Outrunner CRT.5

Travis, im going to pm you in a min

Dont want to clog his thread up

[BL-Power]

I am using this motor:http://www.hobbycity.com/hobbycity/s...idProduct=4659
It is also available with 900kv and 770kv, the size is ideal for the CRT.5
I think for my 1000kv motor, 4s with small tires or 3s with large tires is great. It is so powerful, it's wheeling all the time even when i'm driving around with around 25mp/h it's easy to let it wheely.

[BL-Power]

Here is another short vid of my Outrunner CRT.5, i'm still lovin it, it's driving so nice and is so powerful. The motor, esc and lipo are staying cold or handwarm.

<object width="425" height="350"> <param name="movie" value="http://www.youtube.com/v/ec-L9P80IU4"> </param> <embed src="http://www.youtube.com/v/ec-L9P80IU4" type="application/x-shockwave-flash" width="425" height="350"> </embed> </object>

And here's a large pic my brother made with my cam, it's 16 pics in one second. You can see very well what's happening when i'm accelerating: http://i36.tinypic.com/11hqy5h.jpg

[brushlessboy16]

lookin good =) any problems with diff gears blowing?

[BL-Power]

I checked the diffs yesterday, i've got now about 8 hours of runtime on them and they are holding up well. They look like new, no wear is visible.

[brushlessboy16]

sweet :D

wie lange fährst du mit den 2,2a lipo wennst auf ner strecke oder so bist?

[Semi Pro]

Originally Posted by Burnsi

wie lange fährst du mit den 2,2a lipo wennst auf ner strecke oder so bist?

yep what he said

you did a great job, looks like tons of power

i take it the motor mount is custom?

[BL-Power]

Update after 3 months:
After around 40 runs with the Quark, fire came out in early November. So i shipped it to the adress in Korea that was printed on the box of the ESC. Online tracking showed me that they received it on November 17th. Since then i heard nothing from Sky&Technology, my emails are just not answered. So i'll never buy a Quark product again.
I replaced it with a Sidewinder with UBEC and it's really the best Outrunner ESC i've ever tested. It has a smoother startup than a Kontronik Jazz 80, a Mamba Max and a Quark Competition 80 with capacitors attached. After 2 battery packs, it's never warmer then 120f.
When i had destroyed the gears of my Hitec 225 the third time, i decided to replace it by a low-profile servo. First i tried the HXT9612 but it was even to weak to turn the wheels when they weren't touching the ground. I'm sure it has not more than 1.5kg of torque although it should have 5.4kg. Now i'm using a Bluebird high speed servo, it has metal gears and found it for 30€ at my hobby shop. I've mounted it using Traxxas 4-Tec servo mounts. It works nice and is really fast.
The RTR weight of my CRT.5 with Jato Wheels is now only 1840g, thats 4.06 lbs. I'm now very happy with it and I can't find anything i could improve.
Here are some pics for you: http://picasaweb.google.de/Brushless...NorCRT5Setup3#

@ Semi Pro: I found the motor mount at my hobby shop, they had it there for 1.50€

@ Burnsi: The runtime is about 13min - 17min.


If you find anything really useful i could improve, please let me know.

[Metallover]

What dogbones and outdrives did you end up using on there? I can't seem to find any that fit.

[BL-Power]

I found the dogbones and outdrives at my hobby shop, i don't know the car they are spare sparts for. But the dogbones are 41mm long and the outdrives have to be made for 5mm shafts for my outrunner.

[Metallover]

Would these be the right thing?
http://www3.towerhobbies.com/cgi-bin...&I=LX2558&P=SM

[emaxx101]

Could you post some pictures of your battery mount. Do you ever have any problems with it, like the battery falling out or anything?

[BL-Power]

@ Metallover: If they are 41mm long or even a bit longer, they should fit.

@ E-Maxx: My battery mount is consisting of 2 long M3 screws who are screwed through the chassis and have a piece of fuel tube on them. The battery is fixed to a 2mm thick piece of carbon by fiber tape. I've never had any problems with it, the battery is fixed really nice.

[hardmankam]

@Bl-Power:

I understand you had converted your CRT.5 using both inrunner and outrunner motors. If you had to only pick 1 conversion, which type would you recommend?

Thanks for your comments!