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New Caster Fusion EX-1.5R

New Caster Fusion EX-1.5R

Old 03-07-2010, 12:36 AM
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Default New Caster Fusion EX-1.5R

I got my new Caster Fusion EX-1.5R Pro and wondering what I should put in it for the 2010 season...

Really haven't gone through what's in there yet, I'll go through it tomorrow...but here's what I'm thinking about...


OPTION 1:
Castle Mamba Monster ESC and the 1800kv motor
2X 2S Lipos 14.8V
16T pinion

OPTION 2:
Castle Mamba Monster ESC and the 2650kv motor
2X LiFE batteries 13.2V
13T pinion


I'm currently running the Fusion EX-1 with the MMM 2650kv and 13T/46T and it's wicked fast, but maybe too fast for our track...so maybe it'll be more manageable with 13.2V...

I'll get some pics up later...
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Old 03-07-2010, 12:58 AM
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Most people that run those 2650 are running them w/ 3s lipos. For buggy that 1800 on 4s should be perfect. The 2650 will make about the same power on 3s though. These systems are more effecient if they get their power from high volts & not high amps though. My ideal setup would be something like a neu 1509 2y w/ a 3kmah 6s lipo. A setup like that will get you running for 10-15 minutes & keep your buggy at around 7.5 lbs likely. I'm not too familiar w/ the weight of those casters though. A pair of orion 5kmah lipos w/ a big neu 1515 will add about a pound of weight right off the bat.
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Old 03-07-2010, 08:24 AM
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I think I'll buy one of these now. two questions:

1. Is it actually available already? In online shops I see "preorder". On the Caster Racing website's shop, it doesn't tell you the availability status at all.

2. does it accept regular 2s Lipo stick packs?


Last edited by Woody76; 03-07-2010 at 08:52 AM.
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Old 03-07-2010, 08:46 AM
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Originally Posted by Woody76 View Post
I think I'll buy one of these now. two questions:

1. Is it actually available already? In online shops I see "preorder". On the Caster Racing website's shop, it doesn't tell you the availability status at all.

2. does it accept regular 2s Lipo stick packs?

Yes, after much anticipation, the car is available now. Order away! As far as the battery's are concerned, yes to that as well. The car is actually laid out to accommodate 2 'regular' hard or soft case stick packs in a saddle formation. No need to go out buying new VERY expensive batteries if you have 2 identical stick packs kicking around already.

On to the motor/esc question... Don't rule out the Hobbywing ESC and Caster's own Fusion 2000KV motor. The new 2000KV Fusion motor is compleeetely revamped to compete with the better known national brands. It's built for racing, and those who have been using them have all given terrific feedback on them. And...they are far less expensive. Up to you though man. Enjoy your Fusion!
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Old 03-07-2010, 12:19 PM
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I will discuss more, but I have a giant book I need to write....

Too many things going on right now in the next 2 weeks, but I will say this...

If you are on the fence on buying a new vehicle, please wait for the new Caster stuff to arrive.

YDBD, I just went through a new ex1r (I call it the ex1.5r, but the chassis plate says ex1r) and you are going to be really ticked off at me because you literally should just throw away your old fusion. Seriously, just pitch it. The new stuff is so much better than the old stuff that it is rediculous. I glanced over one and thought it was neat, but I had to make one rtr for someone who wanted to look at one but is too busy.

There is no way anyone can criticize this car coming out of the box and it comes with tons of extras.

That is all I will say for now....other than everyone else should be really concerned about their marketshare.
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Old 03-07-2010, 12:20 PM
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Taking apart the diffs and shocks and filling everything with fluids was literally a lifechanging experience for me.
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Old 03-07-2010, 12:36 PM
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Mike, u have a PM which is gonna scare u out of yr pants. Is the front upper suspension still locked with e-clips?

BTW, you're talking abt this car, right?

http://casterracingusa.com/product.p...5&cat=1&page=1
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Old 03-07-2010, 03:47 PM
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Pulling my roller apart and gonna take some pics...and do some re fluiding...
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Old 03-07-2010, 08:51 PM
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The EX-1.5R looks really nice! Everything looks really beefy and lots of aluminum (which I believe is all 7075). The only 2 things I would prefer Caster to have changed are:

1. Front upper arms still use e-clips to hold them in.
2. Wish the diff gears were spiral cut.

Otherwise looks really nice.
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Old 03-07-2010, 10:02 PM
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Here's some pics of the diffs...they are spiral cut! And super smooth. The ring in pinion don't even feel like they need any break in at all.

Loving the lightened outdrives!

Gonna run the 7K in the front and 3K in the rear.

It's going together really smooth.

The only problem I had with the upper hinge pins in the front was the set screw would strip out in the plastic and it would pop out forward...Caster fixed that with an aluminum block that goes all the way across and the set screws mount from the top. Never lost a clip on the Fusion EX-1...
Attached Thumbnails New Caster Fusion EX-1.5R-p3080022.jpg   New Caster Fusion EX-1.5R-p3080027.jpg  
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Old 03-07-2010, 10:21 PM
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What did you put in your center diff. 7K up front is pretty thick
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Old 03-07-2010, 11:09 PM
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I run 7K now in the front on my Fusion EX-1 and I like it..... I'm going with 10K again in the center, but with the plastic spur gear-forgot at home in the Fusion Box...duh...

I dropped from 5K to 3K in the rear as the track is more technical and we have pretty good grip.
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Old 03-07-2010, 11:34 PM
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thats the setup I run in my truggy, I have never tried it in my buggy.
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Old 03-08-2010, 02:05 AM
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Do you all shim the diffs? I didn't find any play in my EX1 & F8T when I built them previously so I went with no shim on the entire body.
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Old 03-08-2010, 02:18 AM
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It varies with which part and how much play I want...takes a feel to do it right.

I even noticed when Bando711 and I disassembled the 10 RTR's I have for the students to build, some had shims and some didn't. So when the students put them back together I check for play in the diffs, usually just the out drives but sometimes also the pinion shaft.

I put one in on each side and check play. I added two to the pinion shaft on front and back. I'd rather have the bearing race on a shim than plastic anyway...
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