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#6419158 - 08/22/16 01:36 AM Sighting in my Thor Thermal
CharlieCTx Offline
Tracker

Registered: 05/27/13
Posts: 782
Loc: Flower Mound, TX
I have had a hell of a time getting my Thor sighted in...

Went to Elm Fork on Saturday (Quail Creek is closer, but they were flooded). I was the only person there on the 25/50 ft section up until the end. Set up on the 25ft line, took a few shots, couldn't seem to hit the paper. Asked the RO to come stand behind me and look as I fire. 5-8 shots, he tells me I'm bouncing off the concrete? I've got the reticle moved almost all the way up... Start looking for something on my gun/mount that can somehow be off. Shoot 3-5 more rounds, tells me the same thing. cry WTF! So I give up on the Thermal for a bit, and sight in my Red Dot I hung off the side (given I've had almost as many encounters too close for a scope as I've had at distance). 3-4 shots, he's on. Pop the Thermal back on and use the red dot to see where the Thor is pointing...it was shooting high! mad Not sure how one shoots high and bounces one off the concrete in the same shot. To wind up this day, since I hadn't read the directions "fully", turns out when I thought I was saving my zero parameters, I wasn't... I also got my Larue equipped glass scope sighted in. The RO told me no matter what, if I took the scope off, I'd have to boresight it again. I had to explain the purpose of the Larue and show him, indeed it goes on and off and maintains zero.

Undeterred, head out to Quail Creek Sunday afternoon... The dang rifle range is setup east-west, with the PM sun, on the targets. The plastic-type material of the splatter type targets heats up fast I guess and the hand warmers I bought evidently weren't too hot. I basically couldn't hardly locate my hot spot. The multitude of paper, plastic targets. some damp, some dry looked like a mosaic in the thermal. So I decide to try a paper target on cool damp wood (ripped the old stuff of completely). I'm at 100 yds (turned the scope off and lost the zero I set @ 50) and was searching for paper with the help of my 25yd sighted red dot. Seemed like I was all over the place, could not understand why. Turns out, the snapperhead (building a "tacticool" 223 as he called it) next to me, was shooting my target most of the time!

I was about out of BB's, clearly out of patience and figured there was something I still wasn't doing right to keep the zero profiles loaded. What a waste of 5 hrs of my weekend and some good ammunition.

I've now RTFM and paid attention this time... anyone have a better alternative to a handwarmer to light up a spot?

Thanks,
Charlie

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#6419280 - 08/22/16 07:43 AM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
Double Naught Spy Online   content
Extreme Tracker

Registered: 05/18/11
Posts: 4182
Loc: Forestburg, Montague Cnty, TX
Probably not an option for you, but I just zero on steel targets. You can also use reflective targets such as aluminized tape. You can use silver duct tape.

You can also use cold objects. Free a few bottles of water.
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#6419325 - 08/22/16 08:24 AM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
Texas buckeye Offline
Veteran Tracker

Registered: 11/22/11
Posts: 2968
Loc: Keller
Oh man, that sounds stinky. Love the part about the guy shooting your target, that'll mess you up something fierce.

It isn't an easy task (although should not be as hard as you made it, read the manual next time!!) but once you get it sighted and trust it, boy is it fun!!

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#6419353 - 08/22/16 08:47 AM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
ChadTRG42 Offline
THF Trophy Hunter

Registered: 09/16/09
Posts: 9433
Loc: Lewisville, TX
I've used several items for sighting in or confirming my zero for my thermal. I like to use the handwarmers taped to the target, but I ran out of them. I have used water heated up in a microwave and poured into a cup or old beer can taped to the target. This has worked twice for me. Once in the middle of no where, I had minimal gear, but had plenty of rocks and access to a propane torch. I heated up a small rock with the torch, and it worked well also, to see in the thermal.

Sighting in a thermal is a little more tricky than a common rifle. Understanding your scope settings, will no doubt help. But the first thing I do is pull the bolt on the AR and bore sight the thermal scope to what I see through the bore (your adjustments are backwards). This will get you close. I start at 25 or 50 yards, so it makes it easier. Once on there, I'll move back and fine tune my bore sight to 100 yards. I do all this before I even take a shot.
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#6419356 - 08/22/16 08:48 AM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
dfwroadkill Offline
Veteran Tracker

Registered: 09/15/09
Posts: 3260
Loc: D/FW, TX
If you have a lot of items around your target area that light up your scope, nothing is going to improve the situation. Rip all of it off and the handwarmer should be fine. I've never had an issue.

Did you figure out how to save your setting? It is actually pretty simple on the Thor.

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#6419510 - 08/22/16 10:29 AM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
Pig_Popper Online   content
Tracker

Registered: 08/16/15
Posts: 581
Loc: Fort Worth
Those Thors are a PITA to zero.

I had borrowed one and had 30 minutes of daylight left to get it zeroed (not that daylight is needed but it helps when you can see controls and mounts, etc).

That zeroing system was way funky - I thought I was dialing in coordinates and then when I'd return to the zero screen it was 0/0 or something to that effect so I figured it hadn't taken and long story short, 30 rounds later I had no idea where the bullets were printing OR how to get back to true zero.

This was with no manual - I learned that day you can't assume that scopes would be easy to use...
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#6419647 - 08/22/16 11:45 AM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
MDMORROW Offline
Veteran Tracker

Registered: 01/10/11
Posts: 2556
Loc: McKinney & Pottsboro, TX
Charlie, I like to use tin foil squares taped to a regular target. Zeroing thermals is a pain until you get used to it. They're also usually backwards to what you think the adjustment should be. The hand warmers are ok but they're a pain to fool with. Also if you can go in the morning when its cool it'll help.
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#6419650 - 08/22/16 11:47 AM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
MDMORROW Offline
Veteran Tracker

Registered: 01/10/11
Posts: 2556
Loc: McKinney & Pottsboro, TX
Tin foil reflects the heat so they show up surprising good on thermal. I figured this out after a stalked a mylar ballon through one of my pastures thinking it was a small pig.
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#6419673 - 08/22/16 12:08 PM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
ChadTRG42 Offline
THF Trophy Hunter

Registered: 09/16/09
Posts: 9433
Loc: Lewisville, TX
I tried the foil trick, and it didn't work for me. There was not enough temp difference to show up at 100 yards.
_________________________

www.DallasReloads.com
Type 01 and Type 06 FFL

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#6419686 - 08/22/16 12:16 PM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
MDMORROW Offline
Veteran Tracker

Registered: 01/10/11
Posts: 2556
Loc: McKinney & Pottsboro, TX
I meant to say I buy the heavy duty thick kind. Seems to work very good for me but your experience may differ. Trying to zero in the heat of the day is tough though no matter what.
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#6419753 - 08/22/16 12:52 PM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
dfwroadkill Offline
Veteran Tracker

Registered: 09/15/09
Posts: 3260
Loc: D/FW, TX
Tin foil, thick or thin, works OK. Still, never had an issue with handwarmers. I use white 11 x 14 sheets of paper as a target area, then staple the handwarmer to that. Works great and you have a clean, white surround to see where your shots are landing.

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#6419918 - 08/22/16 02:00 PM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
bornforit Offline
Bird Dog

Registered: 12/11/06
Posts: 270
Loc: Longview, Tx
I used an empty can filled will water out of my cooler the only time I sighted in. Had it sitting on a rock in front of a box. froze the target and moved the crosshairs. that was on a pulsar though.

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#6419928 - 08/22/16 02:04 PM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
Double Naught Spy Online   content
Extreme Tracker

Registered: 05/18/11
Posts: 4182
Loc: Forestburg, Montague Cnty, TX
I think a lot had to do with what the target material is mounted on. I have had trouble with handwarmers on a hot target stand in sunlight. Foil ended up working well in that regard. I have also had had trouble getting foil to show up well. I found it needed to be angled and act as a solar reflector on one given day.

Even with my steel targets, two may show up very well and three others may not, depending on how they are turned relative to the shooter.

I would echo that it helps a LOT to have a good white background around your thermal target to see where the shots impact. Mounting a handwarmer with masking tape also helps show shots close to the target.
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Kill a Hog and Save the Planet
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#6419966 - 08/22/16 02:28 PM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
MDMORROW Offline
Veteran Tracker

Registered: 01/10/11
Posts: 2556
Loc: McKinney & Pottsboro, TX
Yes white background is clutch
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#6420266 - 08/22/16 06:20 PM Re: Sighting in my Thor Thermal [Re: CharlieCTx]
PappyG1 Offline
Light Foot

Registered: 05/05/16
Posts: 36
Loc: North Texas
Probably have better luck doing it at an indoor range this time of year. Foot warmer taped to a large shoot and see target may help.

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