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Old 08-18-2008, 12:28 PM #1
John S.
 
 
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Spread the word!!!

To get the most out of your 9 Volt battery on a Pilot or Electra take the coil set pin and grind it down to an overall length of 24mm or .945 inch remember not to grind it too short or you may not have enough pin length to push on the sear.

The increased gap between the sear and coil set pin allows the pin to accelerate with enough force to trip the sear properly even with a power supply that's below 8.5 volts.

I personally had a battery down to 8 volts and was still able to trip the sear before I had to replace the battery.
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Old 08-18-2008, 01:03 PM #2
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This Sounds Smart!
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Old 08-18-2008, 01:22 PM #3
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Wow, I dunno how many people will actually be trying this, but that's pretty awesome. How does one even think of trying these thigns? lol
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Old 08-18-2008, 01:41 PM #4
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i would like a few more people to try this before I do
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Old 08-18-2008, 01:45 PM #5
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Same. I'll just stick to kingman rechargables for now.
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Old 08-18-2008, 02:54 PM #6
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Just how much of an improvement are you seeing? Is it bettering the life of a 9.6V fully charged? Or how many cases?
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Old 08-18-2008, 03:02 PM #7
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How did you even come across this? for Spyder tinkering.
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Old 08-18-2008, 03:11 PM #8
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well in theory it doesn't matter that its a 9.6 volt battery.
the idea is that if it can trip the sear at 8volts then 9volt battery aswell as 9.6volt battery can easily be used for longer periods of time.

What wasn't explained is at what voltage does the the solinoid not have enough juice to trip the sear normally, and modified? Does it work on any other spyder other than 08' pilot/electra?


I agree more test results should be used before i am going to grind away on mine.

What you should do is hook up your board to one of those testing machines that plays with voltage and all that good stuff and then test it from there. Live reading would be so much better than after its used, because what if it stops working at 7.8v and then jumps back up to 8.2 volts by the time you check. What if its the amps are gone by a specific voltage. and thats the bigger concern.

Ohh just though of it, I am going to bust out the V/O meter tonight and get those live readings.

just throwing ideas out there, but it looks promising.
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Old 08-18-2008, 03:17 PM #9
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it would be amazing if it did work...
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Old 08-18-2008, 03:19 PM #10
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he claims it works out alright on his pilot/electra, i am going to guess electra.

but it would be amazing if it worked on all the rest of the spyders. Can you say emergency backup!
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Old 08-18-2008, 03:39 PM #11
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Normally the coil set pin length averages anywhere from 24.75mm to almost 26mm and the longer the pin is the faster you get to the point where the power supply is inadequate.

At 8.5 volts remaining power supply the drop off was significant enough that the sear was not tripping everytime especially when shooting rapidly.

What you'll get is a half tripped sear that requires another hit from the pin to actually trip the sear fully. Meaning two hits from the pin to one trip of the sear to fire.

After grinding down the pin to 24mm I didn't experience these symptom until the power supply was down to 8 volts. This meant you still have a 0.5 volts of usable power from the battery.

BTW I am using an active multimeter that monitors the power consumption per shot and recovery of the power supply. Also, I'm not going off of one example or from personal experience tinkering with my own gear if that's what you think.

I challenge anyone that has had any experience with their Pilot or Electra that had sear tripping problems that was solve only by using a 9.6 volt battery to prove me wrong!!!

If you grind down your pin to 24mm and it still does not work the way I say it should, pm me and I will send you a new pin with my deepest apologies or you can send your gun to me and I will tech it for you free of charge...
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Old 08-18-2008, 03:52 PM #12
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Now that is what I'm talking about.

Do anyone happen to know what makes the 08' different from the rest because this mod would be worth doing. Please don't say it works off a 9v instead of 9.6 rechargeable.
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Old 08-18-2008, 04:28 PM #13
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wow... pure genius!
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Old 08-18-2008, 04:35 PM #14
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I havn't understood a single word said. But I got the main point. I would be too lazy to do it. How did you think of this?
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Old 08-18-2008, 05:00 PM #15
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Ive got a couple of spare pins i could mess around with.
looks like i need to try it
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Old 08-18-2008, 05:16 PM #16
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Playing around with my Electra and seeing that the coil set struggled to trip the sear when the battery power hovers around 8.5 volts with the grip panel open I observed that the pin woud hit the sear but didn't have enough UMPHH!!! The sear would only drop halfway.

Knowing that increasing the gap would give the pin a little more acceleration time and carry more momentum when it makes contact with the sear. VOILA!!! I got it too trip the sear completely even with a battery that's usually too low on power to use.

I did the same with my Pilot and did it for a buddy's Electra with the same results. I've passed this information with the techs at Kingman and they have run their own tests. They acknowledge the fact that it works and benefits 9 volt battery use.

Of course there is a factor that will give you some variables on the power consumption depending on how much compression pressure you put on the striker spring because that will increase the resistance on the sear.

To alleviate some of this resistance use the inline regulator for any major increases of the velocity (20-50 FPS) and use the velocity adjuster for fine tuning (5-10 FPS).
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Old 08-18-2008, 05:50 PM #17
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How did you measure it. ruler, did you mic it?
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Old 08-18-2008, 05:54 PM #18
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Quote:
Originally Posted by ferret15 View Post
How did you measure it. ruler, did you mic it?
Mitutoyo Digital Micrometer
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Old 08-18-2008, 06:20 PM #19
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well damn, I will probably start my search for a friend that has invested in that.
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Old 08-18-2008, 06:53 PM #20
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now, to ferret's other question: i think it wouldnt work on the older spyders w/ 9vs due to the capacitor. but would the increased travel increase the life of a 9.6v on a normal spyder?

and is it safe to assume that this discovery will be implemented in the increased battery life of future spyders?
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Old 08-18-2008, 07:35 PM #21
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I would think so since it improves the reliability with standard batteries and it maybe possible to lower the coil set time to reduce power consumption even more.

I haven't had a chance to try this on my RSX but it also uses the same coil set system and I have the M7 chip on it so I can mess around with the coil set time.

Power consumption should still be the same unless the coil set time is changed but the range of usable power from the battery is wider since it can dip down to 8 volts. So more shots per battery...
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