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melbourneSTORM4eva
Roger Explosion
6 posters

    Buzz Bee Mega Missile Overhaul

    Roger Explosion
    Roger Explosion
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    Buzz Bee Mega Missile Overhaul Empty Buzz Bee Mega Missile Overhaul

    Post  Roger Explosion Fri Oct 02, 2009 10:01 am

    The mega missile is a strange little weapon. Its like a Big Blast pistol, And just like its big brother, it has a real kick to it.

    I'm going to split this mod up into a few sections, pertaning to modifications of diffrent areas.


    Coupler addition

    The basic part of this mod. Adding a 15mm Coupler will let you use diffrent barrels for shooting Stefans.

    You will need:
    15mm coupler

    Tools:
    Screwdriver
    Texta
    Hacksaw
    Something to cut the case with.

    Buzz Bee Mega Missile Overhaul Mmissile1

    Before you open it. Take a 15mm PVC coupler and slide it over the barrel.

    Buzz Bee Mega Missile Overhaul Mmissile2

    Then trace around it with a texta. This will come in real handy soon.

    Buzz Bee Mega Missile Overhaul Mmissile3

    Now remove all the screws on the main body, but don't bother with the ones on the pump handle.

    Buzz Bee Mega Missile Overhaul Mmissile4

    Just one last thing before we get 'er open. this little orange cap. Pry that off. I McGyver'ed it off with my Swiss Army knife and some brute force. Depending on how clean it comes off, you can put it back on when you reassemble.

    Buzz Bee Mega Missile Overhaul Mmissile5

    Ok, now we are inside. Looks very simmilar to a big blast, but smaller.

    Buzz Bee Mega Missile Overhaul Mmissile6

    Take out the main part of the internals. Then use a hacksaw to cut the Orange barrel right off. Cut right along the seam along the black part

    Buzz Bee Mega Missile Overhaul Mmissile7

    Like so

    Buzz Bee Mega Missile Overhaul Mmissile8

    Now take your 15mm PVC coupler and we need to cut it in half. The half way point is right where this little notch is.

    I got this coupler from Mitre 10. The ones there are much better than the ones at Bunnings. Its slightly softer so the PVC pipe sits in there nice and tight.

    The eaisest way to get cut a coupler in half is to use a Pipe Cutter most of the way, then finish the job with a Hacksaw. Couplers are quite thick, so it will take an eternety to cut through it with just a pipe cutter. and using the pipe cutter helps get the cut as straight as possile. The straighter the cut the straighter your barrel will sit on. Meaning much more accuracy.

    Buzz Bee Mega Missile Overhaul Mmissile9

    And there we go. The point of cutting it in half is to reduce Dead space. and also you get 2 uses in one. Perfect in these recessionary times.

    Buzz Bee Mega Missile Overhaul Mmissile10

    Now glue it where the barrel used to be. I used hot glue because i was lazy, but I'd reccomend Epoxy glue if you have the patience.

    make sure the glue joint is nice and clean, becasue thats exactly where the shell of the gun sits.

    Buzz Bee Mega Missile Overhaul Mmissile11

    Now remember that circle we traced. we need to cut the shell down to that line so the coulper will fit. I used my 3 part strike team of Wire cutters, Swiss army knife and Half round file. But you could also use a dremel if your some kind of fancy pants.

    Buzz Bee Mega Missile Overhaul Mmissile12

    Now put it back toghether and let the fun begin.

    Now the results:

    I used my big blasts 12 inch long barrel and it shot about 100 feet flat. Just like a big blast.

    Pump Overhaul

    The Stock pump on the Mega Missile sucks big time. It has a tiny stroke and takes about 20 pumps to fill the tank. We are going to change that.

    You will need:
    A Big blast, or a tube which the pump will work in. ( I belive 25mm PVC will do the job)
    16mm Aluminium rod
    Plenty of Epoxy putty

    Tools:
    The same as above mod, Plus:
    Vice
    Pipe cutter (can use hacksaw if you don't have one)

    Buzz Bee Mega Missile Overhaul Mmissile13

    you will need to cut the pump tubes off the Mega missile and Big blast. If you have a tube which can fit the pump, cut some of that to your desired length.

    Buzz Bee Mega Missile Overhaul Mmissile14

    Cut down the the Mega missiles pump. cutting off the handle and the pump head. Follow the red lines i drew.

    Buzz Bee Mega Missile Overhaul Mmissile15

    Now here come the tricky bit.

    Take a screw from the case. Cover the area around the hole with Epoxy putty. then push the screw through the hole and then wedge it down in a vice while it dries. then add more epoxy putty over the top for strength.

    So what the hell does that do. well it all comes down to what is said inThis thread. So basicaly I'm tightning the spring behind the Over pressure valve, meaning that the mega missile will now work at a higher pressure, but still has a saftey so it dosen't explode. This method is a ton better that plugging the pump like a n00b.

    Buzz Bee Mega Missile Overhaul Mmissile16

    Now cut a piece of aluminium tube to match the size of the pump tube. This tube also works as a fantastic barrel material for stefans.

    Buzz Bee Mega Missile Overhaul Mmissile17

    Stick all the pieces togheter with Epoxy putty. making sure the joint on the pump tube is airtight.

    Buzz Bee Mega Missile Overhaul Mmissile18

    Use the old mega missile pump tube to mark where to bore out so the new pump can fit.

    Buzz Bee Mega Missile Overhaul Mmissile19

    Then cut it out.

    Trigger reinforcement

    The trigger, with all the aditional pressure is going to come under some stress. So it needs strengthning.

    Buzz Bee Mega Missile Overhaul Mmissile20

    Basically, cover the area with Epoxy putty. when its still wet, push the trigger into where it ususaly sits and slide it back and foward a few times so it will fit when it dries. Doing this not only makes the trigger last longer, but it also stops it pulling upwards on the air tanks firing pin. If the pin bends too much it can break the air tank.

    Verdict

    here it is completed
    Buzz Bee Mega Missile Overhaul Mmissliecomplete

    I haven't tested its maximum range, but I assume it can go above 100 feet. It's quite difficult to pull the trigger with all the extra pressure in the air tank.


    Last edited by Roger Explosion on Tue Oct 13, 2009 10:27 am; edited 3 times in total
    melbourneSTORM4eva
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    Post  melbourneSTORM4eva Fri Oct 02, 2009 11:47 am

    Very nice write up mate.Im thinking of buying my own and ill do this.
    Roger Explosion
    Roger Explosion
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    Post  Roger Explosion Tue Oct 13, 2009 10:29 am

    My orignal intention for this gun was for it to be used shotgun loaded. but it just doesn't work very well. There is just not enough volume of air and its even worse at full pressure, sometimes not firing all the darts.
    inf0rm3r
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    Post  inf0rm3r Tue Oct 13, 2009 4:38 pm

    Nice mod, tutorial is very well explained compared to the stuff on Nerf haven

    I'll give this one a try when I have some spare time.
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    Beachedwhale


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    Buzz Bee Mega Missile Overhaul Empty Re: Buzz Bee Mega Missile Overhaul

    Post  Beachedwhale Tue Jan 12, 2010 12:51 pm

    Hey , I'm new to nerf and wanted to try a mod besides just removing the air restrictions which is what i have been doing so far. I have a mega missile and i took a trip to magnet mart , I was able to find a 15 mm coupler and pvc pipe the darts fit but very very loosely (not even worth trying to shoot with it) what are you using as a barrel?


    Thanks
    mentalmatt
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    Post  mentalmatt Wed Oct 06, 2010 10:42 am

    how could i make a barrel for this mod?
    mentalmatt
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    Post  mentalmatt Wed Oct 06, 2010 11:06 am

    sorry its October 6 and it was made on October 2 so thought it was made a few days ago and when was my first strike
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    Post  Primus1356 Wed Oct 06, 2010 2:30 pm

    Hey Roger whats the limit of safe pumps with the new volume pump?

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