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FYI Metal spurs will make more noise then the plastic. If your are use to plastic spurs and then put a metal one on. It will annoy you, well maybe it wont. It did/does annoy me.
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yeah, i heard DickyT running a metal spur once and started freaking out. thought he didnt hear it or something. lol. i thought he was about to blow his motor up or something. hah
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I guess I've just had such good luck with the metal on plastic that I don't see why anyone would do metal on metal. I also noticed that the pinion started to wear from it's contact with the metal spur gear. Even with a hardened pinion.
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i hope everything works out for me when parts arrive. i will check, check and re check the mesh.
there is absolutly no problems that would come out of a RCM motor mount correct? i mean, things look fine on it, just wondering. also, what would you suggest i do to clean up the mounting situation i have going on? this metal piece was already on there for the MMM mount but i dont like it. i just dont know how else i would mount it. http://i108.photobucket.com/albums/n...50/photo-3.jpg |
No, you will not have any problems with the RCM mount - the best quality on the market. Unless it got bent somehow or something.
And about the ESC . . . I don't like that mounting location either. One of the best spots I've found is on top of the steering servo. You usually have to make a plate for it to sit on, but it works awesome and keeps a lower CG as well as balances the weight of the battery on the other side. Like this: http://i189.photobucket.com/albums/z...Revision01.jpg Sweet - this is my 800th post!! :lol: |
congrats on your 800 posts!!
i cant get over how clean your buggy is bro. seriously. do you have a before and afer pic from cleaning and the track? what do you think of my battery sitting up like that? unfortunatly i got the wrong size and i cant lay it down like yours. although the battery stays in there tight, i just dont like it but if it is 100% fine sitting there like that, i guess i am ok with it. |
Here's a couple from a dusty day at the track:
http://i189.photobucket.com/albums/z...8/IMG_3592.jpg http://i189.photobucket.com/albums/z...8/IMG_3594.jpg And about your battery - what do you mean about it sitting up? Is your tray not long enough or not wide enough? If it's not long enough, just cut it in half and stretch it out. That's what I had to do if you look at my photos! :lol: Oh, and I'll try to find some more photos of a muddy day at the track. |
oh, i just found out what the differance is with a digital radio vs not. 20% 40% 60% 80% and 100%... not a smooth transition when you first take off. i have noticed in the past with the radio i have. Futuba 3pm, that i have no gentle acceloration. only an imidiat jerk. is there NO WAY to adjust this radio and the MMM to have a smooth start so i dont keep jerking when i start? it is either sitting still or going 4mph.. no creeping if ya know what i mean
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Try adjusting your throttle curve when you setup your MMM on the computer.
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well the batttery tray isnt wide enough. i am like 10mm too narrow. soi have a peice of foam inserted in there to kinda cushion the distance i am short when i have it sitting like it is.
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throttle curve isnt something i ever messed with.. i guess i can take a shot at it.
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I would have Mike make you a battery tray. If your lipo is sitting at an angle it could hit the tray edge on impact. Any point impact on a lipo is not good as it can damage the cell - even if it has some foam there. Or you could turn your lipo on it's side and see if it fits. Sometimes the battery is wider than it is tall. Just a thought. |
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i dont think you understand what i am trying to say.. take a look at these 2 pics.. i ordered a tray from him and i got the wrong size. :( but maybe i could cut it in half and extend it out 10mm or so???
http://i108.photobucket.com/albums/n...50/photo-5.jpg http://i108.photobucket.com/albums/n...50/photo-6.jpg |
Oh, I see :intello:
So you can't lay it down flat? If not, that layout will work fine. Not ideal, but won't hurt anything. |
yea, i am just a bit short. really really sucks. but if this wont hurt anything i will leave it.
do you think it would be worth it to cut that tray in half and extend it out a little bit? i mean, would it make that much of a differance? i am definatly going to move the MMM though. that is a must. |
I wouldn't cut the tray lengthwise. The contact points are on one side and I think it could cause a problem. I think you just deal with it until you can get another tray or lipo. Is this a weird sized lipo or is it just a small tray?
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i simply got the wrong size tray. and i see what you mean by cutting it. i would have to cut it length wise and width wise to make it fit properly. again, if it causes no damage as it sits i will leave it. i just dont like having to put the foam on the side every time and i dont want it to come flying off.
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I would try to cover as much surface area on the lipo as possible though. If you could insert some kind of piece into the battery tray that was taller than the foam, then I think it would keep the battery more secure. Does that make sense?
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yea, but what would i use? dont want anything too heavy ya know and nothing that could puncture the lipo.
dude, you got AIM? |
Sorry, no AIM here. I would suggest some kind of piece of plastic. Sorry, wish I could sketch out what I had in mind for you. Let me see what I can do.
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Sorry it's rough, but this is the idea I had in mind:
http://i189.photobucket.com/albums/z...3/IMG_4158.jpg |
very very nice idea... this is what i was thinking but not sure how i can get it to stick. maybe some JB Weld... and MAYBE i could use that ESC mount for the parts??
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yeah? think thats my best bet? i kinda agree with you.. hmm..
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well...its what I did, and it worked for me.
but I only did it because I didnt have the option to stand the battery up like you did. I was trying to fit two batteries and stacking them didnt allow the body to fit correctly. How is the stand-up method working? Do you think laying it down will improve handling? |
I run a lot of mine in that configuration. Sitting up on thier side closer into the center of the chassis. They work fine. They seem to have a better balance left to right. Not as low of center of gravity but doesn't tilt to one side as much when jumping. If I ever get into racing and need to find that extra little that will win me a race. I might lay them down. It could just be the edge I need. LOL
Anyway one thing that helps hold my batteries a little better is I use door weatherstripping on them. When I strap them it it gives a little cushion or compression area so I can snug them down better. It really helps more on the flat chassis I have with out a tray though. Like the FLM chassis. These are some old pics but might spark an idea how it might work for you. http://i212.photobucket.com/albums/c...p/DSCF2735.jpg Oh hey, check out my super swifter sweeper or what ever they are called. The red broom handled item to the left. I took it put some little wheels on it and attached the magnet from a 75 watt pioneer speaker to the bottom. Drop a 3mm screw on that tile patter and it's gone if you take your eye off it. I use to waste too much time looking for them. Now I just get a different screw from the bench and later on. Take the swifter and run it around a few time and get back a bunch of my screws, bearings, body clips, all kinds of metal things. Treasure hunt. http://i212.photobucket.com/albums/c...p/DSCF2734.jpg |
hey, just wondering, did you get those steel gears yet? I'm running a similar system in my hyper 7, and had some bad experiences with spur/pinions but im working great now... at first I had a non hardened steel pinion and a plastic spur. the motor came loose, chipped out 2 teeth, but the next time i really gunned it it shaved the spur gear. i put a modded CEN 46t spurgear(cheapest spur i could find) and created the shank-a-ma-pinion! now I'm running all hardened steel, 13/46 and it is honestly no louder than the plastic spur gear! although it may be because of the plastic spacer that it is so quiet...
http://i263.photobucket.com/albums/i...8269147187.jpg the bald spur http://i263.photobucket.com/albums/i...kamapinion.png the shank-a-ma-pinion http://i152.photobucket.com/albums/s...6081722_01.jpg the for some reason super quiet modded CEN spur gear |
Gee, thats a good idea for finding lost screws and such.
im not too sure about the weather stripping. i dont think they even sell tat stuff down here in south florida. hahah ;) althought the center of gravity idea you said really might be true.. and i am still waiting on the parts to get here. i ended up going with RCM's spurs and pinion. i will only hope and pray it all gets here for the weekend and works out. i think DickyT and I will be doing alot of reconfiguring on my buggy and soldering on his new toy. |
I like Hoov's suggestion to just cut off the edge. That would work great for laying down the battery. The only reason not to do that is if you wanted to keep the tray in original condition. If it were me, I would probably just cut it.
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i could care less about keeping it original. i jusy want to it be secure as possible and more so not damage the battery.
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I cut the outside edge off my rcm tray, first bad landing and the front broke too sending my lipo slamming into the front. If you are going to do that then you need a long strap to retain battery front to back as well as 2 to prevent lateral movement.
Sower, your ESC mounting is great, but it will not fit under a buddy shell in that location ;) |
lets take a poll here.. please raise your hand if you think the battery is 100% fine in its location. :)
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update: all works great now. i need to loctite the pinion set screw though. came out twice in 20 min.
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