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Oz Nerf - Australian Nerf Community

Nerfing down under!. Oz Nerf - Australian Nerf Community

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Acerised
Unknown
6 posters

    Plunger tube replaced RFSG

    Unknown
    Unknown


    Posts : 997
    Join date : 2010-07-07
    Age : 23
    Location : North Brisbane

    Plunger tube replaced RFSG Empty Plunger tube replaced RFSG

    Post  Unknown Sat Apr 21, 2012 3:47 pm

    I did this mod hoping to get a blaster with enough air volume to effectively use a hopper or RSCB. The stock plunger tube is pretty small, not all that much bigger than a stampede's. I've replaced the PT, plunger head, trigger (not pictured) and spring rest.

    Materials and tools
    Acrylic sheet - 5mm thickness
    32mm bath plug
    32mm PVC or 40mm downpipe
    coupler of your choice. (I used a 15-25mm reducer)
    a few small screws
    superglue/epoxy

    Power drill/drill press
    hole saw
    dremel
    file (optional)
    screw driver
    hacksaw

    Here's our spring, plunger rod, plunger tube and shell.

    Plunger tube replaced RFSG Photo135

    I'm using an Oznerfnerd spring + stock LS spring at the moment and it's still easy to prime.

    Here you can see the acrylic disk I'm using as the spring rest and the bath plug.
    Since taking this photo I've inverted the bath plug to act as a skirt seal. This way I'm getting a flawless seal.

    Plunger tube replaced RFSG Photo136

    These are the washers I'm using and the screw. Almost any will do.

    Plunger tube replaced RFSG Photo137

    You can see here where I've dremeled the shell to fit the plunger tube. This step will take a while.
    I actually used the hole saw to open up the front to give me a clean and perfectly circular cut.

    Plunger tube replaced RFSG Photo138

    Here's the completed plunger rod again.
    Notice the bath plug orientation.

    Plunger tube replaced RFSG Photo139

    You may or may not have to trim the priming rod for it to fit. Since this picture was taken I have moved the PT even further forward negating the need to do this.

    Plunger tube replaced RFSG Photo140

    Here's some PT comparisons.

    Plunger tube replaced RFSG Photo141

    Plunger tube replaced RFSG Photo142

    Plunger tube replaced RFSG Photo143

    Ranges
    Definitely getting much better ranges now. Similar to a singled Tripleshot but with a slightly larger air output. Easily passing 120' flat at the moment with the Oznerfnerf and LS spring combo. I'm yet to try a hopper or RSCB on it.
    Acerised
    Acerised


    Posts : 618
    Join date : 2010-10-24
    Age : 27
    Location : North Brisbane

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  Acerised Sat Apr 21, 2012 4:02 pm

    Wow, nice and clean write up.

    Great Job!
    mavshot
    mavshot


    Posts : 147
    Join date : 2010-07-30
    Age : 24
    Location : Sydney

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  mavshot Sun Apr 22, 2012 12:59 am

    Nice that's really awesome wish rfsg were easier to find though.
    Bacara
    Bacara


    Posts : 216
    Join date : 2010-06-30
    Age : 27
    Location : Bomaderry/Nowra NSW

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  Bacara Sun Apr 22, 2012 6:58 am

    Shame the epic turret gets lost in the process.
    clunk07
    clunk07
    Administrator
    Administrator


    Posts : 2953
    Join date : 2011-02-02
    Age : 41
    Location : Blackwater, Queensland

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  clunk07 Sun Apr 22, 2012 9:21 am

    mavshot wrote:Nice that's really awesome wish rfsg were easier to find though.

    they're easy to find, just expensive.

    So happens I have a spare one downstairs, but those ranges sound fairly low. I got roughly similar ranges with stock PT and a much smaller spring combo, with a turret as well. I'd re-measure it mate, I think you may be surprised.


    Cheers,


    ____________________________________________________________________________________________________________________________________________________________
    Plunger tube replaced RFSG Cwc_lo10

    Clunk Weapons Co. Blaster-smith Services:
    Commissions offered on Stampede, LongShot, Spectre, LED Maverick.

    CWC Blaster-smith Services
    CWC Custom Paint
    makeitgo
    makeitgo


    Posts : 161
    Join date : 2011-04-04
    Location : Ottawa, Ontario, Canada

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  makeitgo Sun Apr 22, 2012 11:36 am

    [quote="clunk07"]
    mavshot wrote:... those ranges sound fairly low. I got roughly similar ranges with stock PT and a much smaller spring combo, with a turret as well. I'd re-measure it mate, I think you may be surprised.

    Cheers,

    It's possibly because Unknown's spring isn't long enough. It doesn't look 'pre-compressed'.

    Unknown wrote:
    Plunger tube replaced RFSG Photo143

    Unknown, you could be losing out on potential power and range if your spring is too relaxed in it's unprimed state. With that amount of volume of air, you need all the momentum you can get.

    Essentially, your plunger begins to slow down too early in your current configuration.





    Unknown
    Unknown


    Posts : 997
    Join date : 2010-07-07
    Age : 23
    Location : North Brisbane

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  Unknown Sun Apr 22, 2012 11:51 am

    Yeah, that's definitely something I'm going to have to work on. I'm looking at either making a spring rest similar to that in a Longshot or replacing the spring with a Kha spring.

    I'll give it a shot and range test again.
    clunk07
    clunk07
    Administrator
    Administrator


    Posts : 2953
    Join date : 2011-02-02
    Age : 41
    Location : Blackwater, Queensland

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  clunk07 Sun Apr 22, 2012 11:53 am

    Unknown wrote:Yeah, that's definitely something I'm going to have to work on. I'm looking at either making a spring rest similar to that in a Longshot or replacing the spring with a Kha spring.

    I'll give it a shot and range test again.

    The spring rest I made was quite simple, and didn't take much time. Just a piece of PVC, and the lid off a jug of spring water.

    Cheers,


    ____________________________________________________________________________________________________________________________________________________________
    Plunger tube replaced RFSG Cwc_lo10

    Clunk Weapons Co. Blaster-smith Services:
    Commissions offered on Stampede, LongShot, Spectre, LED Maverick.

    CWC Blaster-smith Services
    CWC Custom Paint
    Acerised
    Acerised


    Posts : 618
    Join date : 2010-10-24
    Age : 27
    Location : North Brisbane

    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  Acerised Wed Jun 20, 2012 10:54 am

    Plunger tube replaced RFSG 2a6p82t

    Here's my progress.

    Sponsored content


    Plunger tube replaced RFSG Empty Re: Plunger tube replaced RFSG

    Post  Sponsored content


      Current date/time is Wed Jan 26, 2022 6:10 pm