Has anyone built or is anyone building a sentry gun ?
I am designing and getting ready to build one myself just wanting to see if anyone has any good ideas/info.
Thanks,
Grant.

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

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I love how they have modded the mg42 aka smart gun up.

Our very own Sidewinder made a Sentry Gun:




IIRC, the Sentry Guns were indeed built around an MG42 but with different ammo drums - MG08/15, I think.

OK....construction on my fully functional NERF sentry gun has begun...yes, that's right FULLY FUNCTIONAL and NERF !
The concept/design is to have an oscillating reproduction of the UA 571-C from "Aliens" with remote on/off for the oscillation and a separate button to arm the firing mechanism.
The unit will have a built in directional PIR to detect body heat and when it picks up a heat signature it will stop oscillating and open fire at the heat source.
I will post up some pics as it starts to come together.
Cheers,
G

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

NICE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

While construction on the main gun assembly continues I have done a test set up of the electrics and firing mechanism that will go into the gun.
Here is a link to a video I have done running through a little test of the system.

http://youtu.be/2V13YXPym5I

Enjoy,
G

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

That is awesome!!!! AAAHHHH! hahaha!

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Lt. Melissa L. Klassen, ALG
AL Colonial Admin. - Executive Officer (XO) -- 2021-2022
RCCM | Royal Canadian Colonial Marines - Commanding Officer (CO) -- 2021-2022

Read the AL Charter Rules & Regulations: https://docs.google.com/document/d/1i3gd9QUyIqI_6rfk8kpxspbKU-JT4MBAjLPxfCkvGJ8

Love it! Brilliant work so far!


Kevin

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I told you I'd shoot, but you didn't believe me! WHY DIDN'T YOU BELIEVE ME!?!

You've taken the prop to a whole new level.

I forgot to mention that the Nerf gun has been extensively modified also....air restrictor removed, 6 X spring fitted and it's now running on 12v instead of 7.2v so it fires MUCH quicker than standard ...It really packs a punch !....as you could probably tell by my reaction LOL

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

The reaction was priceless

Brilliant work!

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A11/TQ1.0.32150E1 Murphy, J - Covert recording headcam. There is no flashing red light when you are on Kona-Cam
Weyland-Yutani: Their projects are intentionally full of bugs. Avoid!

It hit me square in the jewels ! ...Ouch !

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

I keeeeeel you and steal the pretty pretty, shiny shiny
(that is a compliment btw)

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"Chief Bartender for the Naughty Corner Bar"

Carpe Crustulum!! (seize the cookie!!)

Very nice!

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Sir, does this mean that Ann Margret's not coming?

Here is a teaser pic and a link to the gun build for those interested.



Build pics @ https://www.facebook.com/media/set/?set ... 31d69b266c
Cheers,
G

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

Dude, link not working???

try that ?

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

The new/edited link works fine here, even when not logged in to Facebook.

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Steve
Corporal in 69th Regt. 1st Batt. Homer’s Heroes.

"I'd like to die at the age of 80 in my own bed, with a belly full of wine and a girl's mouth around my c**k."

a couple more pics added to the album and now !.... we got movement ! http://www.youtube.com/watch?v=FYFJ2pc0EBU

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

That looks amazing! Fantastic job so far. Hey, is that green thing on the side part of a gasmask?

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My entry-level prop and costume tutorials: viewtopic.php?f=3&t=12751

Sentry guns kick ass, they really come in handy when they're wall to wall

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All right, sweethearts, what are you waiting for? Breakfast in bed? Another glorious day in the Corps! A day in the Marine Corps is like a day on the farm. Every meal's a banquet! Every paycheck a fortune! Every formation a parade! I LOVE the Corps!

That is actually the "Nerf" gun magazine .... It's a 36 dart rotary mag from a Nerf "Raider" kit, just modified to look close to the real thing.

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

A little more progress made

Video: http://youtu.be/0-NO1rzxTUg

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Check out my Nerf Pulse Rifle build @ http://forum.alienslegacy.com/viewtopic.php?f=3&t=13913

Okay: between your amazing sentry gun and Marsattacks' fantastic prop work I think the Australian Marines need to consider making a fan film. I bet you guys have some unbelievable locations for alien worlds too.

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My entry-level prop and costume tutorials: viewtopic.php?f=3&t=12751