Inside the larue auto reset target

[jmorris]

Does anyone have photos of the inner workings of the Larue auto resetting target they could share?

 

[Hoser]

Re: Inside the larue auto reset target

I do. Yours not working?

PM sent.

 

[jmorris]

Re: Inside the larue auto reset target

Thanks. PM sent back to you.

 

[Sean the Nailer]

Re: Inside the larue auto reset target

jmorris, empty profile and whatnot, so yeah, I'll ask.

Are you wanting to COPY something of their design, or REPAIR one you already have?

Cause you'd think that you would contact the manufacturer if there is a problem with your item.

Wouldn't you?

 

[birddog762]

Re: Inside the larue auto reset target

especially one with such first class customer service!

 

[BAMCIS]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Sean the Nailer</div><div class="ubbcode-body">jmorris, empty profile and whatnot, so yeah, I'll ask.

Are you wanting to COPY something of their design, or REPAIR one you already have?

Cause you'd think that you would contact the manufacturer if there is a problem with your item.

Wouldn't you?
</div></div>

He's not the Nailer without a reason

 

[Roadwild17]

Re: Inside the larue auto reset target

Humm, your not from China, Korea or Taiwan or ya?

 

[Jon Lester]

Re: Inside the larue auto reset target

I thought this thread was about bad places to hide.

 

[neo223]

Re: Inside the larue auto reset target

Mine is 4 years old and rock solid. Sorry, no pics.

 

[Arch]

Re: Inside the larue auto reset target

JMORRIS of no-one nowhere, mine is working fine thank you.

 

[jmorris]

Re: Inside the larue auto reset target

If there are others interested in the engineering of the design here are two videos.

http://www.youtube.com/watch?v=sGA79DcEGJA

http://www.youtube.com/watch?v=1n5cnrPPMNk&feature=related

 

[kingston]

Re: Inside the larue auto reset target

looks like a windshield wiper motor. look at surplus center.

 

[jmorris]

Re: Inside the larue auto reset target

Not many 2.5-3 rpm windshield wiper motors and none strong enough to life a 30# hunk of steel.

 

[jpickett07]

Re: Inside the larue auto reset target

larue makes awesome targets, i love mine

 

[mavrick10_2000]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jpickett07</div><div class="ubbcode-body">larue makes awesome targets, i love mine </div></div>

So what are you wanting to sell? 36 comments/posts like this in less than 23 minutes?

 

[jmorris]

Re: Inside the larue auto reset target

Being interested in an auto reset rifle target for long range shooting I liked the Larue target but at over $1000 a pop they sounded a little expensive. After building several different auto reset plate racks I knew how much gear reduction was required to reset say 5, 8” round plates or 10 plates of different dimensions , it took quite a bit and the reduction systems I used took up a lot of space vertically. Not something that would be practical for defending against rifle fire or mobility so I decided to try one of the (box of) motors I have used in the past for different projects (6X4X2) you can see it rotate against the bench at start up.

The target is a 2/3 sized silhouette made of 3/8” AR500 and it takes 17 ft-lb to lift it from horizontal. There is still a lot of “stuff” to fabricate but it looks to have enough power to reset in less than 5 seconds.

Here is a video of the trial on the bench.

http://s664.photobucket.com/albums/vv5/qvideo/gn/?action=view&current=1stautotarget.flv

I guess I have more time and equipment than money.

 

[jmorris]

Re: Inside the larue auto reset target

I got the low profile reseting rig working today now it needs armor and paint. I didn't have a CNC machine to mill the slot for the cam like the larue so I used a band saw and pressed the part onto another shaft.

some more crappy videos of it working.

http://s664.photobucket.com/albums/vv5/qvideo/gn/?action=view&current=VID_00016.flv

http://s664.photobucket.com/albums/vv5/qvideo/gn/?action=view&current=VID_00012.flv

http://s664.photobucket.com/albums/vv5/qvideo/gn/?action=view&current=VID_00011.flv

 

[jmorris]

Re: Inside the larue auto reset target

Some have wanted better details of how it works. The cam is working on a pin from the bottom (grade 8 3/8" bolt cut off). There is a spring counter bored into the 1" shaft to keep the cam against the pin by pushing back on the motor. I used double split set collars to allow for adjustment.

 

[jmorris]

Re: Inside the larue auto reset target

I got the swtiching complete this afteernoon. I liked the proximity sensors that the larue used but I didn't want to waist the few I have (expensive) for such a simple job so I used some $.99 surplus limit swtiches that I had.

Stop limit open (target up and 270 degrees rotate ready for reset)

Start limit closed (target down)

both stop and start limit open (target up)

 

[jmorris]

Re: Inside the larue auto reset target

A video of the interaction. I let the target down by hand so you could see the start "nub" work.

http://s121.photobucket.com/albums/o213/jmorrismetal/target/?action=view&current=HPIM0404.flv

 

[Rundownfid]

Re: Inside the larue auto reset target

Nicely done target, I hope it works well for you, this site has some very suspicious characters.

 

[jmorris]

Re: Inside the larue auto reset target

Thanks. I think they just didn't want to see such a good sponsor of our sports get jacked out of their idea, I understand that. FWIW folks have already contacted me to build one, or more, for them and the response is "I copied Larue's idea and am only posting the how to for other do-it-yourself types." I have no intention on going into business on others (good) ideas.

I didn't want to start a bunch of crap, I just have more time and equipment right now than money.

 

[jmorris]

Re: Inside the larue auto reset target

I got a little more done today.

Here are the batteries mounted and the on off switch that goes at the rear of the cover, recessed in a section of pipe to keep the lever from getting knocked off.

Cover on

Other side of cover. I will use a section of pipe to cover the near pillow block.

I didn’t like the looks of the motor torquing against the plate, even though it would have lasted for years, I added two oil-lite rollers to keep it level and let it roll back and forth without friction.

Another photo of the near side roller.

I'll complete the welding and use 1/2" plate and a cross tie to protect the front this weekend for testing and order AR500 when I get a chance.

 

[Victor Co Heather]

Re: Inside the larue auto reset target

That is damn pretty. Nice work. Makes me want to start a build.

 

[AXEMAN]

Re: Inside the larue auto reset target

pretty sweet, nice job. i need more tools

 

[hodds]

Re: Inside the larue auto reset target

nice job. how many hours you got into that???

 

[jmorris]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: hodds</div><div class="ubbcode-body">nice job. how many hours you got into that??? </div></div>

I am not sure, I'll try to keep track on the next one.



I finished the first one today. Here is a photo of the bottom plate after a light sand blast the bolt is for a rubber damper off a VW bug.

Here is the cover I used 1/2" rod to protect the swtich and charge ports and give you something to grab onto.

The guts all together.

The front with an extra plate to stop low hits from causing damage.

The rear with power swtich and charge ports in place.

 

[Psycho-82]

Re: Inside the larue auto reset target

Damn that is very nicely done, i wish i had the equipment and funds to build something like that.

 

[bucketofguts]

Re: Inside the larue auto reset target

my hat is off to you sir. pretty work! ~~~~~~~~~~~~~~~~bog

 

[LVshooter]

Re: Inside the larue auto reset target

Very nice.

 

[SingleShot85]

Re: Inside the larue auto reset target

what's the reset count on those batteries?? ie number of resets before recharging????

A few years back I saw and shot one the was driven off compressed air, it seamed to be serviceable as well

 

[The Mechanic]

Re: Inside the larue auto reset target

You guys should check out jmorris's case annealer. It is artistry in work. He makes some pretty neat stuff.

 

[jmorris]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: SingleShot85</div><div class="ubbcode-body">what's the reset count on those batteries?? ie number of resets before recharging????
</div></div>

I did the math for 7.5Ah batteries and they would do 3857 resets but wound up using 8Ah batteries. Even with 7.5 Ah thats just over 16 hours running constantly.


Thanks for the comment on the annealer, it was simple build and I still have some of the blades and plans left if anyone is interested.

 

[The Mechanic]

Re: Inside the larue auto reset target

I had a blade made a couple years ago and have a speed controller and motor but just haven't gotten around to making the table and putting it together. I have seen some of your projects over the years and they are genius.

 

[C.K]

Re: Inside the larue auto reset target

what was your total cost??

 

[Strangedays]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: C.K</div><div class="ubbcode-body">what was your total cost?? </div></div>
Better question, how much if you built us one?

 

[jmorris]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: C.K</div><div class="ubbcode-body">what was your total cost?? </div></div>

I already had everything except the charge port ($5), bushings ($3), pillow blocks ($38), batteries ($39) and AR500 targets ($74.80) so just under $160 but again that’s with having a lot of what my wife calls “junk” sitting around.

None to be built for sale.

 

[00037]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jmorris</div><div class="ubbcode-body">None to be built for sale.</div></div>
Fair enough. How about donations?

 

[Strangedays]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: modifier</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jmorris</div><div class="ubbcode-body">None to be built for sale.</div></div>
Fair enough. How about donations?

</div></div>
1+

 

[jmorris]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: modifier</div><div class="ubbcode-body">
Fair enough. How about donations?

</div></div>

I'll help you out if you have any questions on building one for yourself. How is that?

 

[superde]

Re: Inside the larue auto reset target

That is some great work. Where are you located in Texas if I may ask?

 

[jmorris]

Re: Inside the larue auto reset target

Instead of a bunch of pm's answered individualy I'll put answers to questions here. The only reason I used a 24vdc motor was they were free and another battery cost a lot less than a gearmotor. I have no idea what they were intended for but they have plenty of ass for this application.

 

[jmorris]

Re: Inside the larue auto reset target

Another pm'ed question.

I ordered the ar500 steel from

http://handgunsports.com/

Jerry has the best prices that I have found.

 

[jmorris]

Re: Inside the larue auto reset target

We took it out last Saturday and tested it with my 10.5" AR (the loads don't make PF) and it worked fine but my 9mm minor loads didn't drop it with low hits at 65 yds so I added an adjuster so you can trim the plate for greater sensitivity, so we can use it in pistol matches too. It requires no tools and only takes a few seconds to set. I also drilled a .090" hole through the adjuster and inserted a section of weed eater cord to act as an internal nylock so it stays put regardless of vibration.

 

[00037]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jmorris</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: modifier</div><div class="ubbcode-body">
Fair enough. How about donations?

</div></div>

I'll help you out if you have any questions on building one for yourself. How is that? </div></div>
That would work. Thank you.

 

[Rotortuner]

Re: Inside the larue auto reset target

tag

 

[AUJohn]

Re: Inside the larue auto reset target

get 4+ on a range spread out, add some timers which can reset in a "random" window and you have some real fun.

 

[jmorris]

Re: Inside the larue auto reset target

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: AUJohn</div><div class="ubbcode-body">get 4+ on a range spread out, add some timers which can reset in a "random" window and you have some real fun.
</div></div>

The reset is quicker that the Larue but still too slow for that. You would wind up shooting against the motor setting it up. You would need pneumatic or a very fast electric reset as you would need the target to fully appear before you would have time to make a shot.

 

[SELPHB]

Re: Inside the larue auto reset target

Thanks for the info now i have some ideas...

 

[105amatt]

Re: Inside the larue auto reset target

Awesome thread man, gives me hope about building a target for myself.