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E-motor mount for Nitro Revo
So am I missing the thread that talks about the new electric mount for the nitro Revo?
Mainly I want to know what diameter and length can be used? |
Looks like the back support is made for the standard 36mm motor. As far as length... It doesnt look there would be a limit short of it sticking out the back of your revo.
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I ordered one yesterday so I'll let you know. My current mount is set up so the end of the can easily clears the arms. Then, it's just a matter of rotating the motor to get the wires in the ideal place (if your wires come out the back of the motor of course).
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quick question, how do you guys lock your revo trannies in second? or do you keep 2 speed? how does the two speed perform, the shifting is centrifugal right?
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The shifting IS centrifugal. There is a clutch inside second gear that has a spring loaded arm. When the spinning forces override the spring, a little arm comes out and engages second gear. Since first gear is on a OWB and the shaft is spinning faster than the first gear, it free floats.
There is a member here, b0gh0s, that has a little locking hub part that will lock second gear, but I don't think he visits very often. I used this method instead and has been working rather well: http://www.rc-monster.com/forum/atta...2&d=1160192341 I file little half-moons into the metal part and then screw some 4mm cap screws into the plastic gear. Actually, you can see the little arm and catch pin in the pic even though they aren't used. |
so all you do is file the half moons and put some screws in it? which gears do you remove?
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First gear. That's it. And you really don't have to remove it, but it doesn't need to be there...
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Brian; that locking device is made by a guy who made an entire conversion.
this included the locking thingy |
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Unless I'm totally mistaken, the new Nitro mount is something that GriffinRU was working on. After some issues with his local machinist (IIRC) he began working with Mike to make his version a little better. I like this mount because it bolts to the stock motor mount, which really helps stiffen the chassis. |
I joined this site looking for info on BL emaxx's and now you guys got me looking into a Brushless convertion on my Revo :031: lol Anyhow, I ordered a convertion from Mike but I'm not sure on a few things. My first question is wether or not my Novak Emaxx BL system will work with mike's bracket and my Revo? The next thing is how do you strap the batteries down?
Thanks Ray |
The HV will work with mike's mount.
As for the batteries, its all your choice, it would be easier to use lipo as they are easy to get in single pack formation, custom work is needed! |
Surf the forum here and check out all of the e-revos. There are a ton of them here to give you ideas. Everything from simple but efective to very elaborate setups for them. I'm sure you can find some examples to get some ideas from.
Edit: Check out this thread for a very simple but effective battery mount solution. Just a flat plate with a strap or 2 to hold the batery. http://www.rc-monster.com/forum/showthread.php?t=6105 |
Just keep in mind I had to bend the tabs flat...I am probably gonna get a plate of CF to make a new one though.
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you may want to run two packs with the hvmaxx though, if you go to i 14.8v pack and rewire you will have a reduced voltage for your servos, just a heads up
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I'm Waaaayyyy out of the loop my self when it comes to anything other than 7.2v or 8.4v single packs. So I was thinking of simply running some 4200-4800 7.2v single packs. I'm seriously thinking of also buying a Kershaw Revo chassis...just to make my life easier.That way I don't have to modify the stock chassis is case I ever deside to go Nitro again.
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no dont do that , just use mikes mount and use a y adapter for brakes, i bet i could run mine nitro (if i had a motor) in like 2 hours of work,
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aside from the batterys and such on the passenger side, the truck is stock more or less if you use mikes mount
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btw i was saying to use two 7 v packs , instead of wiring the hvmaxx for one 14 v pack such as 4s lipo, you will lose some bec voltage
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Well I was trying to be lazy thing about Kershaw's chassis until I did a search. So now I'm just going to use my stock chassis and makes some battery brackets...I already ordered Mike's bracket before I saw the Kershaw chassis :027:
Well so fair I got her stripped down and she was dirty. So while I wait on Mike's bracket I'm going to try and figure out my Servos and gear box. My truck still has the dual steering servos, so I guess now is a good time to convert to a single. I'm not sure how to do the brake yet...I thought the ESC had it's own brake? Thenj on the gear box, I was thinking of doing a single speed? http://i12.photobucket.com/albums/a2...y/DSC00520.jpg http://i12.photobucket.com/albums/a2...y/DSC00521.jpg |
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that would work good, brians mod for the i speed looks to be effective and would serve your purpose well , have fun and keep us posted
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While you're in the tranny, you might want to decide if you want to gear down or up depending on the motor you use. If you use the HVMaxx, you might want to get the narrow-ratio gear set. If you use an XL motor, you can use the standard or wide ratio gear sets. Picking the right gear set will give you the most flexibility in choosing the spur/pinion tooth counts. BTW: In all three gear sets, second gear is the only one that changes. Check out the speed calculator link in my sig and you'll see what I mean. |
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Well this electric stuff is additive lol While I'm figuring out my Revo I'm converting my Tmaxx into an Emaxx :027: I'll use the HV maxx on it and find something better for the Revo. That way I want have to rush and have plenty of time to research stuff like 8000mah batteries I keep hearing about. |
Sounds like a good plan; have something to run and then take your time to do the job right. And yes, BL IS addictive!
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It's nice to see the final product! It's not too different from the original concept except for the mounting block and the rear support.
There are a couple of reasons for locking the tranny. Reverse for one. Yeah, you could retain the stock reversing mechanism, but it's quite weak. I suppose this isn't a big deal if exclusively racing. Then, the catch pin that the clutch arm engages when shifting into second seems a tad weak. The tranny is lighter once you remove non-essential parts. You also get to remove the weight and complexity of the brake servo and associated hardware. Lastly, most of these motors have more than enough torque to drive second gear directly - much like the emaxx. But, there is nothing wrong with keeping the 2 speed otherwise... |
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Now does having a forward only Revo trans effect anything? I really don't think it would locking it up but want to double check since mine has the FWC. I don't care for reverse on Nitros but want it on my electrics.
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If your retaining the 2 speed, theres no way to use the FOC you currently have and have reverse. If your locking it, then it won't be a problem.
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And, as BringG mentioned, with more power it is easy to turn your truck around :) |
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