SupraChrgd82
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Posts posted by SupraChrgd82
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Ya got a pipe wrench in the garage?
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It will accept either a standard or lo-pro servo
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I suggest a heatsink (either Tamiya or Yeah Racing) if you are going to use a brushed motor. The motor is shrouded by the chassis and doesn't get much airflow.
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Weeeeeeellllll, look who’s back!
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She cleaned up nicely! Stunning resto!
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In my small fleet of 4 Legendary series cars I followed Tamiya's premise for kit-supplied electronics. I wanted to keep it brand-specific as well. Tamiya's offerings in kits is the silver can 27t and TLBE-02; Kyosho's equivalent at the time of release of the Legendary kits is the Perfex line of electronics. The Perfex stuff is all middle-of-the-road quality, not Chinese garbage, nor precision raceware, just simple brushed no frills reliability. Most of, all the components have the matching Kyosho branding.
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Put ‘er back together some
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Got me an Element Knightrunner and immediately disassembled it.
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Did you inadvertently bump the throttle trim?
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The Pro set up sheet is biased toward asphalt more-so than the Sport instruction manual. I initially set mine up as the instructions show, then began adjusting in the direction of the Pro set up sheet. Adjustments did yield better handling, particularly the soft damper oil and removal of the rear sway bar (I run on smooth dusty asphalt). I had not gone the full direction of the Pro sheet, as I had no idea that the upper tie rod mounts could be flipped amongst other adjustments.
Here’s my theory - Tamiya M-chassis are directed towards the average person to drive on common substrates such as parking lots. 3racing is a more race-oriented kit geared to people who visit tracks with prepared surfaces, so the baseline is a track set up. In mimicking the set up I observe in the Tamiya kits I have found that the Sport handled a little better with each adjustment. Unless I crash into trash cans; that didn’t help me any.
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Yeah, I’m not sure about covering the chassis cut outs either. Mine are left open.
Regarding tuning, it sound like we are both running on asphalt. The factory set up is geared more toward carpet (or a smooth high traction surface). Both the Pro and Sport are virtually identical, so that set up sheet is a brilliant place to start. The positions indicated in the sheet are indicative of all the other online tuning guides. I’ll definitely re-fit all the bits on my car to the positions shown in that set up sheet. Thank you, M800STD!
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It could keep the chunks out. Or it could trap the chunks in.
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I’m quite interested in seeing your tuning results. My car has never been dialed in completely, just slowly improving.
The first M-chassis I drove was the M07R which is absolutely spectacular. It’s very neutral and supremely predictable. It is the basis for which I compare the M4 Sport. In theory the 4wd chassis should be superior, but I’m struggling with it.
My M4 currently has YR click-adjustable dampers with Tamiya soft oil, all on the M4 OEM springs and softest setting. The tops are mounted in the furthest inboard holes. The rear sway bar is removed to gain more rear traction, front sway bar has ends all the way out for minimal tension. Tires are Tamiya M-grip, also tried the Tamiya/RIDE SC-36M set. There’s -1 degree camber on all corners and 2 degrees rear toe. The motor is a 17.5t HobbyWing brushless. I’ve replaced most of the steel components with Al and Ti to lighten it up even though it has a NiMH pack.
Cornering traction is nominal so I’m continually trying to find more grip on the asphalt. Oversteer is somewhat inconsistent as is rear kick out.
Quite eager to hear of every else’s trials and tribulations with the M4…. -
It's not distain on my part.
I could say that reliable electronics are my means to prevent crashing an already aging car, but I admit that I have become spoiled by glitch free radio gear and fully proportional speed controls.
I do still use only NiMH batteries, if that's worth any redemption...
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Had one about the time they were new. It was a joy to drive, particularly the Porsche with a rear motor. I sent a photo to TamiyaUSA and won Reader’s Rides one month. The prize was pink cable ties and some giant Tamiya decals that Mongoose now owns.
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The first round of goods received for an Element Knightrunner build...
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17 hours ago, alvinlwh said:
Opps, thanks for the correction. Editing now.
Will probably need a new carrier, I think I stripped one, or maybe superglue can fix it. Or do you know if SAK-U420 (or the other number of teeth ones) will work?
I believe SAK-U421/V3 is the direct aluminum replacement for the center pulleys, as they are the parts used on the M4 Pro model. I couldn't say if the change to alloy over plastic is worth the increase of rotating weight.
Regarding the stripped carrier, you may be able to add a thin coat of epoxy to add material back to the hole. There's no load on the screw, so it's not too critical that it snugs up tight; it just has to prevent the carrier from rotating. That's one component I was waiting for in alloy. About a year ago they had their parts page with a "coming soon" description for aluminum carriers for one of the Sakura cars that would also fit our M4's.
I just noticed that 3racing updated their website. Cross-referencing parts will be more challenging now. From what I had found, they have roughly 3-4 designs used in the touring cars, with different combinations of those designs used in various models. If you need other part interchangeability info, I can reference my ebay purchases for P/N's.
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Spool the front, diff the rear. And be very gentle with the tiny bolts that hold the bearing carriers, hey are easy to strip.
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Fun cars, they are. The plastics are a bit brittle; I suggest purchasing parts SAK-M4P17 and SAK-M4P18. If it will be driven outdoors on asphalt, it would also benefit you to look for the softest damper springs you can find to increase traction.
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If I am not mistaken, the plastic is ABS. ABS pipe cement for plumbing can be used to build up the material. I had repaired my childhood Hornet several times using ABS pipe cement by adding pipe shavings to the cement and filling the damaged parts with the mix...
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The bluing on the header is spectacular. Can you describe your process?
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BEEEEEEEEEEE-UUUUUUUUUUUUU-TEEEEEEEEEEE!!!!!!!!
So, What Have You Done Today?
in General discussions
Posted
Sprayed the flares and bed with bedliner and mounted the Club5racing chase rack on the Knightrunner. Tomorrow I’ll make an attempt to mount the roof luggage rack in straight. It’s almost done…