Progress and Snags
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  • 2 Post By beestoys

Thread: Progress and Snags

  1. #1

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    Progress and Snags

    Hello Guys. I replied to the "What have you done to your bird lately?" on 11-17-2019 where I stated I am starting work on my Bird after she has sat waiting patiently for 6 years.
    The last line was "Watch this space, there may well be Pics, Questions or Appeals for required bits..." so here's the first update of current progress and snags.

    I got it to the workshop and the full strip down went fairly smoothly before the Christmas break.
    2020 Bird Proj 01.jpg 2020 Bird Proj 02.jpg 2020 Bird Proj 03.jpg

    All panels have had any cracks or dinks repaired and have been repainted.
    2020 Bird Proj 04.jpg2020 Bird Proj 05.jpg 2020 Bird Proj 06.jpg 2020 Bird Proj 07.jpg

    The Wheels were looking rough where they had started to corrode under the paint and was bubbling up, the removable engine cases were the same, so these and the Sub frames went away for stripping/blasting before Christmas and they came back today and are now in to be repainted with a full Bake.

    My main task today was to extract the 4 exhaust stud bolts that just snapped at the Nut level. This did NOT go well.
    2020 Bird Proj 08.jpg
    The studs in ports 1 & 2 we tried heating with butane torch and removing with external Stud extractor. They just crumbled away lower down. Ports 3 & 4 were drilled with Counter clockwise drill bits and tried the easyout method...
    The easyout lost and ended up blunted!

    So unless someone has a clever Idea to try, next week I will have to go with the full (careful) drilling out route of what remains and hope I can complete these without damaging the thread walls.
    Fingers crossed.

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  3. #2
    Supercharged Mod
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    Re: Progress and Snags

    Unfortunately those studs sum up my past experience when I built my Supercharged Bird. The studs on my 99 Bird are in bad condition and have needed changing for some years now and but I don't want to go near the job whilst they are holding well.

    The 'good news' is that I successfully drilled 3 when I built the Supercharged Bird and the original threads cleaned up perfectly. Time consuming and nerve wracking but there is plenty of meat there and helicoils can be fitted if necessary.

    Rest of the work looking good.
    Full of Hot air? Intercool yourself............ you know it makes sense

  4. #3
    Play, it makes life fun
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    Re: Progress and Snags

    I took mine to a machine shop and had them drilled out. He thanked me for bringing it to him before I tried extracting them myself and not boogering them up.

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  6. #4

    Member #
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    Morning guys. Duck, as you say, “ Time consuming and nerve wracking”.... I naively Went in yesterday thinking “I’ll have these out in an hour! Simples”. Ended up leaving 5 hours later a bag of nerves. Lol.

    XXGuy, I gave that option a lot of consideration last night but removing the head was not in the original to do list and I’d like to leave it in if possible. I even phoned a selection of hire centres to see if I could hire an induction coil heater. No go.

    I’ll see if anyone has any other clever ideas but if not will tentatively try the pot 4 one first. If I feel it’s going to cause damage I will stop and the head will have to come out.

  7. #5
    Supercharged Mod
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    Re: Progress and Snags

    I don't know if/how you have got the bike supported at present but you need the bike as high as possible and with no obstructions (like forks) in the way. If the drill is to be pressed into action it is sensible to make up a small jig to ensure you are drilling at 90 deg to the face as well. Then slowly drill with good quality drills, the last thing you want is to have a drill break off with the job half done.
    Full of Hot air? Intercool yourself............ you know it makes sense

  8. #6

    Member #
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    Re: Progress and Snags

    Yeah, It's up on a Hydraulic Centre lift, Just Frame, Engine and Yokes still on.
    I used good quality CCW bits yesterday (2mm then 4mm) and took my time. The next size is about 7mm, so just inside the thread limits. Have to be careful on that one.
    (Nibbled Finger Nail's time)

  9. #7

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    Re: Progress and Snags

    There may be another option. Have a bolt welded to the existing studs. I have seen instances where the heat from the welding process transfers into the parent material and shocks the offending parts apart so that they can be backed out.
    XXGUY and Sparkie84 like this.
    Route 191 formerly Route 666 Some say that this section of the
    road has 1100 curves in 95 miles.

  10. #8

    Member #
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    Re: Progress and Snags

    I have another go Wednesday..... Fingers Crossed.


 

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