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Poppers on gravel cure for this problem

#1 User is offline   shopgun 

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Posted 20 January 2005 - 07:19 PM

Our club is planning to start holding uspsa matches this spring. We have a lot of stone/gravel fill in our bays. Making poppers stay put for proper calibration is a real problem. If you can get a stake into the rocks, a few activations pulls them loose and calibration is gone. :( Anybody have a fix for this. Thanks , Jim Shema

#2 User is offline   dajarrel 

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Posted 20 January 2005 - 08:17 PM

One possiblity is to mount them all on a scrap sheet of plywood. Make the piece large enough to be stable.

Just a thought.

FWIW

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#3 User is offline   kimel 

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Posted 20 January 2005 - 08:38 PM

I feel your pain. What we tend to end up doing is setting them on the light side. We also don't have many minor PF shooters so this isn't a big deal.

The plywood solution might work but you are still going to have to stake that down or it will migrate all over creation every time the popper goes down.
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#4 User is offline   300lbGorilla 

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Posted 20 January 2005 - 08:48 PM

Carpet scraps might be easier. Then just mark on the gravel where the carpet is and on the carpet where the popper is.
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#5 User is offline   George 

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Posted 20 January 2005 - 08:59 PM

Our bays (Richmond, CA) are nothing but crushed rock on hard dirt pack. There is usually anywhere from 1-3 inches of gravel over the dirt in most areas. We have to use four 10" spikes and a sledge to set them in place so that we get some bite in the dirt under the crushed rock layer. We also use an old tire under where they fall to help keep slamming wear and squirming in place to a minimum. Works for us.

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#6 User is offline   Skywalker 

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Posted 21 January 2005 - 02:02 AM

Same problem here on some ranges.

We have solvet it this way: the poppers are bolted on thick (approx 3") wooden boards of approx 4'x2', and then they're "buried" into the gravel with the top of the board flush with ground.

There is no chance they're going to move.

OTHO, this requires a lot of digging and preparation of the ground.
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#7 User is online   lynn jones 

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Posted 21 January 2005 - 06:41 AM

convert your pp's to forward falling.

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#8 User is offline   Dead Buff 

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Posted 21 January 2005 - 06:52 AM

We mark the ground and dump a tyre on the frame for the same reasons as above...they stay put well enough....
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#9 User is offline   Patrick Sweeney 

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Posted 21 January 2005 - 08:03 AM

We built popper bases out of 4"x4" timbers, as wide as the frame and nearly four feet long. It takes two guys to move one, but once you get them on level gound, they don't move around.
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#10 User is offline   shred 

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Posted 21 January 2005 - 08:13 AM

Lynn said my idea-- a good latching-design forward-falling popper will solve a lot of your problems.
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