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Old 11-15-2004, 11:44 PM #1
geefelisco
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Trigger mods(pics)

I did a bearing set-up for my A-bomb stock trigger. It came from a rc axle bearing I bought in a local hobbyshop. I drilled the trigger with a 5/16 inch drill bit. The bearings cost like $5 each and I used 2 for my trigger.
I also did a reverse polarity magnet upgrade which I bought in radioshack for $1.88.
Its a very good upgrade coz I have very slow trigger fingers. I gained from 10bps to 17 bps easily. Heres a picture of it.



Last edited by geefelisco : 02-22-2005 at 07:32 PM.
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Old 11-15-2004, 11:48 PM #2
paintballer187
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Very nice work. Can you list the part number or some other way of identifiying the bearings?
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Old 11-16-2004, 12:36 AM #3
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start the production ! ;o)
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Old 11-16-2004, 08:10 AM #4
geefelisco
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Okey the bearing is a Team Losi Performance part number A-1508 and the description is rigid steering arm set. The bearings comes in 4 pcs. per set @ $ 29.99 but got it for like $20.00 coz somebody hook me up.
The magnet are rare earth magnets from Radioshack 2 pcs per set @ $ 1.88.
The drilling can be tricky because you have like hair thin left in the trigger as the pics show. But it was a very good upgrade.
If you have questions I'm glad to help out anybody, just drop me a email eugenefelisco@comcast.net or yahoo messenger screen name geefelisco.
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Old 11-16-2004, 09:51 AM #5
precision14
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since u got a set of 4 bearings.... u wanna sell 1 of them?
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Old 11-16-2004, 09:58 AM #6
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what does it do so differently to add that much to your bps if it really does
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Old 11-16-2004, 10:01 AM #7
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www.towerhobbies.com

^^^They sell full sets of Losi parts, If know the size of the bearing you can order them individually(wont be a team losi bearing but they will have equivelent) if you want. Most hobby shops ofter sell them singly as well. If you own a team losi (assuming bearing was from xxx-nt truck) it will tell you the specs of the bearing in the instruction booklet so you can order online and not a set. You can go to Team Losi's site and find there specs because im pretty sure they have there manuels online.

Anyway, you did a great job on your trigger mod. I never thought of using a rc bearing in a timmy...thats sad because I race them all sumer long and have several 1\10th 2wd trucks and several 1\8th 4wd monster trucks lol.

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Old 11-16-2004, 10:03 AM #8
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Quote:
Originally posted by DragonMatrix4
what does it do so differently to add that much to your bps if it really does
The bearing = smoother trigger movement because of less friction so it can move easier and faster.

The Magnet = Faster return on the trigger pull, also adding to bps...if you like magnets that is. A lot of people I know dont like magnets but I personally think they are great.
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Old 11-16-2004, 10:59 AM #9
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Very nice bro. Major props. I have always thought about doing this but I didnt have the time to go to my local hobby shop and pic up some bearings.
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Old 11-16-2004, 02:47 PM #10
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Never got around to doing this, very nice though, always nice to see people modding things up.

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Old 11-16-2004, 03:56 PM #11
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geefelisco, can you measure the inside and outside diameter of that bearing for us?

Apparently, the LOSA1508 bearings are discontinued, and Team Losi customer service doesn't have the specs for them any more.
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Old 11-16-2004, 04:49 PM #12
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The ID should be 3/16" and I'm guessing that the OD is 5/16"
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Old 11-16-2004, 04:51 PM #13
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so you just glue the rare earth magnet to the back of the trigger screw>? did you put another one anywhere?
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Old 11-16-2004, 06:34 PM #14
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Thank you everyone and rest assure I will have mods coming up. So keep ballin.
Demon Imp/Jbautista/Speedballer109- thanks for that compliment
MetroCube- sorry I didn't measure it at all, just tried all of their stock. But maybe Invader zim is right. I know the outside is 5/16 for sure.
Precision14-yes I still have one set(2 pcs) want it?
And I'm trying to hook up again to the hobby shop if they will sell their stock to me.
Ayabaloo-yes I glued the one magnet to the screw and the other one to the grip frame where the spring used to be. And make sure they repel not attract huh. You know what I'm talkin about right. Search for the reverse polarity magnet mod in this site. I will try to get pics of the grip frame and trigger for you.

Oh ya forgot to tell you guys I'm still waiting for my 25 gram microswitch from airsoldier.com Its on its way now. Maybe I can push the bps a little bit further more. I will give evryone an update on this thread, keep in touch everybody.

Last edited by geefelisco : 11-16-2004 at 06:45 PM.
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Old 11-16-2004, 06:43 PM #15
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Nice write up. I looks forward to your other mods.
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Old 11-16-2004, 07:04 PM #16
invader zim
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The trigger pivot screw is 3/16" and as long as you find a bearing with an OD of less than .375 inches, you'll be golden (depending on how much material you want holding the bearing.)

Do you know the width of the bearings you are using? I'm guessing about 4 mm, right?
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Old 11-16-2004, 10:52 PM #17
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Yes I think your right Invader zim. And you know what maybe someone out there can make a screw out of scrap metal using lathe. He might have like 30 kinds of rc bearings in front of him. You get the idea?

Okey to make it simple you take a guy making screw and a guy making trigger out of plastics, plexi glass or carbon fiber(wow). And wolla we have endless supply of bearing triggers. Is this idea possible?

Well lets wait and see. Any info viewers, we need info.
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Old 11-16-2004, 11:22 PM #18
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ill buy a bearing and a magnet set for 10 bucks if you ship it to me
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Old 11-16-2004, 11:27 PM #19
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Well let me think of it WDPsp3305. Precesion14 is also interested to it, leme hear from him first ok. If he falls your up. Is this fair?
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Old 11-16-2004, 11:30 PM #20
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Check with your local hobby shops. Many of them will carry generic bearings that will fit this application prefectly. As invader zim stated above for specs, all you need is to ask them if they have bearings with an I.D. of 3/16ths and O.D. of 5/16ths. I called my local hobby shop and they had them for about 4 bucks each.

You may need a couple of them, as most stock timmy triggers are right at .294 inches in width, and most bearings will be either .125 or .150 inches.

Last edited by CounterMeasure : 11-16-2004 at 11:32 PM.
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Old 11-16-2004, 11:48 PM #21
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Thats very good CounterMeasure, can you give info on this local shop. I need to make another 3 for my team mate. Thanks Dude.
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