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-   -   Truggy almost there! (https://www.rc-monster.com/forum/showthread.php?t=7850)

skillx 09.25.2007 01:16 AM

Truggy almost there!
 
Here are a couple shots on my new truggy I've almost finished. Setup is as follows:

NUE 1515 2.5d
MONSTER 125b ESC
4s 5000 MAH Lipo Batts

http://www.customvisualconcepts.com/losi3.jpg

Should be good on the track I think more than enough to spank some nitro tail.

http://www.customvisualconcepts.com/losi4.jpg

Side by side with my original truggy killer BL revo!

http://www.customvisualconcepts.com/losi1.jpg

I still need to manufacture a battery tray and find a nice way to mount the ESC. There are still a few bugs to work out but for the most part she is running good. I have only tested in the house with everything laying in the chassis :lol:

As Always, thanks to Mike for putting up with all the phone calls. One day I think he'll stop answering the phone...Thanks go out to Aangel as well for some guidance before the build. Overall I think I will be very happy with this truck and it will be my racer so it will get LOADS of use! I'll post a vid of it at the track as soon as it makes it there...

brushlessboy16 09.25.2007 07:41 AM

that isnt the final mounting place of the speed controller is it?
what batterytrays are u planning on using?:oh:

MTBikerTim 09.25.2007 08:24 AM

That was my initial thought too until until I read the "I still need to manufacture a battery tray". Those 2 trucks are real nice. Starting to wish I was converting something other then a savage when I look at how simple those trucks are.

skillx 09.25.2007 09:05 AM

Quote:

Originally Posted by brushlessboy16 (Post 119784)
that isnt the final mounting place of the speed controller is it?
what batterytrays are u planning on using?:oh:

No,

The ESC is just laying in the bottom of the chassis loose and with plenty of slack. I am thinking I am going to make some kind of tray that incorporates a mount for the ESC.

brushlessboy16 09.25.2007 03:03 PM

hmm good idea cant wait to see the finished product

Chapito 09.25.2007 03:50 PM

3 Attachment(s)
Greetings Skillx! My name is Anthony and I am the guy Elliot was talking to when you were @ T4BB this morning. Thought I would post a couple pics of my batt./ESC mount for you. I used an L shaped piece of allum. mounted to the top of the motor mounts. I found this to be easiest way to clear the side skirt mounting holes. Try to ignore the reciever pack(embarasing), my UBEC went south so I'm making do. If you have anymore questions just post em'; there is a wealth of knowledge to be gained from the brains on this forum, everyone here has helped me out alot.

Chapito 09.25.2007 04:01 PM

Forgot two things: I highly recommend the heat sink Mike sells for the 125b. The Quark WILL OVERHEAT without it 9 months out of the year here. And please let me know when you get it ready to race; It'll be nice to have another brushless truggy to run with(trying to pull a battery swap to make a 15 min. main with the nitro's is challenging).

brushlessboy16 09.25.2007 04:23 PM

hey what runtimes do you get with that pack, how many amps?
i need ideas for my e-raze project. is it true that you need at least 100a to run a 9xl or brushless motor?

Chapito 09.25.2007 04:33 PM

Quote:

Originally Posted by brushlessboy16 (Post 119844)
hey what runtimes do you get with that pack, how many amps?
i need ideas for my e-raze project. is it true that you need at least 100a to run a 9xl or brushless motor?

It's a 3700 and the only time I ever tested the voltage cutoff on the Quark, which was set @ 3v per cell, was @ the track under race conditions and it went 10 minutes and 7 seconds geared 13/48 with a p.o.s. XLT4 motor. I would imagine it will probably go a minute or two longer with the Neu motor. I use 1800-2300mah in a five minute qualifier depending on track conditions(and who I'm racing with). As far a 9xl goes, I have no idea.

brushlessboy16 09.25.2007 04:44 PM

i just need a battery that can handle the amp draw

dabid 09.25.2007 05:04 PM

Very very nice, I love how clean that chassis layout will look. Losi 8T, right?

Serum 09.25.2007 05:24 PM

Yep! 8ght 8t for sure!

1bhutch 09.25.2007 06:41 PM

sweet truggy. nice and clean conversion

suicideneil 09.25.2007 07:03 PM

Quote:

Originally Posted by brushlessboy16 (Post 119844)
is it true that you need at least 100a to run a 9xl or brushless motor?

Not really. The 9xl has a fairly low kv rating which means you would run it on a higher voltage, say 5 or 6s lipo. The result is that the motor makes its 'power' through voltage rather than pulling a higher current (amp draw). This means it may draw a higher current under hard excelleration/braking, but under normal driving and full-throttle it will draw a much lower current. Any good lipo with about 4000mah or so/more and a 20-25c rating should be perfectly fine. Its the 7/8xl motors that tend to be more demanding of the esc and battery (higher kv rating and lower voltage means higher current draw & resulting heat). Hope that makes sense.:wink:

skillx 09.25.2007 11:40 PM

Quote:

Originally Posted by Chapito (Post 119840)
Forgot two things: I highly recommend the heat sink Mike sells for the 125b. The Quark WILL OVERHEAT without it 9 months out of the year here. And please let me know when you get it ready to race; It'll be nice to have another brushless truggy to run with(trying to pull a battery swap to make a 15 min. main with the nitro's is challenging).

Thanks for the info man. I can't wait to get this thing on the track at T4BB. I'll have Elliot give you a call when I'm going to race...hopefully the ERevo and Losi will be on the track this coming Friday but may just be the ERevo. She is ready is ready to take on the Pinche Nitros i don't care how long the main is. I may just run one qual.
:whip:


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