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[wlr]

can anybody help I am going to be building a fireboat like the old aerokits versions,but from a kingston mouldings hull. going to be the 46" hull.unlike the old aerokits single screw this will be a twin screw as per the prototype. now I have 2x mfa 850 motors spare does anybody think this is a good choice to power the model ????  any thoughts would be most welcome

[dougal99]

I have an 850 fitted in my Sea Queen, which is 46" long. It performs very well getting up on the plane with ease. So two should be most satisfactory. 

Doug

[Proteus]

should be OK but build it as light as you can and use nicads, there are some on  http://modelfireboats.com/  that may help you, and there are some posts on this site if you search under fire boat.


Proteus


http://modelfireboats.com/

[debssnal]

Hi re your fireboat
Motors 2xTornado Thumper 4240 Brushless motor - 540 watt motor, 900 kv. @ £27.99 each
Link for motors  http://www.overlander.co.uk/categories/default.asp?cid=10&scid=82
ESC'S 2X 
Programmable Brushless Car ESC XC60A Continue with BEC
Link for ESC'S  http://cgi.ebay.co.uk/Programmable-Brushless-Car-ESC-XC60A-Continue-with-BEC_W0QQitemZ260273684761QQihZ016QQcategoryZ34056QQtcZphotoQQcmdZViewItem

You can run on gel cell or nimh ok

You can use 4 bladed scale props ok

MFA 850 are power hungry and weigh 500g each
this brushless set up will give you a lot more power, aong running time

Kind regards
Alan