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06-20-2007, 10:57 PM
| #21 | |
| RCC Addict Join Date: Nov 2005 Location: Saving for Nationals!!
Posts: 1,696
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06-21-2007, 06:58 PM
| #22 |
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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Well I think I did it...And SVEN it does bite. It jammed my finger between the links. I have never said so many bad words under my breath before in my life...kids were standing there watching. "Daddy...that looks like it hurts" Now back to the issue at hand... Just what I needed. The combo is perfect. I am getting all the torque I need when I need it. Cost me $100 but it is fixed. Thanks for everyone's input. JRH, I am posting a vid of the CM with the Mamba...What a combo for Drag Brake...Look for it on the Crawlmaster thread. John |
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06-21-2007, 07:04 PM
| #23 | |
| I wanna be Dave   Join Date: Feb 2005 Location: Burnsville
Posts: 3,096
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I'm glad you got it working for ya, that's definitely a nice setup. | |
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07-01-2007, 03:45 PM
| #24 |
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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OK...I think I need to go back to Nitro, I cannot win on this one. Everything was running great. Halfway through the course and the truck shuts down. Cannot get it to run. Mamba Max is cool, Crawlmaster is cool, Regulator is HOT!. Could not get the system to work again. JRH, Do I need a bigger regulator now that I am running a Digital Servo in the front? Also, when I put a meter on the receiver end of the regulator when powered up and am getting a zero reading...did it fry? If so, that was only my second run on it. Do I need to go with the adjustable one? I cannot believe that I am having this many issues with this set up. Anyone...Please help!!!!! Thanks, John |
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07-01-2007, 03:47 PM
| #25 |
| owner, Holmes Hobbies LLC   Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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What main pack voltage were you running? This is why temp guns are good to have any time you have a new setup.
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07-01-2007, 03:52 PM
| #26 | |
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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I was running 8 SC Cells when this happened... | |
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07-01-2007, 04:04 PM
| #27 | |
| TEAM MODERATOR  Join Date: May 2004 Location: Tennessee
Posts: 10,855
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This may or may not be it..... Mine acts up VERY simular to that. At first I thought it was the servo,swapped that. Thought it was the rec. pack not being charged,nope,not that. Tried swapping to a few different radio's,nope,not that either. Tried installing a new pot in the radio,not it either. I've found my problem now...... It's the dang plug that my reciever pack plugs into. It'll make contact and seem fine,after you run for a bit,it'll loose contact and no steering,no power....nothing. Kick the truck,it starts working. SVEN's seen me do it at a few comps  I guess kicking it is better that the time I litterally threw it through the woods after getting aggravated I've got to zip tie it together and it'll work better. I guess all the plugs or some of them are starting to wear out and becoming loose. I'd check all your plug ins and make sure. Couldn't hurt anything to try. | |
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07-01-2007, 04:10 PM
| #28 |
| MODERHATER™  Join Date: Nov 2005 Location: Colorado
Posts: 10,939
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Sounds to me your Spektrum is shutting down due to voltage drop. Make it so your servo power drain is not going through the receiver.
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07-01-2007, 04:14 PM
| #29 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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A fresh charged 8 cell pack could have 12 volts easy. Assuming 12 watts dissipation for the reg gives 2 amps of power for the servo since you are dropping 6 volts. You stated that you were using 7 cells as a main pack at first which would give the regulator more room to breathe. edit: Checked heat dissipation value for regulator Last edited by JohnRobHolmes; 07-01-2007 at 04:19 PM. |
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07-01-2007, 04:50 PM
| #30 | |||
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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I don't understand the Regulator thing. Exactly how does it decrease when you add more volts? Are you saying that I would be better off running the six cells than boosting to eight? Now I just plugged 6 cells in and I am getting nothing on the output side of the regulator. What to do next??? Thanks guys... | |||
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07-01-2007, 05:02 PM
| #31 |
| RCC Addict Join Date: Apr 2004 Location: 5280
Posts: 999
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John, Have you checked under the shrink wrap yet on your regulator? It might have over heated just enough to cause a non-fatal short. Check your battery/knuckle clearance, and see if there is any sort of contact between the batteries or those AL knuckles. If they touch it could be causing a voltage issue that you haven't noticed yet. I always look for the stupid simple things first, then go back to the hard stuff. You did follow all instructions for setting up that Mamba max in the super with a regulator? Double checked all wiring connections? Just trying to help you get it figured out, so when my Crawlmaster gets here I wont need to reinvent the wheel. |
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07-01-2007, 05:08 PM
| #32 | |
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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JRH, Why did you sell him a Crawlmaster? That was my upperhand. Busted actually tried to hold it back...I think it started pulling his arm out of it's socket... | |
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07-01-2007, 06:08 PM
| #33 | |
| TEAM MODERATOR Join Date: May 2004 Location: Tennessee
Posts: 10,855
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He's been trying to hold back for a while now. Seeing my rig run here in TN. with CRAZY power,it's been killing him ever since In all seriousness,you might still have an upper hand till he gets used to crawling brushless. It's a whole new feel to get used to. Having allot of power,it's less forgiving. Your either going some where,melting the tires or spur out of the thing or broke | |
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07-01-2007, 07:11 PM
| #34 | |
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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He is beefing it up thou, to get ready. It is going to be fun...Our next comp is July 15th...will he have the bugs worked out. | |
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07-01-2007, 08:32 PM
| #35 | ||
| RCC Addict Join Date: Apr 2004 Location: 5280
Posts: 999
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Why do you think I got those SS shafts? I will have 2 pairs of stockers as back up if the SS ones fail. If needed...I can get the SS shafts cryo'ed, along with all of the metal gears. But we will see. | ||
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07-02-2007, 09:38 AM
| #36 | |
| I wanna be Dave Join Date: Feb 2005 Location: Burnsville
Posts: 3,096
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 Sorry to get off topic...maybe try plugging things up with a receiver pack to single the regulator out as the problem. | |
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07-02-2007, 09:50 AM
| #37 | |
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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Wait and see what the Crawlmaster is going to leave as carnage.RX Pack already on charge... | |
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07-02-2007, 09:51 AM
| #38 |
| MODERHATER™ Join Date: Nov 2005 Location: Colorado
Posts: 10,939
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By running a regulator you are not getting the power drain away from the receiver. You have all 3 wires from the servo plugged into the receiver right?
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07-02-2007, 09:53 AM
| #39 | |
| I wanna be Dave Join Date: Nov 2005 Location: Here
Posts: 7,317
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That was JRH's suggestion too. What are you proposing? | |
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07-02-2007, 10:01 AM
| #40 |
| MODERHATER™ Join Date: Nov 2005 Location: Colorado
Posts: 10,939
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On my rig if I have any servo power drain going though the receiver, the Spektrum will shut down. I would crawl, turn both servos, or one in a bind and it would shut down. I solved the problem by using a y-harness with 2 female ends and one male. Where it plugs into the receiver, pull out the red power wire, plug the servo into one end, plug the battery into the other. It never shuts down now. The way the BTA is designed on your TXT it puts alot of strain on the servo to get it to turn, I know this, I have the same setup. |
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