Recoil Issues

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== The Sinden Lightgun Wiki Has Moved ==

## Is my recoil Faulty?

The first thing to determine is if your recoil has a issue or if its performing as it should.

Firstly you must remember that the recoil is powered from the USB of your computer/pi and not a dedicated power supply like the guns in the arcade would of been.

The recoil circuit contains a large capacitor that stores up a high voltage charge to operate the recoil at the set strength (Which by default is max), and It relies on the USB to charge it.

So as you fire the charge in the capacitor is depleted, If you are playing a slow shooting game you can have the recoil set to max strength and you will notice no issue.

If however you are rapidly firing shot after shot the capacitor can not charge up fast enough and so the power will slowly die off.
This is perfectly normal and expected behaviour and your recoil is working correctly.

## Ok so my recoil is working correctly how do I stop the power decreasing so quickly?

As mentioned earlier the recoil dies off due to the capacitor not being able to charge quickly enough. So to maintain a consistent kick you have to consider a few factors:

The strength of the recoil: The higher this setting is the quicker it will deplete the capacitor.

The firing rate: The faster you fire the more charge will be depleted.

The pulse speed: This is the delay between the solenoid being fired, the longer the delay the more time the capacitor will have to charge between shots.

The strength and pulse settings can be adjusted in the Sinden software and you can play with these settings to determine what works for you.

Please note however that in the current software releases their is a small bug that stops you being able to change the above settings while set to the "normal trigger recoil".
In order to adjust them set the recoil to "Automatic" you can then adjust them to suit.

Its a known issue and will be fixed in the next release hopefully.

## My recoil is definitely faulty it totally does off after just 2 or 3 shots!

So if your gun is doing this it has a problem:

Firstly don't panic if this is the case with your gun, 9/10 it is a easy fix that you can do yourself at home with basic DIY knowledge.
If you are not comfortable carrying out the following procedure contact customer services for advice.

So firstly what's causing the issue?
Well for 99% of people this issue is caused by a disformed spring that had been fitted in the factory when it was manufactured and its just a case of bending it back to the right shape!

To do this you must first open up the gun using a Phillips No1 Screwdriver, Firstly remove the 2 screws from the Pump Handle then all the ones around the gun shell.

If you would like to see how take a look at this video on Mod'ing by Titchgamer:

Once opened up you need to locate the recoil spring and compare it to the image bellow, If it looks disformed like the one on the left follow the instructions at the bottom of the picture to compress the spring down and then refit it.

Good Spring Vs Bad Spring

If for any reason the above fix did not work for you please contact Customer Services for further advice.