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Messages - Twist

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Hello! Have you ever received a rifle off of a trade including unmarked gears? Or would you like to know the ratio of that random gear set you have in the bottom of your parts box? Or would you like to get a general perspective to your ROF difference if you changed your gear ratio?  In this thread I will show you the two very simple formulas to answer these age old questions. Now if you are an experienced tech there is a 99% chance you already know these like the back of your hand so this thread most likely isn't important to you, how ever if you are new to "teching" then this is the thread for you!



Calculating gear ratio: for this formula you will need to count the teeth specified. Sector out/ spur in * spur out/ bevel in * bevel out/ pinion in = Your exact ratio : 1. For a visual example here are the calculations from a standard 18:1 gearset. 32/20 * 39/10 * 30/10 = 18,72 ~ 18:1



Estimating RPS changes due to ratio changes: with this formula you will be able to create a theoretical estaminet on how your RPS will change if you ONLY switch your gears (NOTE: shimming DOES affect this calculation). This one is a bit different to explain so I'm going to use an example using standard 18:1's as the subject. So let's say that you are currently obtaining 20 RPS on your stock 18:1's, you would take your exact ratio 18,72 X 20 = 374,4 / second. Now you decide you want to switch to 16:1's ==>; 374,4 / 16 = 23,40 RPS, so theoretically you are obtaining an increase of 3,40 RPS with your new gears.



I hope that this guide helped some of you new comer tech's!

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Hello! Have you ever received a rifle off of a trade including unmarked gears? Or would you like to know the ratio of that random gear set you have in the bottom of your parts box? Or would you like to get a general perspective to your ROF difference if you changed your gear ratio?  In this thread I will show you the two very simple formulas to answer these age old questions. Now if you are an experienced tech there is a 99% chance you already know these like the back of your hand so this thread most likely isn't important to you, how ever if you are new to "teching" then this is the thread for you!

Calculating gear ratio: for this formula you will need to count the teeth specified. Sector out/ spur in * spur out/ bevel in * bevel out/ pinion in = Your exact ratio : 1. For a visual example here are the calculations from a standard 18:1 gearset. 32/20 * 39/10 * 30/10 = 18,72 ~ 18:1

Estimating RPS changes due to ratio changes: with this formula you will be able to create a theoretical estaminet on how your RPS will change if you ONLY switch your gears (NOTE: shimming DOES affect this calculation). This one is a bit different to explain so I'm going to use an example using standard 18:1's as the subject. So let's say that you are currently obtaining 20 RPS on your stock 18:1's, you would take your exact ratio 18,72 X 20 = 374,4 / second. Now you decide you want to switch to 16:1's ==> 374,4 / 16 = 23,40 RPS, so theoretically you are obtaining an increase of 3,40 RPS with your new gears.

I hope that this guide helped some of you new comer tech's!   

   
 

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Airsoft Items WANTED / Re: WTB/WTTF BTC SPECTRE
« on: September 14, 2015, 09:16:31 PM »
i am out of stock on spectre's at the moment.
if you want i can keep you on the list for my next shipment.


Yeah that would help a lot

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Airsoft Items WANTED / WTB/WTTF BTC SPECTRE
« on: September 08, 2015, 09:03:38 PM »
Hey guys, I really need a btc spectre for my current build and as everyone knows, they almost never come out, I'm willing to pay ~$110 or trade my replica eotech xps (with trades) bundled with L&M tactical 3x flip to side magnifier! Need fast!

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Airsoft Items WANTED / Re: Looking for attachments
« on: August 25, 2015, 12:13:16 PM »
I've got a replica eotech xps with the trades with a L&M tactical flip to side magnifier looking for around $100 OBO  text me at (480) 620-0380

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Hey guys I'm selling my eotech xps replica and L&M tactical 3x spring loaded flip to side magnifier, both work great, eotech will come with two batteries, the eotech has a missing button so to turn off you just need to unscrew the battery casing just like 2 turns and then screw it back, the eotech goes red and green reticle colors, can't figure out how to post pictures when using mobile so if you have a serious offer then text me at 480-620-0380 for pics, again only serious buyers. Thank you
TRADES: I will only and I repeat ONLY trade this bundle for a btc chimera or spectre fet, the fet has to be brand new or close to it, thank you.

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What's the reason for changing the AO?

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+ 2 for the tan team

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AEG's / Re: Irregular pitch springs?
« on: June 11, 2015, 02:18:03 AM »
They are exactly what they sound like, Irregular pitch, this is where sections of the coils choke tighter to create an irregular pitch, this allows for less gearbox wear, more consistent fps and less energy consumption

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Troubleshooting / Re: KWA M226 PTP Problems
« on: March 31, 2015, 12:07:45 PM »
In the back of the slide :)

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Troubleshooting / Re: KWA M226 PTP Problems
« on: March 30, 2015, 06:57:06 PM »
Sorry just read title, I would check the blow back assemblyike the last person said, but I'd also check for rubbing or stress points in the pistol that might have worn parts that are not contacting with the slide as it goes by

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Troubleshooting / Re: KWA M226 PTP Problems
« on: March 30, 2015, 06:38:10 PM »
May you tell me the style of gun it is?

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Airsoft Items FOR SALE / WTS/WTT custom WA GBBR M4
« on: March 02, 2015, 09:38:08 AM »
Hey guys I have my western arms gbb m4 for either trade or sale, it has an aftermarket outer barrel, ncstar rail system, PTS battle comp, RA-TECH trigger assembly, G&P trigger springs, prowin barrel guide/ hop up adjustment, reaps a+ bucking, and trigger mod done to reduce pull, this is an expensive build, invested about $600 in it total. So I'm looking for around $300 will haggle on prices but not very much so please don't come to me with an insulting offer, or trade for mk18, VFC 416, sr25 or dmr m4, I may be a little picky on trades because Customer builds are kind of going slow at the shop Right now so im looking to do 1 of 2 builds depending on your gun your willing to trade, so please don't be offended If I don't agree, text me at 480-620-0380 thanks guys :)

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Hey Nukeduster, I've got just an offer to see if you'd be interested in a trade for that. I've got an western arms gbb m4 with a good amoint of money invested in it, it's got an ra-tech trigger, prowin barrel guide / hop up adjustment, G&P trigger springs, after market outer barrel, ncstar rail, PTS battle comp,  trigger mod to reduce pull, if your interested shoot me a text at 480-620-0380, oh yeah and thanks again for bringing that mosfet to my house haha it really helped, have a nice day

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