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Old 08-09-2017, 01:51 AM
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Chris Pap
 
Join Date: Aug 2017
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Default Rc Fast boat

Hello Guys,

I am very new to rc boats and I need your experience in building a racing boat from scratch.

The specifications are to be about 80cm and to be fairly fast (at least 35km/h).

With a research at the internet I have concluded in the below parts:

Hull:
https://www.thingiverse.com/thing:2450445

Esc:
http://m.ebay.com/itm/80A-Brushless-...%257Ciid%253A5

Brushless motor:
https://hobbyking.com/en_us/turnigy-...___store=en_us

Battery:
http://www.ebay.com/itm/HRB-RC-LiPo-Battery-14-8V-4S-4000mah-35C-70C-DJI-Drone-Helicopter-Airplane-XT60-/112026178570?hash=item1a1547d40a:g:65MAAOSwJ7RYWd1 c

Charger:
http://www.ebay.com/itm/iMAX-B6AC-LCD-Screen-Digital-RC-Lipo-NiMh-Battery-Balance-Charger-EU-UK-US-Plug-/272672419285?var=&hash=item3f7c8aedd5:m:mEpSSL6RT57pEwbGjXe_oyg

Coupling:
http://m.ebay.com/itm/2x-5mm-4mm-Boa...257Ciid%253A14

Propeller:
https://www.thingiverse.com/thing:2123974

RC Transmitter & receiver:
http://www.ebay.com/itm/Flysky-FS-i6...72.m2749.l2649


Note 1: I am going to reduce the pitch of the propeller in order to have a pitch/diameter ratio of 1.6
Note 2: The hull will be printed (with some modifications) with ABS material

Question 1: Please share your comments if all the above will create a good combination?
Question 2: Would you stick on a system like the above or you suggest to alter it with a twin skeg design with two brushless, axis and propellers?
Question 3: Do you have anything to suggest for water cooling or you consider it superfluous?
Question 4: Do you believe that I have to paint and/or apply any coatings at the surface ?
Question 5: Any other comments are welcomed.

Thank you very much!
Chris Pap

Last edited by Chris Pap; 08-10-2017 at 08:56 AM. Reason: Update charger