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RC-Monster Brushless
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Posts: 2,085
Join Date: Sep 2007
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03.06.2009, 12:56 AM
Quote:
Originally Posted by MetalMan
Patrick is indeed going to have to give us more specs... WE NEED THEM. And some test motors would be nice 
Granted if we did test motors for Patrick, it would be more of durability testing than anything else.
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"WE", like you and me? Ummm.........you mean like Beta testers or something?
Hey! That would be GREAT. As a matter of fact, I think I read something about that somewhere.
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RC-Monster Mod
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Posts: 5,297
Join Date: Mar 2005
Location: SoCal
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03.06.2009, 12:59 AM
Quote:
Originally Posted by sikeston34m
"WE", like you and me? Ummm.........you mean like Beta testers or something?
Hey! That would be GREAT. As a matter of fact, I think I read something about that somewhere. 
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Where is Patrick when you need him? 
But to be fair, Metallover would need one too
SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz
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RC-Monster Spudgunner
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Posts: 2,353
Join Date: Apr 2008
Location: South Dakota
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03.06.2009, 12:56 AM
I'd test a cc outrunner...
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Soldermaster Extraordinaire
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Posts: 4,529
Join Date: Apr 2007
Location: Plymouth, MA, USA
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03.06.2009, 08:14 PM
Quote:
Originally Posted by lincpimp
(the preceeding was complete sarcasm, no aminals were harmed in the making of this sarcasm)
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Closed-captioning provided by:
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2010 Texas Worlds Top Fuel and Outlaw 10.5 Champ
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Posts: 396
Join Date: Apr 2008
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03.19.2009, 04:05 AM
You are correct, with a CC 770Kv outrunner, the theoretical top speed will be about 66mph without any losses factored in. At 30% loss, top speed will be about 45mph. Of course I can set throttle EPA lower if it gets to be too uncontrollable. To me that point where I lose control comes in at around 60mph for a 1/8 scale. I am worried more about overheating and demagging the motor. I really don't want that to happen.
Now, when you say that outrunners don't make the same power as inrunners, does it mean that the motor will tend to overheat piddling around in my truggy? Or will the outrunner generate enough torque for a lower amp value (lower power) to move the truck satisfactorily?
Thanks MetalMan.
Quickest 1/10 Top Fuel Dragster
Last edited by SunnyHouTX; 03.19.2009 at 04:07 AM.
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RC-Monster Mod
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Posts: 5,297
Join Date: Mar 2005
Location: SoCal
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03.19.2009, 01:37 PM
Quote:
Originally Posted by SunnyHouTX
Now, when you say that outrunners don't make the same power as inrunners, does it mean that the motor will tend to overheat piddling around in my truggy? Or will the outrunner generate enough torque for a lower amp value (lower power) to move the truck satisfactorily?
Thanks MetalMan.
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This is a hard comparison to make, considering the use of outrunners in cars is still relatively new and untested. However, for the same weight as an inrunner, outrunners generally are rated for less power. They do produce a lot of torque, as noted above, but I can't make a direct comparison to inrunners.
Just remember that your truck will require a certain level of power to move/accelerate, which won't necessarily be dependent on the motor.
SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz
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Im not dark, Im over ripened! xD
Offline
Posts: 5,607
Join Date: Sep 2007
Location: Westampton NJ
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03.19.2009, 06:51 AM
770 is definately way to high of a kv, i ran a Buggy with a 550kv motor and it was always smoking hot after a run.. but yeah they are torque monsters.
Benjamin White
R/c Monster Team Driver
Jq the car, LST, Sportweks turmoil pro
Unconventional Techniques, Superior Results
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RC-Monster Carbon Fiber
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Posts: 136
Join Date: May 2007
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03.19.2009, 09:32 AM
You mean like this?
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2010 Texas Worlds Top Fuel and Outlaw 10.5 Champ
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Posts: 396
Join Date: Apr 2008
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03.19.2009, 10:56 AM
Yes, EXACTLY like that. That looks great DLS II. What Kv is that then? Where can I get one? And what true speeds are you getting out of it? And how long of a run time?
Quickest 1/10 Top Fuel Dragster
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No Pistons
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Posts: 89
Join Date: Nov 2006
Location: Bay Area, CA
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03.19.2009, 11:24 AM
DLS, how did you mount that motor? I love your setup.
Close up shots of the motor mount would be great.
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RC-Monster Carbon Fiber
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Posts: 136
Join Date: May 2007
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03.19.2009, 02:08 PM
The motor is 600kv. It weighs 7.75 lbs. I've yet to test it. It should do 40-45 mph and run (I hope) 15 min. The mount was made by Monster Mike. I tried getting some shots of the mount, but they didn't come out so well. It's set up 6s A123. The outrunner is a Rimfire 42-60-600. The car is a Kyosho MP-6. I call it an EMP-6. The motor mount is secured to the stationary end of the motor with 4 screws. It bolts down to the front 2 mount holes of the center diff. It is secured by the top brace that runs from the top of the mount to the steering assembly brace. It came out very well. Mike's work-mount,brace,rear dog bone and design are superb! Don
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2010 Texas Worlds Top Fuel and Outlaw 10.5 Champ
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Posts: 396
Join Date: Apr 2008
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03.19.2009, 02:45 PM
Thanks for the info DLSII and MetalMan. Looks like I will have to keep running inrunners for the time being.
Quickest 1/10 Top Fuel Dragster
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RC-Monster Mod
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Posts: 5,297
Join Date: Mar 2005
Location: SoCal
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03.19.2009, 04:04 PM
Quote:
Originally Posted by SunnyHouTX
Thanks for the info DLSII and MetalMan. Looks like I will have to keep running inrunners for the time being.
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If the CC outrunners are as good as Patrick says they are, it may be worth switching over to them. But since we don't have any info. on them or samples to try out, we can't be sure.
SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz
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RC-Monster Brushless
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Posts: 2,085
Join Date: Sep 2007
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03.19.2009, 06:04 PM
Quote:
Originally Posted by MetalMan
If the CC outrunners are as good as Patrick says they are, it may be worth switching over to them. But since we don't have any info. on them or samples to try out, we can't be sure.
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#5 needs more input!
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2010 Texas Worlds Top Fuel and Outlaw 10.5 Champ
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Posts: 396
Join Date: Apr 2008
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03.19.2009, 04:34 PM
Exactly. I'm gonna bide my time. My truggy is doing well on 6S and a 36-70-2000 Medusa so I won't be hurting too bad...
Quickest 1/10 Top Fuel Dragster
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