Aviator
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Everything posted by Aviator
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After building my first RC car, the rere Hotshot and doing all kinds of stupid mistakes during the build, it was finally ready for some outdoor driving. I've read a lot of complaints about this particular suspension setup and the plastic parts seemed a bit flimsy during build. I even ordered a rebuild kit for dual front dampers for later. On my third battery, the front shock came apart. I have not tried to put it back together yet (its drying on the bathroom floor right now) But I'm thinking I should at least replace the front shock to something more durable. After searching a bit here, the consensus seems to be that the front shock is 78mm. However when I measure center hole to center hole on the plastic parts I get 65mm. Hence it seems I need something like the last picture. Is this correct?
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Today i replaced all Tamiya connectors with SY60. I have 6 charger channels with XT60 connectors and I just don’t want to fiddle with adapters. Besides the Tamiya ones seems a bit outdated, and I just don’t like them.
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After dreaming about Tamiyas in my younger days I finally could start my first build many years later. I am currently building the Hotshot rere after an initial delay waiting for a replacement for the plastic bearings. I only got to section 2 before running into problems. First I could not find B7 to attach the drive gear to the rear gearbox. After scratching my head I found it together with the cage and the battery side guards. Moving on, I am now at the part where the Bevel Gear (MR11) mates with MR13/MR2/MR15/MD2/BD4. When inserting the Bearing (MR2) into the gearbox housing, it does not fit flush and the Drive gear scrapes on the edge of the bearing. I have tried all the MR2 bearings and even my extra 1150 bearings but none of them seems to sit flush in its hole. Could I please have some advice here?
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I see a lot of these motors come with just solder pads? for the phase connectors. I'm totally comfortable with soldering but it just seems like a weak spot on an exposed motor.
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Thanks for your detailed reply Juggular. As I'm new to RC Cars I can only draw experience from the racing drone world. Brushed motors would wear out quickly and often be notoriously unreliable in that application. We did have a race to own the most overpowered and fastest (brushless) drone in the beginning. However a rocket with an insane thrust to weight ratio was **** near unflyable on a track, that requires fine control in level flight. A method to rectify overpowered motors was to limit the throttle curve on the transmitter. We used Frsky radios with open source software that allowed us to limit max throttle to say 75% and then stretch the throttle authority over the full travel of the throttle stick. In that way you also limit the max Amp draw so you could avoid fried ESCs and puffed Lipo batteries. My main objective in the car is to have a reliable no-maintenance motor. I'm not looking for speed. I am so new to RC Cars, that I will most likely faceplant the car in a wall if it's too fast anyway.
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A rere Super Hotshot was under my tree. I am now the owner of both the Hotshot and Super Hotshot rere. A bit of overcompensating for not getting a Tamiya kit in my childhood.
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Hi, I'm new to the forums and also new to RC cars. Back in the 80's the Hotshot was my dream car, but I never got it, until now with the rere. I realize I should have spent more time on research before getting the kit, as my build is now on hold while I'm waiting 6 weeks for replacements for the plastic "bearings" and the pin screws for the wishbones/a-arms. I am now trying to be way ahead by ordering dual suspension rebuild/upgrade parts and a brushless setup now. Suspension upgrade Starting with the front I figured out I need the Super hotshot parts for the stay, BB27/BB28∕BB17∕BB18. However the screws/washers/spacer do not seem to be included. In order to attach dampers I seem to need BA3 screw/BB6 washer/BC11 tube/BC10 spacer/BA7 nut for upper on each side, and BC1 screw/BB6 washer/BC11 tube/BA7 nut (and BB1/BB6 to attach the stay) for lower on each side. In order to get these parts it seems like I have to buy the whole suspension bag for the Super Hotshot, which seems a bit excessive as I plan on not using those dampers. Is there another way? Brushless motor Coming from Racing drones I have a solid aversion towards brushed motors, however I do realize Tamiyas legacy and that these cars originally came with these. But they did replace the mechanical speed controller with an Electronic one and could might as well replace the motor. I've been studying some kits and found a cheap option from Aliexpress: HIINST Waterproof B3650 4300KV Brushless Motor w/ 60A ESC Combo Set for 1/10 RC Car L824 for US$ 28. The description states this is a 4 pole 12 slot does that translate to a 12T motor? And does this whole thing physically fit and is a good match for a rere Hotshot on 2S/3S Lipo setup? Thanks in advance
