bicketybam
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- New Milford, CT
- Arrma RC's
- BigRock 4x4
- Granite
- Infraction
- Kraton 8S
- Kraton 6s
- Kraton 4s
- Mojave
- Notorious
- Talion
- Typhon 6s
Rather than do a big post with 3 long quotes that'll make this even longer, I'll just answer everything between my last post.
I mostly tune turbo imports but have recently jumped into the modern v8 world since they all now use similar technology the imports have been using for a while like variable cam timing on dohc motors. Ive used a few different softwares over the years on various cars from stock ecu's with flashing capabilities like hptuners or dsmlink to full standalones like megasquirt and proefi. Ordinarily I would agree with you that I probably wouldn't tune an RC much but in this particular case I would be searching for that balance between breaking everything and how much power I could get down with 4s (which now seems to be similar power to 3s at best) so I feel like it would be a guess and check scenario in the "tune" for a while. It's pretty interesting reading your post about racing them though as that's not the outcome I would expect from my ignorance to the RC world. The extra weight will definitely be something I need to be thinking about lugging 2 batteries around.
I have "upgraded" shocks to the cheap Chinese aluminum specials and tried a few different oils in them. I haven't really had enough speed to take advantage of them yet I think but just running around my yard on some rough terrain I feel they're pretty bouncy. I've tried different springs and just really can't find a happy medium. I also don't jump much or anything like that because I really don't have the speed to test a 4 ft drop on the shocks. I also don't have the adjustable suspension that the Blx has so it's hard for me to get too much advantage out of them as when I raise the car the toe gets all out of wack. I do plan to explore more options no doubt.
The dual rate receiver sounds exactly like what I planned to do with esc tuning. with the amount of changes I intend to do, that may be a smart route to take due to the fact that I can make changes on the fly. Thanks for that suggestion!
I am at a stage right now like I see in the car world all the time. People get on YouTube or read forums and see people making 800-1000 horsepower and see a few pulls on video then think that's what they want. I regularly have to explain to them that it's not even remotely practical and try to convince them to build a 500 horsepower car first. Typically when you ask them what the fastest car they've ever ridden in they'll say something like my uncles corvette and it's typically a stock 3-400 hp car. That's where I'm at here. I see a lot of cars doing 50+ mph on video for 3 minutes and I am interested, but I understand that that is more than I have ever come close to experiencing and I plan to purchase parts and respect the power accordingly.
Don't let the fact that you have two 2s batteries be the driving force behind your modifications. You are going to end up needing new batteries at some point - they don't last forever. You can build a 3s Granite that will go 65 mph. You don't need 4s for that. It's much more practical to build a 2s/3s rig than a 2s/4s rig.
There is a spreadsheet you can download that will calculate top speeds based on ring, pinion, and differential gears along with tire size, motor Kv and number of battery cells. It was created by BoloSpeed. See if you can google it. I'll see if I can find a copy for you as well.