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Search: Posts Made By: mumtaz
Showing results 1 to 21 of 21
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Forum: Brushed/Brushless motors, speed controls, gear drives
03-21-2005, 03:22 PM
Replies: 8
Views: 1,166
Posted By mumtaz

RE: HEELLLPPPPP MY 05 Cobalt stinks!!!!

just change he prop 15 by 10 and you will be fine. your superbox is good and will give you superior thrust.
Forum: Brushed/Brushless motors, speed controls, gear drives
03-21-2005, 07:57 AM
Replies: 8
Views: 1,395
Posted By mumtaz

RE: TWIN AXI 4130/20 Battery options?

let me get this you are using the motors in series??? because that is what i understood. obviously you meant the batteries i series. some controller manufacturers allow use of two motors in...
Forum: Electric General Discussion
03-20-2005, 03:17 PM
Replies: 15
Views: 1,007
Posted By mumtaz

RE: throtle cuts off on superstar ep

what motor, prop and esc ave you got. you may be overheating the esc and you are lucky it has not burnt out.
Forum: Electric General Discussion
03-20-2005, 03:14 PM
Replies: 1
Views: 508
Posted By mumtaz

RE: I Need HELP!!!

your problem is most probably the aileron servos and especially their leads.
you can use special chokes placed on the aileron wires near the receiver.
these come in different guises. some are...
Forum: Electric General Discussion
03-20-2005, 03:07 PM
Replies: 6
Views: 571
Posted By mumtaz

RE: Battery help!!

are you saying you have one connection to your battery?? what type of connection (is there a red wire and a black wire??)

if you have just one connection then this connection is for charging...
Forum: Twin & Multi Engine RC Aircraft
03-20-2005, 02:46 PM
Replies: 3
Views: 735
Posted By mumtaz

RE: 14-8 Three blade counter-rotate ?

what is the weight of your goose??? to axi 4130 do not make two 120 ic.

your idea of couterrotating props is good! this is where electric motors excel.
Forum: Brushed/Brushless motors, speed controls, gear drives
03-20-2005, 02:42 PM
Replies: 8
Views: 1,395
Posted By mumtaz

RE: TWIN AXI 4130/20 Battery options?

you cannot use a battery in series with two brushless motors as you need two controllers

therefore you must use two packs and two controllers.

even with your 5s packs you must use a...
Forum: Brushed/Brushless motors, speed controls, gear drives
03-20-2005, 02:36 PM
Replies: 8
Views: 1,166
Posted By mumtaz

RE: HEELLLPPPPP MY 05 Cobalt stinks!!!!

I have just run your motor gearbox combination in motocalc and wold advise as follows:
assuming your box ratio is 4.33:1 then your best starting prop should be 15in by10 in which would draw under...
Forum: Brushed/Brushless motors, speed controls, gear drives
12-03-2004, 01:03 PM
Replies: 2
Views: 3,013
Posted By mumtaz

RE: Speed controller for Robbe EF 76-II motor

this motor is a very old motor. the last one i had was bought 25 years ago!!!
direct drive maximum amps 20 static with 8 cells
if it has the orange robbe gearbox then 10 cells and max 20 amps...
Forum: E-Flight Power Sources
09-06-2004, 04:36 PM
Replies: 8
Views: 1,652
Posted By mumtaz

RE: How to attach leads to batteries?

do not put them in the freezer whtever you do.

it is not the wattage of the iron that matters but the size of the head. Wait for the head of the iron to heat up properly!! I always use a small...
Forum: Brushed/Brushless motors, speed controls, gear drives
07-22-2004, 06:20 PM
Replies: 2
Views: 544
Posted By mumtaz

RE: naive question about brushless motors (+)

there are many quality motors on the market. Hacker, Plettenberg, kontronic and Model Motors are just four of the best.

You semm to be new at this. If so then your best bet is Model Motors as...
Forum: Brushed/Brushless motors, speed controls, gear drives
07-22-2004, 06:10 PM
Replies: 3
Views: 504
Posted By mumtaz

RE: Does anyone know if these can be swapped ?

reduce the prop size on the endoplasma until you get about 25 amps max static current.
Forum: Brushed/Brushless motors, speed controls, gear drives
07-22-2004, 06:07 PM
Replies: 2
Views: 603
Posted By mumtaz

RE: can i turn my brushed esc into a brushless one?

i am afraid you cant change a brushed motor controller to a brushless.

the cheapest option is to buy 4 brushless controllers. Remember to disable the BEC in three of them.

the next...
Forum: Brushed/Brushless motors, speed controls, gear drives
07-22-2004, 05:59 PM
Replies: 7
Views: 1,872
Posted By mumtaz

RE: Multiplex Permax 280 BB

no!!! you rotate the endbell opposite to the direction of rotation
Forum: Brushed/Brushless motors, speed controls, gear drives
07-22-2004, 01:19 PM
Replies: 9
Views: 1,020
Posted By mumtaz

RE: amp meter

The best bet for you is one of two ammeters specially made for electric flight. The best is the asto flight power meter which gives amps, volts, watts and mah. i.e. it tells you the current (up to...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-22-2004, 04:40 AM
Replies: 2
Views: 727
Posted By mumtaz

RE: Speed 400, what is max current?

first of all you must specify which speed 400 it is. The best one for 6 or 7 cells is the 6volt model.

The maximum current if you want 10 to 15 flights out of it is 12 Amps.

There is an...
Forum: Foamies! - RC Electric Foam Aircraft
04-19-2004, 06:10 AM
Replies: 11
Views: 10,068
Posted By mumtaz

RE: Can EPP foam be covered with heat-shrink covering?

there are two major kinds of foam both called by hobbyists EPP. One is Expanded Polystyrene and the other elapor (Multiplex)

EPS can be covered as outlined by others with a low temperature...
Forum: Foamies! - RC Electric Foam Aircraft
04-19-2004, 05:58 AM
Replies: 2
Views: 2,664
Posted By mumtaz

RE: Ripmax Alienator! Electric or Nitro?

i am building an electric lightweight alienator. I am going very light as featured in one of our British magazines. the author claims he flew it with a 480 and 1050 mah cells and that it was a...
Forum: Foamies! - RC Electric Foam Aircraft
04-19-2004, 05:52 AM
Replies: 4
Views: 717
Posted By mumtaz

RE: Projeti

dont go brushless!! Any brushless motor is too much for the airplane. It flies like a rocket with a 480. There is a new 480 motor being sold in europe by jamara which needs a smaller prop but is...
Forum: Foamies! - RC Electric Foam Aircraft
04-13-2004, 01:52 PM
Replies: 4
Views: 717
Posted By mumtaz

RE: Projeti

I have four projetis and they are a dream to fly. i would suggest a 480 motor and Graupner speed prop with a graupner adaptor.

The prop can be 5X4.3 0r 4.7X4.7

minimum 8 cells I use Kan...
Forum: Brushed/Brushless motors, speed controls, gear drives
03-25-2004, 09:02 AM
Replies: 7
Views: 839
Posted By mumtaz

RE: AXI2820 help

i would say that it is better to buy the 2820/10 as it is more versatile. It would take 12 cells but better on 10 cells as it gives better thrust to power ratio. it is more verastile because you...
Showing results 1 to 21 of 21


 
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