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« Reply #50 on: December 04, 2014, 07:59:25 PM »
sanjayrai55
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Don't wake a Tiger until you've factored the teeth



"servoelectronics@rediffmail.com
To   me 2 Jul 2013
Dear sir,
Yes have 775 motor also but 12v-10000rpm
Thanks
Harish ahuja
Sent on my BlackBerry® from Vodafone"


Old email from him

And another from VC:

Vikramaditya Chaudhury
To: "servoelectronics@rediffmail.com" <servoelectronics@rediffmail.com>
Sent: Thursday, 27 June 2013, 20:33
Subject: Re: Price Quotation

Dear Mr. Ahuja,

Please note the orders:

For despatch to Gurgaon:

1 Unit Size 555 12V / 18000 rpm motor @ Rs.350/-


For despatch to Guwahati:

2 Units Size 555 12V / 18000 rpm motor @ Rs.350/-

1 Unit Boat Propeller + Shaft kit (2 pcs prop, 2 pcs connector / coupling, 2 pcs brass tube, 2pcs propeller shaft) @ Rs.250/-

2 Units Size 385 motors @ Rs.150/-

Please let me know the amount that has to be deposited into your account. Please note that there will be two payments - one from Gurgaon and one from Guwahati - so please let me have the amounts separately inclusive of taxes and courier charges.


Regards,
 
Vikramaditya Chaudhury
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« Reply #51 on: December 04, 2014, 08:00:55 PM »
VC
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L'enfant Terrible du RCIndia



Bingo!
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« Reply #52 on: December 04, 2014, 08:01:03 PM »
sanjayrai55
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Don't wake a Tiger until you've factored the teeth



You would of course have to buy a brushed ESC separately (although I think a Brushless ESC works on a Brushed Motor - not vice-versa though)
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« Reply #53 on: December 04, 2014, 08:03:06 PM »
sanjayrai55
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Don't wake a Tiger until you've factored the teeth



And I thought that I was the only one who started fights....................keep it up guys! Giggle Grin


Who's fighting? Who can fight versus the terrible shawm?
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« Reply #54 on: December 04, 2014, 08:19:59 PM »
ashok baijal
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Thanks Rai sahib for the email address. How good or bad were the motors you had bought from "servoelectronics"?

VC Sir, tomorrow I will weigh the boat and also make another round of search for the missing prop and let you know.
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« Reply #55 on: December 04, 2014, 08:22:15 PM »
sanjayrai55
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Don't wake a Tiger until you've factored the teeth



They were "Johnson" a very reputed brand. China made, of course
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« Reply #56 on: December 05, 2014, 12:04:40 PM »
buzz_rc
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@ashok baijal, Is this something that you can use for your project? t's a 300 sized brushless motor. Let me know.

Thanks

CAM00193.jpg
Re: Restoration of an old boat
* CAM00193.jpg (55.92 KB, 800x600 - viewed 758 times.)
« Last Edit: December 05, 2014, 12:52:48 PM by buzz_rc » Logged
 

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« Reply #57 on: December 05, 2014, 02:01:20 PM »
ashok baijal
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I can surely give it a try. See pm.
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« Reply #58 on: December 17, 2014, 07:42:19 PM »
ashok baijal
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 Bang Head  Bang Head

What should be the rpm range for the motor? Should it have high rpm, say in the range of 18000 rpm, or medium range, say, 6000-10000, or a low rpm say below 1000 rpm?

 Head Scratching  Head Scratching
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« Reply #59 on: January 28, 2015, 02:56:56 PM »
Dodgy Geezer
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You would of course have to buy a brushed ESC separately (although I think a Brushless ESC works on a Brushed Motor - not vice-versa though)

Alas, no!

Brushed and brushless motors are quite different items, and so are the ESCs for them. For a start, a Brushed motor ESC has 2 wires coming out, which carry a DC current.  A Brushless motor ESC has 3 wires coming out, which carry a multi-phase AC current. They are certainly not interchangeable.

A brushed motor can be used with or without an ESC. It does not need complex electronics to function. But a brushless motor HAS to have a special ESC because the brushless ESC contains all the electronics which make the motor work.




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« Reply #60 on: January 30, 2015, 07:07:14 PM »
ashok baijal
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@Dodgy
Yes the two ESC are different but will try out the better of the two once I am back home. Currently busy caring for my dear ones in hospital.
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