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Exwhyzee

Super Hornet Ressurection

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Hey all,

Rediscovered my Super Hornet from 20-odd years ago and would like to resurrect it for the small humans to play with.

Opened it up and found that the only thing missing was the speed controller. My thinking is that a budget ESC would out-live the kid's interest in the RC car.

Looking at the specs of the Super Hornet on the Tamiya website, the car has a 27 turn 540 brushed motor, running on a 7.2v NiCD battery.

1) Would an OCDAY Brushed 60A ESC be suitable for my application?

2) Are the brushed ESCs able to be reprogrammed with the brushless programming cards. The abilioty to lower the power specs would make overall control for the kids more enjoyable at first.

3) If the original NiCD battery no longer holds a charge, will a NiMH 7-pack battery be suitable with this ESC?

Cheers,

20171224_103609.jpg

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1. Yes but a Quicrun 1060 would probably be more reliable.

2. Very unlikely. Almost all manufacturers' programming cards are for their brushless ESCs only.

3. The ESC ought to be fine, but a 7-cell NiMH pack won't fit the battery bay. Best stick with a standard 6-cell one. Probably also best to get a modern charger with peak detect auto cutoff as the clockwork timer ones usually over- or under-charge the battery, having no way of checking how full it is.

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I like the 80's camo on the car.  

1) Even 40A would be plenty for a 27turn.  60A would be a bit of an over-kill, but who knows, your child might keep the hobby.  If so, 60A would be good for stronger motors.  

2) For the most part, brushed ESC cannot work brushless motors.  It's not a matter of programming.  From what I understand, ESC needs to have different parts.  What's on the Ebay link simply does not have the 3rd wire for the brushless.  Having said that, some of Tamiya's ESCs have both internal parts.  They come with 3 wires for a brushless motor, and for a brushed motor, you use only 2 out of 3 wires.  

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3) NiCd, NiMH, LiPo, LiFe, all supply juice and they all work.  Just that some ESCs have cut-off voltage, so LiPo would not explode from over-draining.  NiMH is safe.  And the ESC says up to 13v, so 7-cell 8.4v should be fine.   

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I run a Quicrun 1060 with a Tamiya Sports Tuned motor in my one. Seems plenty quick enough for an old banger. 

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Exwhyzee, welcome to TamiyaClub... Are you an Aussie?

1. Any brushed ESC that is designed to be used with a 1/10 RC cars should work just fine in your Super Hornet.. The HobbyWing Quicrun 1060 ESC is a popular choice with many users as they are quite reliable and they are waterproof, which can be useful when kids are involved..

2. If you want to slow the car down a bit while the kids are learning to drive, then you may just find it easiest to just limit the travel of the throttle stick by making a spacer that only allows the stick to travel half way.. The other option is to buy a 55 turn crawler motor and fit that to the car to lower the overall speed... The benefit of using a crawler motor is that you also get a longer runtime from the battery on each charge.. You can buy 55 turn motors made by Axial, RC4WD etc from most hobby shops for about $20 AUD..

3. With everything that you need to get, I would be looking at HobbyKing..

2000mAh 6 cell Turnigy NiMh battery... https://hobbyking.com/en_us/turnigy-stick-pack-7-2v-2000mah-high-power-series-nimh.html

3000mAh 6 cell Turnigy NiMh battery ... https://hobbyking.com/en_us/turnigy-stick-pack-sub-c-3000mah-7-2v-nimh-high-power-series.html

4200mAh 6 cell Turnigy NiMh battery ... https://hobbyking.com/en_us/turnigy-stick-pack-sub-c-4200mah-7-2v-nimh-high-power-series.html

HobbyKing  45A X-Car brushed ESC.... https://hobbyking.com/en_us/hobbyking-x-car-45a-brushed-car-esc.html

HobbyWing quicrun 1060 brushed ESC ... https://hobbyking.com/en_us/hobbywing-quicrun-60a-2s-3s-waterproof-brushed-esc-for-1-10.html

The charger that you have was designed to charge NiCd batteries, and they didn't do a very good job of charging those..  Modern Nickel Metal Hydride (NiMh) batteries are a little more sensitive when it comes to charging, so you may want to consider buying a new charger as well.. The Imax B6AC charger is a popular choice, as it will charge most battery types including NiCd, NiMh, and Lithium batteries... https://hobbyking.com/en_us/imax-b6-ac-v2-charger-discharger-1-6-cells-genuine-au-plug.html

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