First off, welcome to this forum. There is a ton of info here, can't tell you how many hours I've spent reading through the various sections & threads in them. Like you, I have working with R/C trucks for over 4-years (that's why I have a car program card), but true performance boats are a whole new ball game.
I was taking the pix for posts 21 & 22, but it's so time consuming that by the time I was done & ready to post Pedro had already beat me to the punch when he announced that he had succeeded in programming the ESC with the card. Now thanks your post we know the new Dynamite ESC's can also be programed with the transmitter as well as the HobbyWing (& clones) program box(s).
I would like to offer a suggestion for the cooling lines... the one from the transom should go to the ESC first, then the horse shoe hose, then out of the ESC to the motor, out of motor goes to the side of the boat. I modified your pic best I could & attached it to this post, it's rough but I think you'll get the idea.
Can anyone recommend me a good esc and motor combination... Personally I don't see anything wrong with the ESC you have now. Next step would either be the Seaking 180 or one of the more expensive marine ESC's like Etti, Hydra Ice and so on.
As far as motors go... I got MG29v2 on Jan 16th, asked BHChieftan for one of his setup guides for that boat. In addition to the guide he offered very good advice.
Here's his reply... "The Miss Geico is actually my favorite RTR cat out there. I prepped one for my son who races it in p-limited offshore-- he beats folks running the stock blackjack."
note: MG29 comes with 1500Kv motor - blackjack has 1800Kv motor.
Chief went on to say... "I tuned an x642 prop and blueprinted the sponsons and
on 4S the boat is nearly 50mph on the 1500kv motor!"
Hey Greg... think you'd be happy with a great handling boat doin 50mph??
Here's what 46mph looks like...
https://www.youtube.com/watch?v=VbyiTND5IkA -
not sayin that your a dumb kid, just providing some food for thought.
Yeah I know, everybody & his brother (except for me, Chief & a few others) are all hung up the 6S thing. Well guess what?? It's a bunch of Traxxas BULLS**T!!
If you want a fast boat work on the setup like Chief said. That guy knows FAR MORE about R/C boats than I do. I was (
note: past tense) going to put the 1800Kv motor from my IM31 into MG29,
not now. 1500Kv on 4S with a Octura x642 S&B'ed prop + Chiefs strut mod from the setup guide.
Welcome to the wonderful world of R/C boating, it's addicting as all hell. But they are so completely different then R/C anything else. There are so many variable's (just in the prop alone), now add in all the other stuff.
Here's some good reading...
http://www.fastelectricboats.co.uk/fe_manual.php - this one is prop specific...
http://rcraceboats.webnode.gr/news/gas-prop-essentials/ - I know it says gas props, but the concepts apply to all of them.
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