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-   -   Talk 1520 - your experiences (https://www.rc-monster.com/forum/showthread.php?t=26302)

V0RT3X 04.14.2010 12:41 PM

Posted on Friday, received on Tuesday (from Belgium)

Long ass motor for sure. :intello:


http://img413.imageshack.us/img413/4...cn1439x.th.jpg

http://img695.imageshack.us/img695/2...cn1440z.th.jpg

http://img392.imageshack.us/img392/4...cn1436l.th.jpg

Don't want to think what'll happen if the lipos get hit.:lol: Probably gonna order a FLM tower, I think it's a bit thinner and won't bend and puncture anything.

Jahay 04.14.2010 01:41 PM

impressive! big motor... at least i know it will fit in my chassis...i thought you were running the db-17 xxl chassis....

If i were you i wouldnt bother with FLM towers... everyone is saying bad things about bending them!!! And when they bend, they dont bend back.... I would stick with stock and modify them if necessary to get the lipos to fit...

Looking good though! Tell me how the motor performs in the xl... and please get a vid if possible.
What gearing are you running? considering the power of the motor i was going to run 21t pinion and 44 spur with 39t high speed idler (locked second gear). I have a 25t pinion for road use too :-)

SV6000 04.14.2010 10:05 PM

Hey guys i think the castle 2200KV setup for a truggy is power enough for racing as long as it is setup properly in terms of gearing and voltages. However if you want to bash and have a good time and be capable of those really high speeds and not destroying motors or speed controllers than a bigger motor is the way to go. I run a NEU 1521 1Y (Castle motor not available at the time) in my MBX6T and a 1527 1Y in a G3R and temps and speeds are impressive to say the least. So are my run times. In my G3R i will get bored of doing the same circuit in the back yard before my LVC goes off. But if i want to do a speed run and try for 100mph plus i gear up and volts up and away i go. No issues except keeping it on the ground. The most valuable tools you can have in terms of electric setup are your temp gun and a data logger.

But remerber at the end of the day this is still a HOBBY and is supposed to be FUN. So have FUN:party::party:

nuz69 04.20.2010 03:52 AM

My 1520 has another small brother 1515 1Y since yesterday ;)

http://img10.hostingpics.net/pics/23...stleFamily.jpg

You can see the ORION vortex 8 2050kV (dead) between the 2 monsters :D As long but not as heavy :lol:
Castle family is growning !
Still waiting RC monster conversion kit for my MBX5T... It smells like customs :oops::oops:

nuz69 05.07.2010 04:48 AM

The "bad boy" mounted in the chassis :yes: :

http://img18.imageshack.us/img18/2876/derrire.jpg

http://img14.imageshack.us/img14/3342/carrodevant.jpg

Gearing 15/46, 6S 4000mAh (a little heavy), runtimes under track conditions are 19-20min, although the gearing is a little too much to race !
Temps : when ambient is 55-60, motor reaches 100-105 °F after the run :yipi:
I do not know the weight of my truggy, but I am pretty sure that it reaches 11 lbs (a little heavy compared to a nitro MBX5T).

nuz69 05.07.2010 02:02 PM

Another video of bashing ;)

http://www.youtube.com/watch?v=dF3EU-2BarI

ANGRY-ALIEN 05.07.2010 11:00 PM

Thanks for the update and info man...

ANGRY-ALIEN 05.26.2010 11:50 AM

Made some changes with my motor mount and suspension setup... I'm using 15/52 gearing now with an Ofna 6 Spider CD... I'll be ordering a pair of 16 tooth pinions from Mike
so that i can run in the forties....

A few pics of the layout...


http://lh3.ggpht.com/_4vPm5E8J5HA/S_...0/DSC_4611.jpg
UE Widetrac Control Arms, FLM Bulks, UE Super Shocks and UE Knucklehead shock towers



http://lh5.ggpht.com/_4vPm5E8J5HA/S_...0/DSC_4599.jpg
My new homemade CD/Motor mount with a OFNA Spider center diff and CC 1520 attached



http://lh6.ggpht.com/_4vPm5E8J5HA/S_...0/DSC_4608.jpg



http://lh4.ggpht.com/_4vPm5E8J5HA/S_...0/DSC_4663.jpg
Upper plate finished and mount mounted


http://lh6.ggpht.com/_4vPm5E8J5HA/S_...0/DSC_4666.jpg


Hmmm... I had a funky little moment when I made test of the rebuild... saw a puff of smoke coming from the truck while it was sitting on the ground... The body was off luckily, it allowed me to unplug the Batts
immediately... i saw that one of the servo extension wires had lost it's insulation on the negative wire... i was a little worried since that extension was connected directly to the receiver... on opening the
receiver box i saw that only the extension was affected... I removed the extension from the receiver and made a check... the receiver started up right away and all functions checked out. not sure why
the wire shorted out like that tough... Well... i have no backup servo extensions, so I'll be running the 125B without its double fan 'cooling'... On plus side, this will allow me to mount the ESC a little lower :mdr:...



http://lh5.ggpht.com/_4vPm5E8J5HA/S_...2/DSC_4630.jpg



http://lh4.ggpht.com/_4vPm5E8J5HA/S_...2/DSC_4640.jpg



I'll make some tests as soon as possible and post my findings... Not sure what kind of temps I'll be getting on the esc now.


Alien

Jahay 05.26.2010 02:20 PM

that is a beautiful home made cd motor mount!!! You have a very nice truggy there!!!
You can see no expense has been spared!

Do you think you would like to make me one of those cd mounts :)

ANGRY-ALIEN 05.26.2010 03:12 PM

Thanks man... some expense was spared with homemade parts :lol:... i'm not sure if I'll ever want to know how much money went into this build over the years...
hmmm... regarding the mount... it was a one off thing (materials here are scarce and I have to import almost everything i need)... So I'm not sure how feasible it would
be to make a small run on this design... besides, I wouldn't want to disrespect the site owner by peddling my stuff here...

Thanks again for the compliments dude.


Alien

nuz69 05.28.2010 07:21 PM

Update for me :

http://img245.imageshack.us/img245/6633/1746.jpg

14/46 ===> 17/46 :lol::lol::lol:
The same deal for the motor, sames temps as 14/46 and insaaaaaaane top speed :yipi: Moreover wheelies are easier as in 14/46 (didn't touch the 70% punch control !).
But a bad thing happened... I did one time a full throttle from 0 speed, and my truggy responded by a DOUBLE standing backflip !! "OMG, WTF this 1520 is doing to my truggy :D :D !!!" ====> my out-shaft of center diff melted in the spur, blocked the diff... mugen parts are precise engineered, and the shaft enter tiely in the spur :( metal vs metal = heat, i didn't have this problem with the 14/46, but in 17/46 diff works maybe a lot more... I tried to enlarge a little the spur hole, but mugen parts are very heavy too ^^ Will see tomorrow if it works better.
anyway, this motor can handle bigger pinions and keep exactly the same temps, impressive :intello:

ANGRY-ALIEN 05.29.2010 12:12 AM

Powerrr!!! :lol:... are you going to make some vids with that 17 tooth setup? can't wait to see that.

nuz69 05.29.2010 03:37 AM

Quote:

Originally Posted by ANGRY-ALIEN (Post 367330)
Powerrr!!! :lol:... are you going to make some vids with that 17 tooth setup? can't wait to see that.

Coming today :D

Jahay 05.29.2010 04:37 AM

nuz i have this motor in my extended savage... considerably heavier than your truggy... i have it currently geared to 53mph (calculator says) and i get temps only as a high as 120degrees on the motor and less on the esc... temps are very low! i was considering gearing up but left it as it is and ill just run it on 9s when i have the funds

nuz69 05.29.2010 07:26 AM

Good news ;) 120F is pretty cold for your savage and gearing :yipi: Today, my motor was at 110F on front and 125F on rear plate after one battery, it was sunny and ambient was 75F. I am geared for 48 mph but without a lot of ballooning :D
The video is uploading at the moment :wink:


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