YEEEEEEEEE-HAR

Discussion in 'Cannon' started by robinghewitt, Oct 12, 2005.

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  1. Oct 17, 2005 #41

    robinghewitt

    robinghewitt

    robinghewitt

    62 Cal.

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    It'd be my pleasure :thumbsup:

    Had a quick wire brush of the trunnion ends, couldn't see any text.

    How about this for a plan from Cap't L on another forum, turn it muzzle up, fill the bore with washing soda solution,electrolyse the rust out and then turn it over and drop the ball.

    best regards

    Squire Robin
     
  2. Oct 17, 2005 #42

    Guest

    Then, I would hope the ball was placed there out of mischief. Because if there is any ship's documents or period letters there they would be destroyed.

    As to the other members concerns, lapping the barrel with a cylinder hone would make the bore a hair larger allowing the ball to move somewhat freely down the bore. The copious amount of grease would help to supress any sparks created, which would travel in front of the ball. One would be surprise how easily a ball can travel down a bore with .005 clearance on each side. My four bore is 1.00", my ball is .990, the ball drops to the powder chamber without a hitch. Same for my new gonne, it has a .703 bore and a .690 ball slides down to the mouth of the powder chamber. And that's an all around clearence of .0065.

    Besides, honing would prepare the bore for future use.

    [​IMG]
     
  3. Oct 17, 2005 #43

    Guest

    Admittedly, I was thinking solid shot. :redface:
     
  4. Oct 18, 2005 #44

    gof

    gof

    gof

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    Hey Squire Robin..

    Could you start a new thread about the restoration process?
    (it seems that we have gone from acquisition to restoration!)

    Thanks

    And I await every post with baited breath!

    GoF
     
  5. Oct 18, 2005 #45

    threepdr

    threepdr

    threepdr

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    I'm an archaeologist, not a chemist but I know that several forms of electrolosis is used to remove rust scale on artifacts. If it is purly a chemical process needed to disolve rust common venigar works wonders. It has quite a bit of acedic acid and will eat rust quickly, but is slow working on iron. Even with the use of a chemical agent, you will need to flush or brush the gunk out of it after treatment. The residule debris will hamper removal. Maybe a wire wheel attached to a metal rod, either hand or powder drill powered would clear the bore enough to slide the ball out after treatment.

    Can you tell by postion of the ball how much void is left behind it? I have also seen projectiles expelled by compressed air through the vent. That might not work if the ball is rusted in place however.

    Mark
     
  6. Oct 18, 2005 #46

    robinghewitt

    robinghewitt

    robinghewitt

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    Hi Mark

    I thought of that, but the maths was alarming :shocking:

    My 150psi airline would give over half a ton of accelerating force, falling to a quarter ton at the muzzle, worst case over 2000 ft.lbs of kinetic energy in the ball when it exits. I'm game, but don't tell the wife :crackup:

    I have phosphoric acid to loosen it. I have also ordered cup shaped wire brushes 1/2" under bore size which will clean out around the ball and with a simple plywood disc to spread the bristles should clean out the bore in front of it.

    That's the plan so far. I'm thinking that the windage on the ball might persuade it to drop out under it's own weight if I dissolve the rust :hmm:

    best regards

    Squire Robin
     
  7. Oct 19, 2005 #47

    threepdr

    threepdr

    threepdr

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  8. Oct 19, 2005 #48

    musketman

    musketman

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    I use Coca~Cola to derust many things, it contains phosphoric acid and as an added bonus, it'll make your barrel fizz... :D
     
  9. Oct 19, 2005 #49

    robinghewitt

    robinghewitt

    robinghewitt

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    I think the air is a last resort :crackup:

    I pushed a 4" rotary brush down the 3.5" bore, followed by a cupped brush and I think it may be about ready to come out.

    Tomorrow I will try CP's original suggestion of giving it a bump, and if that doesn't work I'll turn it over and pour in 10cc's of 25% phosphoric.

    [​IMG]

    [​IMG]
     
  10. Oct 19, 2005 #50

    Stumpkiller

    Stumpkiller

    Stumpkiller

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    * sigh *. The world needs more optimists like you. :crackup:


    I like that picture with the rotorized brush. Looks like you're exorcizing evil spirits from the bore. :front:
     
  11. Oct 19, 2005 #51

    Mulebrain

    Mulebrain

    Mulebrain

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    Just use a C02 discharger ::
     
  12. Oct 20, 2005 #52

    robinghewitt

    robinghewitt

    robinghewitt

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    CP's idea of dropping it moved it a bit, well done CP :thumbsup:

    Think I will scrape out some more rust and then try dropping it some more, it's quite exciting.

    [​IMG]
     
  13. Oct 20, 2005 #53

    gof

    gof

    gof

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    Is this cool or what!!!!

    Keep up the good work!

    GoF
     
  14. Oct 20, 2005 #54

    Stumpkiller

    Stumpkiller

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    Amazing. It looked well and truly fused in place from the images.

    We should run a contest to see who can guess what's behind the ball. I vote for deteriorated powder. After all, what good is an unloaded cannon on a ship?
     
  15. Oct 20, 2005 #55

    Slowpoke

    Slowpoke

    Slowpoke

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    Great idea Stump... I was thinking about the member that guesses the correct weight of the ball gets to keep it!

    and

    my vote is for deteriorated powder too.
     
  16. Oct 20, 2005 #56

    threepdr

    threepdr

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    Man...looks like if it went a little it should have come all the way :( Keep trying!

    Threepdr
     
  17. Oct 20, 2005 #57

    rifleshooter2

    rifleshooter2

    rifleshooter2

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    I can't wait to see what's in there. If it's powder I wonder it the charge bag is intact that would be interisting. Please keep us posted
     
  18. Oct 21, 2005 #58

    robinghewitt

    robinghewitt

    robinghewitt

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    Neither can I, but I was dropping it again today and it ain't moving any more. Tomorrow I shall start pulling :thumbsup:
     
  19. Oct 21, 2005 #59

    Stumpkiller

    Stumpkiller

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    BOOM! BAM! BOOM!

    I can just picture all the neighbors standing in the street and looking in the air and around corners to see what's happening.

    "Like the Bloody Blitz all over again, Margaret!"

    But then, they are your neighbors. :hmm:

    "That man at Number 10 had something else delivered last week, didn't he. Better lock the cat in this weekend."
     
  20. Oct 21, 2005 #60

    Cpt Ed

    Cpt Ed

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    Squire, it could be a chain shot and when it moved forward it just linked together with the second ball?? :curse:

    Oh what fun you are having. Do keep us posted the suspense is stressing me out. :cry:

    Time for another brew. ::
     
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