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Forum: Power Systems
04-16-2009, 07:12 AM
Replies: 64
Views: 18,005
Posted By BEX

The Esc that I used is the Pulso DLU 60A , no...

The Esc that I used is the Pulso DLU 60A , no BEC.
http://www.rcmaterial.com/pdfs/Manual_ESCPulso_EN.pdf

<O:p></O:p>
Forum: Power Systems
04-15-2009, 06:56 PM
Replies: 64
Views: 18,005
Posted By BEX

My results were very clos too , 36A on the 12x6...

My results were very clos too , 36A on the 12x6 , and 37A on the 10x10.
But with the 10x10 it took forever for the plane to get to flying speed. Luckily i had 200 m of road.
Forum: Power Systems
04-15-2009, 06:20 PM
Replies: 64
Views: 18,005
Posted By BEX

The esc is rated 2S-6S , i ran 5S through it. ...

The esc is rated 2S-6S , i ran 5S through it.
I ordered a couple of props to try get more from the motor , i think the 12x8 will be the ticket.
Forum: Power Systems
04-15-2009, 09:43 AM
Replies: 64
Views: 18,005
Posted By BEX

Hi Glacier Girl , thanks for the input. The esc...

Hi Glacier Girl , thanks for the input. The esc is a 60 A and I ran it at 36A for 30 seconds, and it was very hot , it did not have good airflow , but i cannot see how even good airflow would...
Forum: Power Systems
04-14-2009, 10:34 PM
Replies: 64
Views: 18,005
Posted By BEX

Thanks Ron , will take a bit of time to digest...

Thanks Ron , will take a bit of time to digest everything . I know Cristo thanks to your earlier introduction to SARFLY thanks.
Forum: Power Systems
04-14-2009, 09:45 PM
Replies: 64
Views: 18,005
Posted By BEX

Steve , my problem is that i use a 3300mAh 3S...

Steve , my problem is that i use a 3300mAh 3S lipo , the smallest 5S that I have is a 3000mAh and I want to try get by with what Lipos i have.

Regarding the esc , from what i've read the limit on...
Forum: Power Systems
04-14-2009, 07:49 PM
Replies: 64
Views: 18,005
Posted By BEX

The 10x10 did not give enough thrust for a good...

The 10x10 did not give enough thrust for a good takeoff, I am going to abondon the tests for a while as i realize that the extra weight of my 5S lipos will be just too much , 3S will have to do for...
Forum: Power Systems
04-14-2009, 01:47 PM
Replies: 64
Views: 18,005
Posted By BEX

I did a quick trial on 5S , keeping to 600W . The...

I did a quick trial on 5S , keeping to 600W . The esc was very hot after about 30 seconds, I did not realize that it would get that hot that quick. The motor was warm and it felt like it could be...
Forum: Power Systems
04-14-2009, 05:25 AM
Replies: 64
Views: 18,005
Posted By BEX

I think the key to what Ron is saying is "keeping...

I think the key to what Ron is saying is "keeping everything else the same " .
What Ron is saying is that the force required to spin a prop at higher rpm is will give an exponential curve, so when...
Forum: Power Systems
04-13-2009, 08:34 PM
Replies: 64
Views: 18,005
Posted By BEX

This is a video of the plane that i have it on ,...

This is a video of the plane that i have it on , http://www.rcuvideos.com/video/aerobatic-maiden-met-outtakes-w/theater#theater_title...
Forum: Power Systems
04-13-2009, 07:24 PM
Replies: 64
Views: 18,005
Posted By BEX

Thats the plan Steve , got it from that post of...

Thats the plan Steve , got it from that post of yours tthanks.
did you notice increase in motor heat at higher V?
Forum: Power Systems
04-13-2009, 06:45 PM
Replies: 64
Views: 18,005
Posted By BEX

Reviving this thread because i am at the point of...

Reviving this thread because i am at the point of actualy using a motor rated as 3S-4S on a 5S Lipo. The reason for this is that I dont have any 4S lipos while i have a bunch of 5S lipos.
The motor...
Forum: Power Systems
12-07-2008, 09:43 PM
Replies: 64
Views: 18,005
Posted By BEX

I took this motor and did some experimenting on...

I took this motor and did some experimenting on calculators.
Axi 2820/12 goldline

The following result are interesting , the motor specs are given as 3S-5S

V .........................11.1 /...
Forum: Power Systems
12-07-2008, 05:15 PM
Replies: 64
Views: 18,005
Posted By BEX

That is more a practical thing. With the higher V...

That is more a practical thing. With the higher V of the 6S you need less mAh for the same amount of power , but when you go smaller and lighter that is probable the true.

It is all very...
Forum: Power Systems
12-07-2008, 04:41 PM
Replies: 64
Views: 18,005
Posted By BEX

On an brushless outrunne where the windings are...

On an brushless outrunne where the windings are stationary which eliminates a lot of the problems you mentioned above eflight-ray (http://www.wattflyer.com/forums/member.php?u=4321) , would you say...
Forum: Power Systems
12-07-2008, 10:07 AM
Replies: 64
Views: 18,005
Posted By BEX

OK , but how about a 750 KV 3S motor ? say you...

OK , but how about a 750 KV 3S motor ? say you put that on 6S , the RPM will still be lower than a 1600KV on 3S , so will the bearings hold up then?
And if I prop it down enough to kep A low ,...
Forum: Power Systems
12-07-2008, 08:37 AM
Replies: 64
Views: 18,005
Posted By BEX

Cell count on brushless motors .

Question about cell count for brushless motors.

Just been wondering , what determines the voltage that can be used in a motor.
What will happen if i use 4S on a motor of which the specs says 3S...
Showing results 1 to 17 of 17


 
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