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06-19-2018, 08:33 PM | #941 |
Pebble Pounder Join Date: Sep 2016 Location: SE Mo
Posts: 120
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy |
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06-29-2018, 04:45 PM | #942 | |
Newbie Join Date: Aug 2015 Location: IL
Posts: 31
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy Quote:
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07-22-2018, 08:16 AM | #943 | |
Rock Crawler Join Date: Jan 2011 Location: Groningen, The Netherlands
Posts: 528
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy Quote:
You’re right, of course, I was thinking brushed ESC’s. Reverse-running a BL Stock-spec motor with built-in timing will, however, unpleasantly increase Amp-draw, and càn overwhelm a BL ESC when specced a bit too close to the motor’s amp-rating. (Remember that You’re actually fooling the esc -via the sensor position- into triggering the winding-charge in starting a bit earlier, just like in a brushed motor) For a normal 0-degree Sensored BL motor, there’s indeed no problem. Just reprogram the ESC for reverse running. Last edited by Jay-Em; 07-22-2018 at 08:27 AM. | |
09-28-2018, 05:24 AM | #944 |
Newbie Join Date: Apr 2018 Location: Finland
Posts: 42
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
Quite dead here, it seems... I'm taking out my GOM tonight for a drive. It's been quite a while. Swapped in stiffer rear oils, hoping it'll help a bit with how easily the rear twists too much, causing a front tire to lose contact and thus often making climbing impossible given the front weight bias. I was just wondering if anyone's seen/heard anything about a new front bumper or any else for the cage? I'll need to fix the cage failure at the top at some point. However while that's easy enough since it's not near a joint, the front bumper remains essentially unfixable. Of course I'll also need to fix the gear shifting at some point, but I've been putting it off what with the lack of driving and given how much work it involves - especially since I normally just use the fast gear anyway, even while crawling. |
09-28-2018, 07:55 AM | #945 |
I wanna be Dave Join Date: Aug 2016 Location: Orange County, CA
Posts: 3,643
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
I've been wanting to take my GOM out, just haven't had the time. My next outing I plan to take the GOM and HoBao DC-1 out.
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09-28-2018, 08:14 AM | #946 | |
Pebble Pounder Join Date: Sep 2016 Location: SE Mo
Posts: 120
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy Quote:
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09-28-2018, 09:27 AM | #947 |
I wanna be Dave Join Date: Jun 2017 Location: Humboldt county
Posts: 4,482
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
I'd say the sway bar is a must with this rig. My first impressions after seeing my Brother's Gom were that the axles flop around like an out of control MOA. The Bomber also has the same problems without a sway bar.
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09-28-2018, 10:33 AM | #948 |
Newbie Join Date: Apr 2018 Location: Finland
Posts: 42
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
With 40wt oil now in both primary and secondary rear shocks, it was certainly more manageable. Didn't really experience the lifted front tire thing during one hour of driving - or, at least not the crawling part, at high speeds it'll of course variably happen. The session was then ended by a lost e-clip resulting in a detached rear driveshaft... Anyway, I'm not a fan of sway bars for this vehicle due to looks. I'm shallow like that I had forgotten that the slipper needs looking at. It's just too loose. Way too often I end up stuck at even small obstacles because the slipper decides to prevent any and all wheelspin. Just another thing to add to the "required maintenance" list (if I had one - and I really should). I was lucky not to fry any electronics today, had some very close acquaintances with some water puddles. I'm thinking I should have waterproof electronics just in case, but I don't want a too slow motor. But with brushed it seems a fast motor likely won't have torque for crawling. I'm currently running a 9.5t brushless and the speed is basically perfect, and no lack of torque whatsoever. |
09-28-2018, 11:11 AM | #949 |
I wanna be Dave Join Date: Jun 2017 Location: Humboldt county
Posts: 4,482
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
Well IMHO these only look wrong without a sway bar, almost all of the real things have them in the rear (up front too). To each his own but you sound like you could really benefit from one the way you drive fast, and even when crawling. Flex isn't everything in fact its a hindrance when overdone. And on brushed motors Speed is a non issue with the 2 speed as is torque (or it wont be once you fix your 2 speed), I'm very pleased with the 10T Holmes Hobbies crawlmaster 550. I cant think of a better brushed motor, it has plenty of torque, speed and amazing slow speed start up. Just keep in mind its a 5 slot/stator so a 10T motor is more like a 25T (normal 3 slot equivalent). But if you go brushed in order to get it wet I'd go for the 21T Holmes 550 sealed can, I started out with that motor and my brother also uses one in his Gom, its a great inexpensive motor. You could also try something a bit more extreme in the shocks like diff fluid if needed. Last edited by HumboldtEF; 09-28-2018 at 11:15 AM. |
09-28-2018, 02:35 PM | #950 |
Newbie Join Date: Apr 2018 Location: Finland
Posts: 42
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
Holmes motors aren't really available here and are way too expensive for brushed motors for my liking. On my Komodo I have an inexpensive 35T Etronix and it certainly works fine for that car, far more torque than what the tires can provide in grip. But it really is quite slow. 14-15T are the fastest brushed motors that that particular retailer carries. I suppose I could try one of those on a budget, assuming I can snag another cheap Hobbywing 1080 ESC at a discount during winter. Not much point "upgrading" in a hurry since not likely to drive all that much before snows come, so better to patiently look for good deals even on such cheap products.
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05-12-2019, 01:45 PM | #951 |
Newbie Join Date: Aug 2018 Location: Winter Garden
Posts: 24
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
Could someone please explain the difference between high low and dig( as in how many axles are turning in each mode) Thanks Marc Just finished my GR1 and I'm not sure the three position gearing is working correctly |
05-12-2019, 02:43 PM | #952 |
I wanna be Dave Join Date: Jun 2016 Location: Deep in the Everglades
Posts: 5,818
| Re: Coming soon .....GMADE GOM-GR1 Rock Buggy
Dig locks or unlocks the rear axle as set. Hi /Lo is wheel speed vs torque......high is “faster” Hang up and Drive |
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