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yahnnieFB
05-06-2009, 05:38 PM
hey guys. im having problems getting my pneumag to fire. i havent permanently secured the mpa-3 yet because of this issue. the only way i can get it to fire is if the piston hits very low on the sear and at a downward angle with the lpr cranked ALL the way up. any suggestions? would an rt on/off help resolve this? thanks :)

jrod
05-06-2009, 07:53 PM
Pictures? What kind of valve, on/off, and frame?

yahnnieFB
05-06-2009, 09:13 PM
classic valve with stock/classic on/off. pneus on intelliframe
<a href="http://s137.photobucket.com/albums/q204/JohnnieBABI/?action=view&current=DSC00228.jpg" target="_blank"><img src="http://i137.photobucket.com/albums/q204/JohnnieBABI/DSC00228.jpg" border="0" alt="Photobucket"></a>

secretweaponevan
05-06-2009, 10:07 PM
classic valve with stock/classic on/off. pneus on intelliframe
<a href="http://s137.photobucket.com/albums/q204/JohnnieBABI/?action=view&current=DSC00228.jpg" target="_blank"><img src="http://i137.photobucket.com/albums/q204/JohnnieBABI/DSC00228.jpg" border="0" alt="Photobucket"></a>

You'll want an RT On/off or maybe even a ULT. I'd go with the RT On/off first.

jrod
05-06-2009, 10:31 PM
Yep, I second the suggestion for the RT on/off. It takes too much force for the ram to activate the classic on/off.

yahnnieFB
05-06-2009, 10:43 PM
thanks guys :)

yahnnieFB
05-06-2009, 10:46 PM
will i be able to just drop in an rt on/off , or is there more to it than that .

frans42000
05-07-2009, 12:51 AM
will i be able to just drop in an rt on/off , or is there more to it than that .


I'm pretty sure that it's just a drop in.

RT on off (http://store.airgundesignsusa.com/index.cfm?fuseaction=catalog.prodInfo&productID=399&categoryID=23)

jrod
05-07-2009, 09:33 AM
Yes, just drop it in. I have one in my classic automag valve.

Mechanic79
05-07-2009, 09:38 AM
An emag on/off works too.

BigEvil
05-07-2009, 03:16 PM
You want that ram to hit the sear as low as possible. I prefer straight on. Make sure that there is some space between the ram and sear when its gassed up. If the ram is too close it wont work as well.

:cheers:

gunangel
05-07-2009, 03:51 PM
iirc the actuating force on the classic on off is 7 pounds? the ult brings it down in the ounces. just as a point of reference, with my ult my lpr is turned in 1/2-1 turn. with an rt on/off it is turned in 2-3 turns.

i'm surprised you didn't blow any hoses cranking up the lpr that much, good luck on your build!

Mechanic79
05-07-2009, 03:55 PM
Don't forget to do "the electrician" mod to the on/off to lower the pressure of the pin even more! Goodle "I'll be your huckle berry shingo " and you'll see the mod.

yahnnieFB
05-10-2009, 08:10 PM
thanks for all the info guys :cheers: