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looks fantastic!!
but you should think about a slipper clutch. not because of the drivetrain, which looks solid, but the plastic teeth of the plastic-main-gear (dunno the word in english). I had that problem in my overpowered 1/10 buggy. when you jump and the buggy is landing, even with no throttle, it happend that the theeth just got "shaved" away (delrin). I think it was due to the mass inertia/torque of the motor. sure, I'm an average skilled driver, but that won't happen with basic motors. |
Looks awesome man! :great: It has that "I just hit a deer on the highway" look..... :lol: Really though, I've seen worse.
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I think it looks brilliant. Shame about the front end though. Will the heat from the battery pack be able to escape? As air is a pretty good insulator, or so what my days of GCSE Physics has told me.
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Florianz, I can see where you're coming from, but there's no provision for putting a slipepr on the Havoc unfortunately; just wasn't designed with it in mind. It shouldn't be a problem though. The spur is Mod 1 glass-fibre reinforced composite, so should stand up fairly well. And if it does strip, it's easy to replace.:yes: SuperBasher, that shouldn't be a problem. The lexan case isn't airtight by any means anyway, but the pack shouldn't get anything above a little warm, being rated for 175A constant. I'll keep a close eye on it in the first couple of runs, but should be alright. Thanks again for the compliments guys, really appreciate it! I just got the MMM all soldered up with its motor plugs and deans, as well as the battery. Plugged 'em both in, and all's good so far. It's one of the few V1s still hanging around, but it has the new case and firmware...so I'm *hoping* it'll last well. Should do. Next and final stop is the motor...:party: |
Looking good.
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Liking that alot, that breeze-block of a lipo pack fits very nicely in the tray. You could make the velcro straps work by finding a longer piece of the double sided part and fitting that instead of the normal one (fuzzy half its length, hooks the other half). Unless you've already sorted it in which case please disregard my idea.
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Cheers guys. Thanks for the tip Neil, but I've already got it sorted. I just bought some 20mm-wide velcro strapping (hooks one side, loops the other), cut it to length and used that. It's a bit less elegant than proper battery straps, but should do the job perfectly well. :smile:
In other news, the ESC plate is basically done, and the MMM is all calibrated to my radio. BEC is also solid so far...not that it shouldn't be with the new firmware, but I have a knack of getting duff items lol. Kicking out an exact 5.50V. The only thing that is puzzling me slightly is the fan. I know that with the V1 it'll stay on permanently (a good thing IMO), but I've noticed it takes time to build up speed each time I turn the ESC on. I'd usually think it was just the fan motor bedding in, but they're usually brushless themselves. It's no problem obviously, I'm just wondering if it's normal. Anyone else experienced this? |
Yep, my fan on the V1 does the same thing. Not entirely certain, but I think its capacitor related- if you turn the esc on when the main batts are removed, the fan will run for a split second as it discharges the caps, so they must be on the same circuit as such.
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Cool, thanks Neil.:yes: I thought it probably was nothing, but just seemed like a strange little quirk. Incidentally, I just finished getting the MMM mounted up on the chassis, and believe me...it's going to be a *tight* squeeze once the motor's in there! It's one cramped chassis...:oh:
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Wow, this thing is really sweet! Can't wait to see it finished!
Any pics of the MMM mounted up? |
Thanks Krawlin!
At your special request, I took some pics of the mounted MMM lol. They're a bit rubbish because I had to take them inside, as it's bucketing down with snow outside. It did need a bit of lateral thinking to make space to mount it, though: http://img.photobucket.com/albums/v6...r/DSCF0249.jpg http://img.photobucket.com/albums/v6...r/DSCF0250.jpg http://img.photobucket.com/albums/v6...r/DSCF0254.jpg And the Nomadio Transceiver. I opted to shop the servo lead short as it's right next to the transceiver, which gets rid of a load of messy wiring: http://img.photobucket.com/albums/v6...r/DSCF0251.jpg The ESC plate is just a bit of 3mm aluminium, which I mounted on the left side of one of the inner rear hingepin brace. I'm just using slightly longer screws which go through the brace as normal, but then thread into the plate which places the ESC just above the bottom motor mount plate. Maybe not the most elegant solution, but does the job! The only issue is that once the motor's installed, it'll be within about 2-3mm of it which isn't ideal with the radiated heat...but there's nowhere else to put it. There's also not a whole lot of gap between in and the wishbone when it's compressed, but that should be ok. I might knock up a lexan dirt guard. I'm just *busting* for the big C to release their motors individually now!:whip: :great: |
Man that setup should totally haul. I had a brushless 540 conversion of the rascal which is basically a scaled down replica of the havoc and even on a low voltage setup I was still reaching some amazing speeds and had some killer torque. Ive heard the havocs are light aswell and that they are quite durable. So that setup will be killer and the MMM should stay ice cold. So what motor do you plan to run? Sorry I skimmed.:whistle:
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Wow, talk about a cramped layout! Looks great though! Cant wait to see a video of it running.
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Yay!!!
It's been a long time waiting (thankyou, ParcelFarce), but the motor has arrived, and she's all ready for her first test run.:party: I knew exactly how big the motor would be, but this is the first Neu-based motor I've ever bought...and blimey. This thing is a beast! Takedown, it's the 2200kv CC-Neu. :) http://img.photobucket.com/albums/v6...r/DSCF0267.jpg http://img.photobucket.com/albums/v6...r/DSCF0262.jpg It has very little endplay - maybe about 1mm - which is good, and the whole casing is very nicely made. It just feels solid, and looks beautiful in person. The only issue I had mounting it was with the pinion. Because I've had to go with an 11T pinion, the "troughs" of the pinion teeth are sunk-in to the shank of the pinion. I hope that makes sense. Because of this (and because the grub screw also sticks out a little), when I mounted it the normal way, the grub screw was interfering with the spur. The only way round I've found is to reverse the pinion and have the grub screw right on the end of the shaft. Not ideal, but it's a fairly light truck, so I can't see there being any shaft breakage issues. The pinion and spur are *seriously* noisy, though I'm hoping that'll quieten down after a run or two. Anyhoo, on with the pics: http://img.photobucket.com/albums/v6...r/IMGP0445.jpg http://img.photobucket.com/albums/v6...r/IMGP0446.jpg http://img.photobucket.com/albums/v6...r/IMGP0448.jpg http://img.photobucket.com/albums/v6...r/IMGP0451.jpg http://img.photobucket.com/albums/v6...r/IMGP0453.jpg I just can't wait to drive this thing! I haven't driven a single RC in over 8 months, so I'm bursting. I'll try and get a vid if I can. Unfortunately the wheelie bar I ordered isn't here yet, so I'll have to be mighty gentle on the throttle...but then again, the lid's gonna get wrecked anyway lol. I'll let you all know how I get on once I'm back.:yipi: |
That should work I guess.... I wouldn't hope for more then 30 though.:lol:
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