for breakfast

  10. #90
    Member El Skitzo's Avatar
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    Quote Originally Posted by BusaSteve View Post
    What reason is there for the frame rails being level to the ground....other than the nerdy rules?
    It just helps with my OCD and trying to make the lines all look right to me
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  11. #91
    Member El Skitzo's Avatar
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    Quote Originally Posted by GsxInShed View Post
    Can you just move the front axle mount point back up the forks..? Trim away the excess..?

    Will that 'calm' the look too much..?

    Not as rad as the first pic...
    This that will become Plan B, if I can't get the frame chop/stretch approved by an Engineer and the Transport Department. Good thinking ;-)

  12. #92
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    Quote Originally Posted by El Skitzo View Post
    This that will become Plan B, if I can't get the frame chop/stretch approved by an Engineer and the Transport Department. Good thinking ;-)
    Skitz, if you chop/stretch the frame, can you still call it a 65 Triumph?
    Just asking as you seemed so enthused that you had an original frame.
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  13. #93
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    I may have the concept wrong but,

    Trail. Is that not a thing anymore?
    Note: this may not be the universe where the above is relevant.

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    Member Stephan's Avatar
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    Good work! It's not often to see a bike build progress this nicely! Are you going to take over the build yourself again?
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  15. #95
    Member El Skitzo's Avatar
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    Quote Originally Posted by SpeedTrip View Post
    Skitz, if you chop/stretch the frame, can you still call it a 65 Triumph?
    Just asking as you seemed so enthused that you had an original frame.
    That's what I'm not sure of, and the process we're going to test. I'm going to be retaining "most" of the front frame loop including the all important neck with the numbers it.

    I'm pretty sure a 1957 Chevy stretch Limo is still licensed as a 1957 Chev, but with modifications. So fingers crossed.

    I've never seen anyone go through this process in WA legally, so there's only one way to find out, and regardless of the outcome at least everyone else will see what the answer is and why...

    - - - Updated - - -

    Quote Originally Posted by somebodyelse View Post
    I may have the concept wrong but,

    Trail. Is that not a thing anymore?
    Very much so, especially with such a long front end! But we'll look closer at that once I talk to the Engineer and see what we can and can't do in term of frame modifications. This front end actually has two rake settings available in it, it's currently set to +10 degrees, but can be set to 0 degrees as well. So we'll take all this into account and try and come up with the best trail setting
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  16. #96
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    I'm really curious...where is the intended COG ? Mass centre point..?

    The frame looks to have a very forward weight distribution...?
    " Imagination is the seed of life..."

  17. #97
    Member El Skitzo's Avatar
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    I finally had a chance to take some measurements regarding where we're sitting in relation to Australia's very limiting 550mm rule.

    As you can see here my front axle is currently about 600mm in a horizontal plane out from the centre of the neck, which is 50mm over the legal limit.

    So my focus this year is going to be on sorting out this issue and jumping through all the legal hoops to try and legally Engineer my preferred solution of chopping the frame and stretching the neck position upwards, to pull the axle back in.

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    I might be way off, but can you shorten the links attaching the girder to the stem to pull the whole front end in? Is that even viable or will it mess with the geometry too much

  19. #99
    Member El Skitzo's Avatar
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    Quote Originally Posted by pandas View Post
    I might be way off, but can you shorten the links attaching the girder to the stem to pull the whole front end in? Is that even viable or will it mess with the geometry too much
    Good thinking, but the girder links need to be the same length and parallel to each other, otherwise the front end can "bind" during operation.

    What I do have up my sleeve is the fact the front end has two different rake settings that can be used. It's currently bolted together in the +10 degrees position, but you'll notice a bolt hole in front of the lower link mount to the girder leg. If I bolt the lower link through that hole the front end will be set up with 0 degrees rake.

    This by itself probably won't be enough to pull the axle back far enough, as bringing the front axle back alone (with such an overly extended front end) will just push the neck up higher from the ground, increase the effective rake more, and probably end up with the front axle about the same distance it is now.

    There's no getting around needing to chop and stretch the frame to fix the issue, and I'm glad as that was the plan from the beginning. I will still need to change the front end to the 0 degree setting though to help correct the trail setting, as I'll end up with negative trail in the +10 degree position. Would look cool, but you wouldn't want to ride it...

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