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Unread 11-12-2008, 09:59 AM   #1
JoeWorks
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Default HRCC's Winter Finals 2008 Video Slide Show

HRCC's Winter Finals 2008

http://www.youtube.com/watch?v=_k3vpYGRA-g

Thanks to "christeenz" for the video..awsome work..

Shoots..
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Last edited by JoeWorks; 11-12-2008 at 10:15 AM.
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Unread 11-13-2008, 06:09 AM   #2
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dang - that looks like fun!

if only kaena point wasn't so far away...

well, that and my son's crawler is out of commission again. took his crawler swimming while practicing near a stream - rolled it right down a bank into a stream.

i think everything is toast.

this is gonna be expensive.
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Unread 11-13-2008, 08:50 AM   #3
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I would try and blow out as much water as you can out of the receiver and esc and let them dry out for a day or two.

Clean out the motor(s) with motor spray and relube.

WD40 is good to clean the bearings/axles etc.

Kewl video!

I really need a new body for my 2.2!hehehe
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Unread 11-13-2008, 12:44 PM   #4
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thanks for the tips!

i have the receiver and esc hanging on the clothesline in the garage to drip-dry.

will try that with the motors - i just assumed they were toast because he rolled it into the stream and underwater at full throttle, and tried to drive it out of the stream. as soon as we got it fished out, i turned off and disconnected everything but i figured the damage was already done.

hope this works... if we can even save a couple of things, that's a couple of things i won't need to replace...
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Unread 11-14-2008, 01:22 PM   #5
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one motor seems to have survived (if i put a 9v battery across the terminals, the shaft turns). other motor does nothing.

haven't tried hooking up the receiver and esc yet, though. i'm not hopeful.

at least i don't have to buy two motors (yet).
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Unread 11-17-2008, 10:49 AM   #6
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Quote:
Originally Posted by Act162this
one motor seems to have survived (if i put a 9v battery across the terminals, the shaft turns). other motor does nothing.

haven't tried hooking up the receiver and esc yet, though. i'm not hopeful.

at least i don't have to buy two motors (yet).
Good luck on recovery of electronics.

Hope it works out for you.

BTW have you looked into the Losi MRC rig (a 1.9 class rig)? Its ready to crawl with a 2.4 radio, ESC, batteries and a wall charger for around $220-240. Infact there is a national class for it already and HRCC is planning to have a 1.9 class next season. So if you are looking at a RTR that is a fairly(some may say very) good crawler out the box and the price is good (IMO) and with parts support and optional parts slowly being released, this may be the answer you are looking for, for those days at the park with your son and also you and your son can come out and comp at HRCC events.

Aslo check out Xtant's post about the MRC http://www.hawaiitalks.net/showthread.php?t=48157

Shoots..

Last edited by JoeWorks; 11-17-2008 at 10:52 AM.
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Unread 11-17-2008, 01:12 PM   #7
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hey, cool!

thanks for the suggestion and the link! i remember reading that and looking up the MRC - seems like a popular 1.9 rig, people are doing all kinds of mods to them already.

i don't have the skill or equipment to do some of those mods, but RTC works for us.
might be a good learning crawler for him, too.

his super class crawler makes short work of everything (until it breaks) so not too challenging for him. his 2.2 rig in 3rd gear is just uncontrollable on a short course (pretty much just flies/jumps over everything), so he's not really learning a heck of a lot about throttle control (don't need it when his general answer to a stuck is more throttle and running start).

but this looks good - even the small rock pile in the back yard could be a challenge course, minus the whole "fall into the river" penalty.
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Unread 11-17-2008, 01:15 PM   #8
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steering servo is pretty much toast - can't turn the wheels at all, just makes a whining sound.

receiver/esc seem fine (unless something went wrong with the receiver, so it's not getting signal to the steering servo).

changed the front motor, kept the back, and all seems to be okay. lots of throttle response, he just can't steer (d'OH!).

i'll swap out the servo for a spare hi-torque servo and we'll keep our fingers crossed.

i'm thinking about using our rabbit's leash for the crawler, so if he flips it again it can't go far (kinda like a ghetto recovery strap).
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Unread 11-17-2008, 04:49 PM   #9
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Glad to hear that things are not as bad as they could have been.

That rabbit strap sounds but would probably work well!

The MRC is a really good small scale crawler! Right out of the box it is pretty capable and most of the mods are either really cheap or FREE!!!!

My MRC is pretty much stock with the exception of weight added to the wheels and axles, 2S lipo battery and shocks mounted to the chassis with 60wt. oil in them. And I put a stock TLT body on it. Works extremely well with these few mods! Now it's just a matter of getting better tires for it! Waiting on the Blue Compound Claws from Losi to come in locally or the Proline 1.9 Flat Irons!!!

The MRC is really a pretty good deal when you consider what you get in the box with the 2.4ghz. radio gear and a very good esc.

Last edited by Xtant3150c; 11-17-2008 at 04:52 PM.
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Unread 11-18-2008, 11:02 AM   #10
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Quote:
Originally Posted by Act162this
steering servo is pretty much toast - can't turn the wheels at all, just makes a whining sound.

receiver/esc seem fine (unless something went wrong with the receiver, so it's not getting signal to the steering servo).
Try plugging the esc into the steering channel on the RX, that'll tell you if it's the RX or servo......or just try another servo.
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Unread 11-18-2008, 07:15 PM   #11
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Quote:
Originally Posted by DISTURBIN' tha PEACE
Try plugging the esc into the steering channel on the RX, that'll tell you if it's the RX or servo......or just try another servo.
thanks!

i should'a done that before i took the darn thing apart to get to the servo...

the new servo works, but i don't think it has enough leverage to turn the tires (it will turn the back tires, but not the front - 4WS, one servo with two linkages). I think if i could make the attachment points for the linkages longer (on the servo), so a given amount of rotation would move the arms further, i'd be okay.

right now, when the servo turns, it only moves the linkages a little bit. if i could move the linkages out further away from the servo, the same amount of rotation would translate into further movement, and i'd be okay.

those servos with mounting points that look like a cross would probably have been a better choice. gotta see if i can find a larger plate to replace the stock one on the servo, maybe that'll work.
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Unread 11-18-2008, 07:54 PM   #12
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Quote:
Originally Posted by Xtant3150c
The MRC is really a pretty good deal when you consider what you get in the box with the 2.4ghz. radio gear and a very good esc.
cool!

i know you mentioned you got yours locally...

if you don't mind me asking, could i ask what shop you got it at? i prefer to give local shops my business. i'll probably go to check out our friend's shop tomorrow since we'll be in the area after work anyway, but in case they don't have it, where else might i look?
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Unread 11-18-2008, 10:38 PM   #13
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I bought my MRC from Dave at Sandy Flemings Fast Electrics.

Best to give him a call to find out if he has any in? 456-7272
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Unread 11-19-2008, 09:50 PM   #14
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^^ ah, thanks. every time i've ever gone there, they are always closed. i'll give them a call to see if they have them and if/when they'll be open before i make another trip out there.
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Unread 12-01-2008, 02:25 PM   #15
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woohoo!

back in action- put different horns on the steering servo for more leverage and all is well with his clod crawler.

this is a good thing, since over the long weekend he crashed and broke a couple of parts on his buggy-turned-stadium truck and burnt another motor on the e-savvy.

i pretty much went through all my spare parts this weekend - lucky we'll be going down to the LHS on wed.

otoh, i am getting some real hands-on experience with fixing/replacing stuff.
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