Redcat Rampage MT Brushless Conversion. - Page 4 - RC-Monster Forums

aqwut · 09.18.2009, 01:52 PM

damn, this rampage is the same size as my lawnmower, I should give it a shot... I still have one final cut on my grass...

aqwut · 09.18.2009, 06:40 PM

Well I have a video of the truck running for the first Trial.. Area is way too small and my spektrum's range just sucks.. period.. Truck could've been a tad quicker, but I don't want to fry the $100 ESC..

[YOUTUBE]F4oi4gM_ZEA[/YOUTUBE]

This was the problem at the end... Thank God it wasn't anything else...

What's_nitro? · 09.18.2009, 06:45 PM

It sounds so cool.... Did you really think the plastic gears would last??

_paralyzed_ · 09.18.2009, 07:46 PM

Hell's yeah! That is awesome. Can't wait for more

redshift · 09.18.2009, 09:34 PM

WoW.

Schweeeeeeeet

I am wondering if metal gears will hold up on that!

Better do something with the radio.. range issues could be fatal w that thing...

At the least you could take out a decent sized evergreen

Sounds beastly!

09.18.2009, 09:40 PM

your gonna have a problem if those gears stripped out with that little bit of power, wait till ya start to romp on it!

aqwut · 09.18.2009, 10:41 PM

Quote:

Originally Posted by What's_nitro?

It sounds so cool.... Did you really think the plastic gears would last??

I had my fingers crossed.. I have to weigh that thing, it's atleast 35Lbs...

Quote:

Originally Posted by _paralyzed_

Hell's yeah! That is awesome. Can't wait for more

Me too, just finished the battery mounts... now I just have to make a mount for the ESC and I'm all set..

Quote:

Originally Posted by redshift

WoW.

Schweeeeeeeet

I am wondering if metal gears will hold up on that!

Better do something with the radio.. range issues could be fatal w that thing...

At the least you could take out a decent sized evergreen

Sounds beastly!

I'm suppose to send the module back to spektrum to change the antenna wire. But I have races for the next few weeks and unable to send it yet...

Quote:

Originally Posted by big greg

your gonna have a problem if those gears stripped out with that little bit of power, wait till ya start to romp on it!

Lookin' at the Metal gears right now....I might keep one of the gears plastic.... but I have lots of gears(came with the truck), I want to see which one keep dying... I'm sure, it'll be that same one all the time...

redshift · 09.18.2009, 11:02 PM

Just a few thoughts I had aqwut, the intermediate gearset (idlers) seem like a potential trouble spot. They're only supported on the inboard side, any bearing slop will translate into severe wear on the gears. I realize this was sort of a bang-together and I LOVE it, just thinking longevity. If you notched the tray a little more it the bevel drive could accomodate a single large spur, and the pinion could be moved inboard on the motor.

Also I was wondering if there are any belt drive options that would work here? Just for motor-to-bevel drive. You mentioned you want to keep it stock looking-ish lol. I just hope you aren't limiting yourself as far as reliability?

aqwut · 09.18.2009, 11:06 PM

Quote:

Originally Posted by redshift

Just a few thoughts I had aqwut, the intermediate gearset (idlers) seem like a potential trouble spot. They're only supported on the inboard side, any bearing slop will translate into severe wear on the gears. I realize this was sort of a bang-together and I LOVE it, just thinking longevity. If you notched the tray a little more it the bevel drive could accomodate a single large spur, and the pinion could be moved inboard on the motor.

Also I was wondering if there are any belt drive options that would work here? Just for motor-to-bevel drive. You mentioned you want to keep it stock looking-ish lol. I just hope you aren't limiting yourself as far as reliability?

Hey, thanks for the input... I wondered why only that gear was worn... The guy I bought it from used a 24T gear.. it's suppose to be a 25T... I just read it on website a few minutes ago... I will give it a few more shots with the plastic gears, but I will be getting the alloy motor and center differential mount...

09.19.2009, 01:13 AM

so the gear that stripped was supposed to be a 25t? if the mesh wasnt tight that would make sense why it stripped so easily

Ryu James · 09.19.2009, 02:11 AM

love the video aqwut! ramtech or largescale both have steel gears for the ramp. as i am sure you know. as well as the alu. gear plate and diff mount. i was surprised at how agile it seems. just looking at these 1/5s you think they would be real sluggish and clumsy but it seems the opposite. i cant wait to drive mine.

aqwut · 09.19.2009, 11:16 AM

Quote:

Originally Posted by big greg

so the gear that stripped was supposed to be a 25t? if the mesh wasnt tight that would make sense why it stripped so easily

Yeah, it was suppose to be 25T meshing with a 25T (50T total) for the transfer gear and 60T total for the spur/pinion gear..

Quote:

Originally Posted by Ryu James

love the video aqwut! ramtech or largescale both have steel gears for the ramp. as i am sure you know. as well as the alu. gear plate and diff mount. i was surprised at how agile it seems. just looking at these 1/5s you think they would be real sluggish and clumsy but it seems the opposite. i cant wait to drive mine.

I'm liking this rampage a lot... the more I work on it, the more I start to like it.. Parts aren't too expensive Either..

I'm not too big a fan of metal on metal gearing... but for this beastly machine, I would probably get metal gearing for the transfer gear and for the Spur gear(once I find the right gearing).

I currently have 25T with 35T on there right now.. I will try 29T & 31T today.. see how much I could push the 100A ESC... ESC was barely warm with the 25/35T Gearing...

aqwut · 09:48 PM

This is how I will be mounting the batteries.. battery mound and tray...

I used up all the stock holes... Did not modify the chassis in any way...

I updated the battery tray...

aqwut · 09:49 PM

Here's the rest of the pictures of the finished truck..

Here's a Video, it's a little DARK.. will get a day video tomorrow...
5 minutes of runtime in the front yard, and 7 minutes of runtime in the backyard..
Lipo took about 2150mAh charge... so I should get about 20 minutes with this gearing... 27/33.. and 12S1P 5000mAh...

[youtube]ouIQYzBzdqw[/youtube]

After the run the motor was 34 Deg Celcius and the ESC was 39 Deg Celcius...

Metallover · 09.19.2009, 10:04 PM

Setup looks spot on! With most of the 5th scales I've seen, it was like putting a fiegao S motor and a MM in a savage. This looks more like putting a MMM in a savage! What it should be. Temps look really good too. Looking forward to more videos if they get made!