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New airsoft gun: how might I try to fix it

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Unread postAuthor: jrrdw » Sat May 19, 2007 7:36 pm

hi wrote:
jrrdw wrote:ESC's (electronic speed control) are different then step transformers. What the ESC does is act as a throttle, gives the motor a smooth transition from stop to full power in stead of all at once.


nope, it also steps up the amps.

if it is a 25amp ESC, the it draws a maximum of 25 amps from the battery, even if its a 1000 mAh batery. if it did work off of the 1000 mAh that it was rated at, then it wuld last for exactly 1 hour, but since the esc steps up the amps, it only runs for a few minutes if you just run the motor.

think of what its rated at as kinda like and engine idoling, but when you run it through an ESC, then its like steping on the gas in a car.


ECS's don't have the size to carry the nessicary hardware to be a transformer as well as control the speed of a eletric motor.
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Unread postAuthor: hi » Sat May 19, 2007 7:40 pm

how do you think electric cars work?
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Unread postAuthor: Mac/pistol man » Sat May 19, 2007 7:47 pm

Does anyone here play real airsoft? Not just make their guns... Because honestly, the motor is the easiest thing to replace... Does the gun make any sound when charged, and shooting? If not, either motor, battery, wiring, or fuse. If it makes a scraping/ whining noise, it could be something like the gears, or spring. Just help me diagnos the problem...
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Unread postAuthor: Insomniac » Sat May 19, 2007 7:55 pm

@Hi
I'm pretty sure the esc just gives you very fine throttle control. There is no need to have a transformer running the motor.
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Unread postAuthor: hi » Sat May 19, 2007 8:10 pm

i never said that you needed a transformer.... what are you taking about? we are getting off topic. are you taking about an electric car? if so then the "trasformer" is just a giant esc.
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Unread postAuthor: origin unknown » Sat May 19, 2007 8:33 pm

A-98 wrote:if its a bad motor...buy a new, working gun. motors are expensive, and hard to replace. if its a battery....i would buy a new battery, cause they are a tad expensive, but it will save you money in the long run. check the wiring also.


They have the long type motor I need from airsoft atlanta for $20, but they are sold out currently. When I charged the battery for 3 hours, and it still didn't become warm. I dont think its the gearbox that is messed up, for all the gears metal. My friend said it was the motor, but I wasn't quite sure.
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Unread postAuthor: hi » Sat May 19, 2007 8:40 pm

it really easy to check that. just cip on a volt meter and pull the trigger and see what the meter reads. if the meter doesnt read anything, then it is the ESC and needs a new one. if it does read anthing that seems resonable but the motor doesnt turn, then you have a bad motor. its really easy to check. and will take 30 seconds.
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Unread postAuthor: Insomniac » Sat May 19, 2007 8:53 pm

You said that the esc steps up the voltage and amps, and that is what a transformer does. And yes, we are getting very off topic.
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Unread postAuthor: hi » Sat May 19, 2007 9:00 pm

well then on a car it called something else, it like te difference between a one type of bottled water and a nother type of bottled water, they are the same thing.

anyway, ya just check it with a volt meter
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Unread postAuthor: origin unknown » Sat May 19, 2007 9:32 pm

hi wrote:it really easy to check that. just cip on a volt meter and pull the trigger and see what the meter reads. if the meter doesnt read anything, then it is the ESC and needs a new one. if it does read anthing that seems resonable but the motor doesnt turn, then you have a bad motor. its really easy to check. and will take 30 seconds.


My uncle has a volt meter, I will have to talk to him to use it.
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Unread postAuthor: origin unknown » Sat May 19, 2007 9:35 pm

Mac/pistol man wrote:Does anyone here play real airsoft? Not just make their guns... Because honestly, the motor is the easiest thing to replace... Does the gun make any sound when charged, and shooting? If not, either motor, battery, wiring, or fuse. If it makes a scraping/ whining noise, it could be something like the gears, or spring. Just help me diagnos the problem...


It doesn't make any noise at all when the battery is charged and in the gun.
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Unread postAuthor: origin unknown » Sun May 20, 2007 12:34 am

hi wrote:no, i can almost garentee you that the motor is fine, and if its not then dont wast money on an "ultra high power motor", becaus the exact same motor can be purchesed at a RC airplane store for under $15.

my guess is that the speed controler is burn out, the thing that conroles the electricity from the battery to the motor. just srait electricity from the battery can NOT run the motor, the controler steps up the amps and gives it more power, so thats is probably burn out and can replaced for almost nothing.

hope i helped.

also, check al the switches, bateries, and anything else with a volt meter


What does the speed controller thing look like? I think I know what you are talking about but I am not quite sure.
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Unread postAuthor: Acdcmonkey1991 » Thu Jun 14, 2007 2:04 pm

I own an aeg, and it sounds to me like you have a bad battery...
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Unread postAuthor: origin unknown » Thu Jun 14, 2007 2:55 pm

I had a slow @$$ charger I think. I didn't charge the battery long enough.
I got my battery tested and it's output was fine. I oiled up the gun and it worked great. I might just put in a PDI 120% spring to keep the firing rate smooth. All I am after is reaction time and firing rate.
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Unread postAuthor: Acdcmonkey1991 » Thu Jun 14, 2007 3:07 pm

That kid must have been stupid to sell you working gun of that quality for $25...
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