Livewire's EKOS Build

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  • Chrisg81983
    replied
    Looks good bro I hope she runs good for you the only problem is that your esc's are most likely aren't gonna be up to the 6s task. I would use the t-180's over the sf-200, and if you can spend even a little more get the etti 150 opto's. I have used all three of those esc and I punished the crap out of the ettis.

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  • Livewire121
    replied
    Oh one more thing, I've read every thread on this venom board front to back ten times over. And I've read every complaint, problem, and short coming, to bad Venom doesn't listen to their customers. I really think they've missed the boat on this one!!!

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  • Livewire121
    replied
    I see that Atomic (Venom) are releasing another 34" cat. Oh wait that isn't a new boat, it's just a rebadged EKOS. Same motors, same esc's, same problems. I guess they don't mind missing a chance to improve their models!! And the kick in the pants is, it has no real world licensing fees like they had with the King Of Shaves. You would think there would be a price drop, but know it's listed $30 more then the EKOS!! I had to up grade this thing right out of the box just so I could run with my friends proboats, aquacrafts, and spartans. IMO this is there chance to make this a more competitive rtr....just my two cents!

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  • Livewire121
    replied
    Tks....I can't wait to get her out in the water! Joel I had made some cap banks for the t-120's, hope it helps with smooth out the high voltage demands from these motors?! The caps are low esr 50v 1000uf, 4000uf per esc.
    Last edited by Livewire121; 03-03-2013, 12:45 AM.

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  • Livewire121
    replied
    I still have the original foam that came with the boat.

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  • Rocstar
    replied
    Looks good man. I would used noodles also and if you have an old life jacket, the layered foam inside works well too.

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  • mtbenjamin77
    replied
    use pool noodles they can be easily removed and dried out and or replaced.

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  • Livewire121
    replied
    Well another order came in and I was able to finish the final layout. I still need to complete the wiring, battery positions, rudder/servo setup, touch up paint work, and flotation. I'm still not sure what I'm going to use for flotation though? Either 2 part close cell expanding foam or pool noodles....any suggestions?? 2013-03-02 14.07.11.jpg2013-03-02 14.06.40.jpg2013-03-02 14.04.23.jpg2013-03-02 14.04.06.jpg2013-03-01 19.38.00.jpg

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  • Livewire121
    replied
    I might have to save my lunch money and step up the esc's to 200 amp swordy's lol or maybe a pair of Navy Race 150 Optos
    Last edited by Livewire121; 02-26-2013, 12:13 PM.

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  • Rocstar
    replied
    The motors should be fine, it's the ESCs. If set up correctly 5s could put you in the 60mph range, I would run 6s for SAW only and keep the props reasonable as I think you'll be over the ESC current limits and any extended runs could let the smoke out.

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  • Livewire121
    replied
    Originally posted by Rocstar22 View Post
    Looking good....The lights are a cool touch. 6s is a pretty hot setup for those motors in the EKOS. I think your pushing the limits of the T-120 ESC's also. That boat would rock on 5s with x442's IMO.
    Thanks about the lights. Last season my Leopard 2860mm 2190kv motors handled 6s no problem. I thought by going down in the kv these motors would have handled 6s even better? I never had heat problems with the smaller motors, do you think these motors will pull very high amps?

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  • Rocstar
    replied
    Looking good....The lights are a cool touch. 6s is a pretty hot setup for those motors in the EKOS. I think your pushing the limits of the T-120 ESC's also. That boat would rock on 5s with x442's IMO.

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  • Livewire121
    replied
    I was going to pickup some 45mm 1.8 pitch 3 blade props for my Leopard 2860 2190kv motors, before I got my ARC 3665 2080kv motors. I just checked the speed calculator and it says the boat should reach 94mph on 6s with the ARCs!! Is that right and how accurate is it?!

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  • Livewire121
    replied
    Oh yeah I also added sponson water pickups, that was no fun at all. I've got some touch up paint work to do at the end of the build.
    Attached Files

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  • Livewire121
    replied
    After I finished the hatch, some of my parts came in. I removed the red anodizing and polished the venom parts. After these pics I trimmed the battery trays, took 1/8 off each side. So I can get the batts as low as possible and so I could carry bigger packs. Here's the mock up of the final layout. I epoxied in the motor mounts and servo tonight.
    Attached Files

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