Cookies used in this website are gluten free, wheat free and dairy free. By using this website you agree to our use of cookies. More Info
Login Below
Join Us On Social Media!
Get The Model Boats App!
Apple App Store
Android app on Google Play

Help Support This Website
or enter custom amount

(Non Contributor)

Help support this free
website and donate.

£285 a year is needed to keep the website and apps online. Please consider donating £5 or more to help towards these fees.
All donations are securely managed through PayPal. Amounts donated are not published online.

Many thanks for your kind support.

Model Boats Website Team

Donation History
February 2019: 6 people
January 2019: 16 people
December 2018: 6 people
November 2018: 11 people
October 2018: 9 people
September 2018: 13 people
August 2018: 5 people
July 2018: 8 people
June 2018: 8 people
May 2018: 7 people
April 2018: 11 people

Unique Visitors This Month

Website Members

Terms and Conditions
Privacy Policy

Model Boats Website
Active Users (22)
Login or Register
To Remove This Ad

Login or Register
To Remove This Ad
>> Home > Forum > Electrical Related > Propeller for brushless
Propeller for brushless
Author Message
(Fleet Admiral!)

Forum Posts: 29
5th Apr 2018 18:36  
>> Permalink

Senseless Brushless 2650KV Motor running on 7.4v for 5-6 mins
racing consumption need to be around 35A (3300mah battery)

0.0225 ohms coil resistance not relevant when running.
18Vmax will be running at 7.4v
1.4A off load current
52A max current

I am looking for a start point, I was hoping a 35mm 1.4 would be ok ?

Thanks .

Would like suggestions of propeller size diameter / pitch.

(Fleet Admiral!)

Forum Posts: 133
6th Apr 2018 00:34  
>> Permalink

A 2 blade 32mm x 1.4 pitch would be closer to the mark.
That's what my Hobbyking outboard has with a 3000kv motor, but, it's now running on 3S 2650mah.

(Fleet Admiral!)

Forum Posts: 29
6th Apr 2018 07:00  
>> Permalink

Thanks Cannabis, for the information I have noticed that brushless motors seem to run better on smaller propellers. than brushed direct drive.

(Fleet Admiral!)

Forum Posts: 133
6th Apr 2018 10:22  
>> Permalink

Hi CB90
I totally agree with you on that, they like to rev !!!