Motor and prop question

[Cro Magnon]

Ohoi there!

I have been upgrading my sons little balaenoptera musculus toy boat with some new hardware. I bought this cheap ebay sea monster 2845 2700kv motor which i ran on 4s with a 32mm propeller. The boat went crazy fast, but just when i started to be able to control it after some adjustments, the motor burned.

Now, i wasn't expecting much from the motor, and certainly not that much speed and i have bought a leopard 2860 2730kv motor thinking it will hold a little longer. Am i right? and do you think it will be able to turn a octura 1930 prop (30mm 1.9 pitch)?

Thanks

[martin]

The 1930 prop is a high lift hydro prop, not really suited to mono v hulls. your better using an x series prop.

[ray schrauwen]

The Leopard should hold out out much better than the sea monster motor, just watch the temps every minute or so on your first runs.

Sea monster is a very, very inexpensive 2 pole motor while the Leo is a 4 pole with longer rotor to dissipate the heat better. It (Leo) will need a water jacket.

[dasboata]

I have some 30 MM props I can send you for $10 each they are all raw props the 1400 series have less lift

[Cro Magnon]

I have some 30 MM props I can send you for $10 each they are all raw props the 1400 series have less lift

I have some 30 MM props I can send you for $10 each they are all raw props the 1400 series have less lift

Thank you, but i'm good. I've bought a bunch of plastic props so i can try different sizes and shapes and hopefully i will learn something:)

Also, i find this extremely addictive so i ended up ordering one of those Tfl Rocket boats. I don't know why but it seemed like good place to start. I haven't been interested in RC toys since i was i little boy, before i bought my son this Musculus boat so we could get some more variation to the outdoor activities and now i am hooked.

[iop65]

i had a leo 2860 2910kv in a higly moded thunder tiger outlaw jr (kids and I loved it, sad thing i sold it)
3s : 38 mm cnc prop got ,barely warm

would not use the 2700 on 4s in a mono for boating around;you would need very small props (would have bought a lower kv motor if you wanted 4s)
better/more effective to use 3s and a lager prop

it's not so difficult to remove one cell from your 4s lipo's , just have to buy another balancerconnector and half an hour work will do the trick

[iop65]

just read that you have bought a rocket
check the hull
guy i know had one :hooked hull ;troubles!

[Cro Magnon]

Thanks for the heads up! Hull looks great, and i've tested it with the stock motor and i handles great. At least in comparison to the musculus:) I am a newbie after all. I'm going to upgrade the motor to a TP Power 3630 2100kv (on 4s), but not sure what prop i will be using. I am thinking maybe a 38mm, but i'm open for suggestions. Don't want to ruin a expensive motor over my greed for speed I'm guessing i have to replace the stock ESC too. The motor specs says max 65amp and my ESC is 70amp.