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Crisbow Crossbow (pic heavy)

Discussion in 'Non-Firearm Weapons' started by Odd Job, May 28, 2008.

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  1. Doem

    Doem Member

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    PS OJ. Don`t you think that the slider will be more stable in movement if you don`t cut out the bottom piece and make it equal in lenght. This way you wont have the bending over as the string moves backwards. Its like tilting backwards as the string moves back. I trhink it will be a bit more stable, stronger and more fluent when you release the bolt. Only my opinion as I have only observed this part now for the first time. PS Again I live in the part of RSA where hunting is aplenty - kudu, eland, warthog and many more. A hunters paradise!!!!!!!!!!!!!!!!!!!
     
  2. Odd Job
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    Odd Job Member

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    Hi Doem

    The cable guide doesn't tilt, because there is quite a bit of downward force from the cables and also it fits snugly on the guide rod. But it seems to me you could have that bottom piece full length and not harm it. The weight would be a bit more but I don't think its critical.
     
  3. Doem

    Doem Member

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    Hi OJ. Yeah I also think it is not critical. And as I am not one of the best DIY guys around I`ll just make it as unrefined but still to do the job. Thanks again for all the info.
     
  4. Doem

    Doem Member

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    Great news to all those guys looking for strings for the Crisbow Quadro etc. I found a guy , Marvin Long from Tailormaid Archery for can make those string for about 14 USD. His email is captnmarvl@gmail.com and he is from the USA. I will definitely be ordering mine. Cheers
     
  5. Doem

    Doem Member

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    Hallo all
    I am in the need for Easton Eagle 2117 aluminium bolts or what other combination may I used for my Crisbow MK 3.
     
  6. Odd Job
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    Odd Job Member

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    Hi Doem

    I had some arrows made up for me at Sharp Edge in Sandton City, you can Google them. The main thing to make sure of is that the nocks are flat, not moon/notched. If you have the arrows custom made you can ask them to set the fletchings 44mm from the back of the nock.
     
  7. Doem

    Doem Member

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    Thanx OJ. I see you`re an ex-pat. My cousin also stay in London
     
  8. Odd Job
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    Odd Job Member

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    I got myself another Crisbow yesterday. This is a "new old stock" Quadro 2000 MKIV with imbuia stock. It comes in two boxes, the first box has the stock, the stirrup and two Easton 2117 arrows. The version I bought doesn't have a scope, I will have to get that separately:

    IMG_2009_zps18e83525.jpg

    IMG_2010_zps863b3d2a.jpg

    The second box has the prod:

    IMG_2012_zps71684651.jpg

    The assembled crossbow looks like this:

    IMG_2013_zpsb17bf1e2.jpg
     
  9. Odd Job
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    Odd Job Member

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    Here are a few closeups showing the main features. Note the brass track, off-centered cable guide and metal stirrup:

    IMG_2014_zps0c3a788d.jpg

    IMG_2015_zpsf4952ab9.jpg

    IMG_2016_zps03537049.jpg

    IMG_2017_zpsef58d83e.jpg

    IMG_2018_zps33720921.jpg

    IMG_2019_zps192f5afb.jpg
     
  10. Odd Job
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    Odd Job Member

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    There were some documents with this crossbow also. Firstly a manual:

    ManualCrisbowQuadro2000ImbuiaPage001_zps2947bcce.jpg

    ManualCrisbowQuadro2000ImbuiaPage002_zps90d84a18.jpg

    ManualCrisbowQuadro2000ImbuiaPage003_zpsd37b014b.jpg

    ManualCrisbowQuadro2000ImbuiaPage004_zpsa24d1096.jpg
     
  11. Odd Job
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    Odd Job Member

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    And there was also a fold-out catalogue:

    ManualCrisbowCrossbowCataloguePage001_zps5ce2fa66.jpg

    ManualCrisbowCrossbowCataloguePage002_zps6aa054eb.jpg

    ManualCrisbowCrossbowCataloguePage003_zpsa3366da5.jpg

    ManualCrisbowCrossbowCataloguePage004_zpsbdd62020.jpg

    ManualCrisbowCrossbowCataloguePage005_zpsc3335fe0.jpg

    ManualCrisbowCrossbowCataloguePage006_zps9ffee45b.jpg
     
  12. Odd Job
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    Odd Job Member

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    I'll let you know how that imbuia version shoots once I have put a scope on it.

    I also managed to get hold of a Cheetah MKIII GRP (glass reinforced plastic) stock and I'll be taking photos of that alongside of my MKIV stock to highlight any differences.
     
  13. Doem

    Doem Member

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    Very good buy that. I found that my trigger is very hard to pull. Any suggestion on how to make it lighter and smoother?
     
  14. Odd Job
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    Odd Job Member

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    Hi Doem

    I opened up a Quadro trigger mechanism to have a look at the springs and it seems to me (in my humble newbie opinion) that there isn't much that can be done about it besides maybe spraying the mechanism with Remoil or similar lubricant. Most of that trigger resistance is due to tension on the string. I don't have the means to measure the trigger pull on mine, or we could compare weights.

    I'm going to post detailed pictures of the access to the trigger mechanism in the next few weeks, with thanks again going to Risxc for describing the procedure in previous posts.
     
  15. Odd Job
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    I opened two trigger mechanisms: one was on a well-used Cheetah MKIV and the other was a never-fired Cheetah MKII. The process is the same for both so I'll post pictures of the MKIII sequence here. Many thanks to RISXC for describing the process originally.

    First, you need to remove any pins holding the plastic dovetail rail insert to the main scope/sight mount. In this case there was one pin (arrowed):

    2082_zpse290dd9d.jpg

    Next, wind the elevation nut (blue arrow) all the way up by turning it counter clockwise. Note under the nut there is a plastic hook (yellow arrow) which is part of the dovetail insert and which must be moved rearward before it can be released:

    2084_zps31a98bc6.jpg

    You can now move the dovetail insert rearward and lift the rear up, just make sure you don't damage the coil spring whilst freeing up the insert:

    2086_zps7701cd83.jpg

    With the insert removed you now have access to the knurled nut and the spring (arrowed). Remove the spring and then get a hex key for the grub screw in the center of the knurled nut.

    2090_zps3ad37a16.jpg

    Hold the nut tight with your left hand and loosen the grub screw with the hex key, remove the grub screw entirely.

    2091_zpse0aa2a7f.jpg

    You now need to slide the knurled nut out. It will only come out the right side, and it is a tight fit. In my case it would not come out unless I used a flat screwdriver to lever it out:

    2092_zpsfacd412d.jpg

    2093_zps8b45f89c.jpg

    2094_zps9b4e891f.jpg

    2096_zps43fa0610.jpg

    With the knurled nut out, you have access to the main screw holding the sight/scope mount onto the frame. Unscrew that (blue arrow):

    2097_zps07b559a7.jpg

    Screw is out:

    2098_zps7f05e16e.jpg

    Now you can remove the mount by lifting the front up (arrowed). The rear sits in a recess in the frame, take care not to damage the mount or the recess:

    2099_zps9db77fea.jpg

    Continued...
     
  16. Odd Job
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    Odd Job Member

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    You can now see the trigger mechanism but you cannot pull it out yet!
    You need to take the safety catch off (orange arrow) and then whilst pulling the trigger you need to move the cable catch (green arrow) forward.

    2100_zps95733813.jpg

    You then have access to the lower screw securing the trigger mechanism to the frame. Unscrew that (blue arrow):

    2101_zps53c8f81f.jpg

    Removed:

    2102_zpsba40b3e9.jpg

    Don't try to pull the plastic buffer out of the front, it is retained under the trigger mechanism floor plate! Instead, gently rock the mechanism out. A flat screw driver at the top rear (white arrow) will help, and the plastic buffer will rise with the trigger mechanism. Use the cable catch (yellow arrow) to lift the front:

    2103_zps6cbe42a5.jpg

    Lift up the whole mechanism until the floor plate (white arrow) is clear of the track and the buffer (red arrow):

    2104_zps2a83d271.jpg

    You can then rotate the trigger mechanism clear of the plastic buffer:

    2105_zps76733f62.jpg

    You can now take out the trigger mechanism and you will have a lot more space to get at the plastic buffer if you want to take it out (but there is no need unless it is damaged).

    2108_zps5a766f5f.jpg

    I will show you the components of the trigger mechanism next...
     
    Last edited: Mar 30, 2013
  17. Odd Job
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    Now that you have the trigger mechanism out, you can use the same hex key from before to remove the single machine screw that holds the mechanism together:

    2109_zpsa178b931.jpg

    When the screw is removed the side plate can come off and you can see the innards. There are two plastic spacers and one metal washer to be removed next:

    2111_zpsa33f8d9f.jpg

    Next, the cable catch:

    2112_zpsb8ae8f0c.jpg

    Once that is removed, you have access to the safety catch:

    2113_zps398a5feb.jpg

    Remove that carefully:

    2114_zps1c436867.jpg

    You can now get at the safety catch spring and a safety catch plastic spacer (not shown is a metal washer on the underside of that spacer):

    2116_zpsef80f9da.jpg

    Next there is a sear arm which sits on the trigger plate:

    2117_zps460e70f6.jpg

    Once that is out, you have access to the trigger itself:

    2118_zps22a0ee78.jpg

    If you turn the unit over carefully you can see where the trigger spring hooks on:

    2119_zpsd05c311e.jpg

    Here's the spring without the trigger:

    2120_zps294ddc0c.jpg

    This is for Doem, a picture of the trigger spring:

    2121_zps3adac880.jpg

    And lastly all the components of the trigger mechanism laid out (remember there is a metal washer under one spacer):

    2122_zpsafe66fc6.jpg
     
  18. Doem

    Doem Member

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    awesome. This will help me a lot. Thanks
     
  19. Odd Job
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  20. Doem

    Doem Member

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    Hi guys
    I am looking for a new set of cams for my MK3 Crissbow. Could it be re-manufactured out of aluminium? Mine still functions but not in to great a shape. Please help
     
  21. Odd Job
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    I can't see a reason why aluminium won't work, but the issue will be how it is manufactured. You might be able to send the existing cams to a company who can laser scan them and then make them in a CNC process but I suspect that will be quite expensive!
     
  22. deftjust

    deftjust Member

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    Hi there - found your forum while trying to research this crisbow we've had in storage for years. Wondering if you know anyone looking for a Cheetah - MK 4. ? Many thanks.
     
  23. Odd Job
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    Odd Job Member

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    Welcome to the High Road, Defjust.

    I suggest you start a new thread and include the following information:

    1) Your location
    2) Pictures of the crossbow (all the components and spares, if any)
    3) Price

    If you don't get any interest, you can also try Crossbow Nation:

    http://www.crossbownation.com/forum/index.php?
     
  24. Doem

    Doem Member

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    Hi guys. I am still looking for a set of cams for my Mk111 please
     
  25. CarloK

    CarloK Member

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    IMG-20130126-WA0001.jpg Newbie!! what a relieve to find this forum.. I own a mk 3 compound. Would love to hunt something with it this hunting season. Any one done some hunting with these before?
     
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