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Ultrastu

Home made bsa bullpup

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The 2 zip ties were put there just to hold it while i got a feel for the linkages. 

As it turns out they dont look too bad and hold it really well .i think when i build a stock on it. They will be mostly hidden and be fine .the wood stock also holding the trigger block in the correct position .

Pleased so far. I might rough out a stock this weekend 

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1 hour ago, DC177 said:

When finished send the blueprint to BSA.

 BSA already make a bullpup it called the Defiant.

Edited by fse10
.

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21 minutes ago, Ultrastu said:

And its because of that "gun" im building my own 

And is good to see. Wish i was minded that way but all fingers & thumbs .

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That trigger mech looks like a recipe for stiction although tucked out of the way and, I appreciate, easier to fit. Would something like a push/pull cable such as those fitted to car heaters be possible to fit? You could clamp the outer sleeve out of the way with a nice smooth curve which, with a nylon lined cable, would give a slick action and a bit more feel.

Just a thought

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A pull rod or cable is always gonna be better than a push version .but the engineering required is above my resources. 

To be fair this rod feels pretty good .

A straight rod is better than one with bends in it .but im gonna find it tricky to get the stock round one .so this short (165 mm ) rod does the job pretty well .

We will see how it feels when the stock is on .

Thanks for the imput .:good:

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Obviously you can feel the trigger but would a less exaggerated curve not be better? Looks like you would have room.

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Thats a good idea .:hmm:

I think i will try it as is first  .but if its too vauge i can always make another rod .and run it lower and straighter 

Cheers mice hadnt thought of that .:good:

Edited by Ultrastu

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On 23/04/2018 at 21:31, Ultrastu said:

Pleased with this trigger linkage 

And my shameless copy of the smk p15 stock :good:

IMG_20180423_212935.jpg

wouldnt it be more positive with the linkage made from steel plate in the shape of a moon cresent and in the centre of it a slot cut for a guide screw ?...just a thought

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22 hours ago, joe soapy said:

Or use electric,,, Not sure how fast reacting a car door lock would be

:lol: :no:

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Its sitting waiting for me to make the stock.

Its finding the time to complete it. When i do i will post the pics .

Suffice to say it should work very well as trigger mech is nice .

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I do like the simplicity of the wire trigger connection but I also feel like Ditchie that a flat plate made from steel or for lightness ally would have less tendency to flex and be more positive.

The joy of that set up is you can try a variety of ideas fairly easily.  How soon will you be taking orders ?:good:

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Hah .

You know if i could turn them round at a profit and sell for £550 i think id have a lot of orders. 

Why bsa didnt do it i will never know. 

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Im liking the micro solenoid route, as suggested by the car door central locking. Be a neat way of doing it with a battery in the stock. Little mill grade switch behind the remote trigger and solenoid working the real trigger.

If only I had the time and bullpups  weren't at a massive disadvantage in HFT I might well have a go myself.

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