ECX Barrage Double Motor Tranny I had a double whammy tranny laying around and decided to put it in the little Barrage. I like full control when crawling and this is always the easiest route. https://imagizer.imageshack.com/v2/8...922/wIPUpa.jpg https://imagizer.imageshack.com/v2/8...924/RnvDNO.jpg https://imagizer.imageshack.com/v2/8...924/ghKXbl.jpg https://imagizer.imageshack.com/v2/8...924/Ycdxkr.jpg |
Re: ECX Barrage Double Motor Tranny What ESC are you using? I can’t see And where did you said you got from this tranny? |
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Re: ECX Barrage Double Motor Tranny Dont google double whammy tranny and expect to get anything besides porn. Ive been looking for 10minutes and havent found anything that small yet lol. |
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Not sure if this is the exact same as he’s using but I’ve got this one and it’s good. |
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There have been several people using a twin N20 geared motor setup in the RC4WD D90. I have seen 3D printed ones too. This one is aluminum and is really nice. This motor/ESC setup in not cheap but it is the ultimate in technical crawling control. |
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Re: ECX Barrage Double Motor Tranny Is it possible to run this on the stock esc? |
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Re: ECX Barrage Double Motor Tranny Awesome. This looks like the best way to go that I’ve seen yet. Thanks for your time! |
Re: ECX Barrage Double Motor Tranny I ve got a doble tranny in my gelande 1/18 and it’s fantastic. The new transmission that rc4wd just began to sell I think that will fit in the barrage and it’s very cheap http://store.rc4wd.com/R5-118-Mini-T...V2_p_5805.html |
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You can find cheaper dual motor boxes than the one I used. There are 3D printed one's out there and the N20 geared motors are dirt cheap. You could even make your own out of simple plates. It just depends on your modelling skills and desire to tinker. |
Re: ECX Barrage Double Motor Tranny I don’t mind tinkering. I’m a machinist and also do 3d printing. Cost vs. effort and time make the best option to just pay and go on sometimes though. The sumo transmission swap seems ok too but finding what I need hasn’t been easy. Well I haven’t seen anything on ebay or amazon anyway. |
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If youre a machinest and like to tinker, you might want to make a transmission like I did on the "Original" D90 I built long before there was such a thing as RC4WD D90. http://www.rccrawler.com/forum/micro...nder-90-a.html https://imagizer.imageshack.com/v2/8...9/img9559s.jpg https://imagizer.imageshack.com/v2/8...5/img9556s.jpg |
Re: ECX Barrage Double Motor Tranny Well crap. Now I’m going to feel guilty for taking the lazy way out lol! That’s an awesome build man! I might just order some reduction motors on amazon and print the plates/box to hold them. Cheap is important because my 11 also has a barrage. I bought mine so I could be a guinea pig for our trucks. We are newbs to crawling. I appreciate your help. I’ll probably send a pm with some other random questions if that’s ok. |
Re: ECX Barrage Double Motor Tranny Any up date on this? |
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https://imagizer.imageshack.com/v2/8...922/sIx0LI.jpg |
Re: ECX Barrage Double Motor Tranny yes got a link for servo? |
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Savox SH0263MG Micro Digital Servo "thumbsup" |
Re: ECX Barrage Double Motor Tranny What size/RPM motors is everyone using on these dual motor setups? |
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The motors are N20 and have gear heads on them. 300 RPMs nice and controllable at crawl speeds. Dual / Twin Motor Mount Kit -- RC4WD 1/18 G2 D90 Body - Club 5 Racing |
Re: ECX Barrage Double Motor Tranny With this setup, has anyone tried running a 300rpm up front and a slower (maybe 200rpm) in the back for 1/24 overdrive/ underdrive? |
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Re: ECX Barrage Double Motor Tranny Those of you who have done this swap, did you just reuse the motor wire plug or did you buy a new one? I'd rather not cut the plug off the stock motor just in case I want to reuse this motor. If you bought a new plug, where did you get it? I can't seem to find one. Thanks in advance. |
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I always un-solder the wires off a motor for re-use. Never cut. Also you have to connect the two motors together by soldering anyway so soldering the stock motor wires back on is all part of the setup. |
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Or are they connected? Do you mind elaborating Shape Shifter? |
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Let me clarify my above statement - These motors are direct drive, one motor goes to the front axle and the other motor goes to the rear axle. This replaces the stock transmission. What you are suggesting would require two separate transfer-cases, one for each motor. These axles do not freewheel when connected to the motor gearhead via drveshft. So even if you disco one motor to go only 2 wheel drive, you would be draggin the other two locked tires. |
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I have done this on a 1/24 ECX build using a Barrage axle in the front, and a much slower 1/24 Temper axle (worm gear driven) in the rear. It does work, and it climbs obstacles well but the disparity is too great. It’s about a 6:1 ratio. I believe the common acceptable amount is 30%. Here is a picture of that build so you don’t accuse me of not understanding why it wouldn’t work. https://i.ibb.co/JHZpW43/A33-D68-BC-...0-A37-AE55.jpg |
Re: ECX Barrage Double Motor Tranny I still dont understand what Shape Shifter is trying to say regarding this not working. He's said they're both separate, one motor for the front one for the rear. It sounds to me like this would absolutely work. This would be just like an MOA setup in that it has separate motors for each axle. |
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I apologize. Your low post count (at the time of your original question) made me think you were a noob. Ive never considered doing that in a micro so my brain did not even think of it in the context of that awesome green rig you built. So, to respond to your original question, now knowing your modelling skills are above noob level :oops:, I can say that the little N20 gearmotors do come with several different ratios, though you would need to do some searching to see if they are withing your desired differential percentage. Have you looked at the Orlandoo motors? They have two different ratio gearmotors for the 1/35 trucks. They will drop right in to this double tranny and may be close enough together ratio wise. Again, I apologize for sounding like a dik.. |
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By the way, that chain-drive rig you built is one of the coolest builds I’ve seen. I love creativity like that. |
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