TargetTalk

I have recently purchased a Steyr LP50e.

I have been using the 5 shot mags to shoot practice air pistol matches (yes I know I can't use the mags in competition matches - they just save me time).

Occasionally I will shoot one or two double taps in a match. The double taps can be in any pellet sequence ie the first 2, the last 2 or any combination in between.

I have a slow but steady squeeze and good follow through.

My query:

Is there an adjustment I can make or is it a case of sending it back for a warranty job?

I have sold two now that have done this I would send it back, also you can get trigger bounce with the styer trigger I often get double tap with my lp10e.

peter

I've never had that, not in my LP1, LP10 or 2 different LP5. I' d definitely go for a overhaul.

Tycho wrote:I've never had that, not in my LP1, LP10 or 2 different LP5. I' d definitely go for a overhaul.

None of those have electronic triggers. LP50e does.

This sounds like the same effect that I get with the Morini 162E.

Because there is no rapid trigger movement when the shot breaks on an electronic trigger your finger will always be close to the "let-off" point. It is quite common to get a second click (or bounce).

This is not a problem on a single shot like a 162E or an LP10e, but it could be a problem on a multi-shot pistol unless they find a way to counter it.

Daystate electronic air rifles with electronic trigger have a 1/2 second delay after firing the trigger before a 2nd shot of the trigger can be actuated. This prevents double firing due to either bounce in the trigger micro switch or finger bounce.

David Levene wrote:Because there is no rapid trigger movement when the shot breaks on an electronic trigger your finger will always be close to the "let-off" point. It is quite common to get a second click (or bounce).

This is not a problem on a single shot like a 162E or an LP10e, but it could be a problem on a multi-shot pistol unless they find a way to counter it.

This is exactly why I gave up on my Pardini SP1. I used to get doubles and it was most common in 150 second standard pistol series. It was due to the recoil inducing bounce on the microswitch.

Send it back. I asked for a LP50e short from local dealer. He did´t have any. He had just send all LP50es back to the factory, because the pistol double fires or skips a shot all the time.

TS

Oops, didn't see the "e"... Yeah, this could explain why I haven't received my LP50e by now, the factory is stalling...

I'm really surprised at this problem. I'm a circuit designer, and the problem is equivalent to "contact bounce". "De-bouncing" circuits have been around since at least the late 1960's to interface mechanical switches to digital electronics. It hasn't been a big issue in free pistols 'cause you only get one bang, although repeated firing of the solenoid will run the battery down.

I suspect they have a debouncing circuit, but they may have a manufacturing problem getting the timing right. The other possibility is component tolerances. The typical circuit uses a capacitor for the delay, and the tolerances on cheap capacitors tends to be VERY loose. I have a dim recollection of seeing at least one variable resistor on my Morini free pistol circuit, which could be used to adjust the timing.

I did a search online for pictures, and found photos of the Morini 162EI board:

http://www.morini.ch/cm162.htm

This is a newer design than in my FP, and there are no signs of any adjustable resistors. HOWEVER, there is a row of jumpers on the bottom that could be used to set the timing in fixed steps. I couldn't find any pictures of the Steyr trigger circuitry to see if there is any obvious means of timing adjustment.

Thanks for the feedback.

Pete

ps it would appear from the comments the double tap might be a "built in" feature Steyr and its customers would be happy to do without. A real pity as in all other respects it's the best performing air pistol I have had in 20 years of shooting (FWB C20, Steyr LP10 (mechanical) and Morini 162ei).

It may take time but I will report back on what happens as the gun works its way back through the system.

David Levene wrote:This sounds like the same effect that I get with the Morini 162E.

Because there is no rapid trigger movement when the shot breaks on an electronic trigger your finger will always be close to the "let-off" point. It is quite common to get a second click (or bounce).

This is not a problem on a single shot like a 162E or an LP10e, but it could be a problem on a multi-shot pistol unless they find a way to counter it.

I find the existence of the second click from a 162E is a sign that my trigger follow through is not up to par, i.e. releasing the trigger too soon, ignoring this sign can lead to a case of chicken finger.

Talked to a guy yesterday who already has his 50e, and apparently the trigger can or even has to be adjusted during a "break-in" phase. According to him, the pistol has worked flawlessly after the first 100 shots or so, with some tweaking.

Koku wrote:I find the existence of the second click from a 162E is a sign that my trigger follow through is not up to par, i.e. releasing the trigger too soon, ignoring this sign can lead to a case of chicken finger.

It hasn't done in the first 9 years but it's early days.