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Forum: T-Rex heli

03-27-2008, 11:38 AM

Replies: 6

Ultrafly 25 Hermes ECS..Catch 22

Views: 1,456

Posted By flightdoctor

RE: Ultrafly 25 Hermes ECS..Catch 22

John S:
Thanks a lot. I found pics of both cards and cards for sale at:
http://www.ohyesrc.com/index.php?main_page=index&cPath=143&sort=20a&page=2&zenid=d8d93272533679d0734eb5ed251cecf2
Should...

Forum: T-Rex heli

03-27-2008, 07:51 AM

Replies: 6

Ultrafly 25 Hermes ECS..Catch 22

Views: 1,456

Posted By flightdoctor

RE: Ultrafly 25 Hermes ECS..Catch 22

Hi Buysard
I recently got the Hermes 35 from Tower. I have an apollo programming card. Can you please explain in more detail how to program the hermes with the apollo card. Also, do you know what...

Forum: Brushed/Brushless motors, speed controls, gear drives

02-14-2007, 02:01 AM

Replies: 10

Ammo brushless direct drive

Views: 1,564

Posted By flightdoctor

RE: Ammo brushless direct drive

Dr Kiwi. You & Mohibility have been very helpful. I am getting to understand high kV motors now (much like I had to learn about outrunners in the beginning).
I have been doing research and I now...

Forum: Brushed/Brushless motors, speed controls, gear drives

02-08-2007, 08:31 AM

Replies: 10

Ammo brushless direct drive

Views: 1,564

Posted By flightdoctor

RE: Ammo brushless direct drive

Thanks Dr Kiwi

Do you think the motor will work with this: ACW 68mm Ducted Fan Unit for input from 120W up to 350W?

Motor specs again:
Motor Diameter: 0.945" (24mm)
...

Forum: Brushed/Brushless motors, speed controls, gear drives

02-06-2007, 12:38 PM

Replies: 10

Ammo brushless direct drive

Views: 1,564

Posted By flightdoctor

RE: Ammo brushless direct drive

Thanks Mo

I'm sure you're right: those are geared prop sizes. There is no mention on the site of direct drive specs. What do you think about a ducted fan with this motor?

FD

Forum: Brushed/Brushless motors, speed controls, gear drives

02-05-2007, 02:09 PM

Replies: 10

Ammo brushless direct drive

Views: 1,564

Posted By flightdoctor

RE: Ammo brushless direct drive

This is the data spec from the manufacturer

kV Rating Weight Suggested Prop Size Input Voltage Max Constant Current (amps) Max Constant Watts Max Surge Current (amps)...

Forum: Brushed/Brushless motors, speed controls, gear drives

02-05-2007, 03:40 AM

Replies: 10

Ammo brushless direct drive

Views: 1,564

Posted By flightdoctor

Ammo brushless direct drive

Hi

I have just bought the Great Planes Ammo 24-33-4875 kV motor. My intention is to use it direct drive with a small pusher prop for a Jet-type application (havn't chosen a plane yet). The...

Forum: ARF or RTF

10-10-2006, 02:17 PM

Replies: 28

Anybody ever tried ESM models?

Views: 23,686

Posted By flightdoctor

RE: Anybody ever tried ESM models?

Contact ESM details are at http://www.esmproducing.com/web/contact.asp I have called them but they only speak Chinese! You can also try http://www.kmp.ca who are the Canadian distributor for ESM....

Forum: ARF or RTF

08-24-2006, 12:07 PM

Replies: 28

Anybody ever tried ESM models?

Views: 23,686

Posted By flightdoctor

RE: ESM - KMP - RCFLIGHT

Hi. I have received an ESM Grob G-109 as a gift. Unfortunately there are no building instructions in the box! I would appreciate it if anyone can email or fax instructions to me or tell me where I...

Forum: Electric General Discussion

06-26-2006, 01:32 PM

Replies: 2

Should a motor point a little to the right?

Views: 453

Posted By flightdoctor

Should a motor point a little to the right?

I have assembled 3 ARFs where the motor is mounted on a stick. In all three, the motor pointed slightly to the right. Is this a coincidence and a reflection of shoddily made products or is there...

Forum: Brushed/Brushless motors, speed controls, gear drives

03-18-2006, 12:49 AM

Replies: 6

Choosing a brushless

Views: 1,134

Posted By flightdoctor

RE: Choosing a brushless

David and Matt. Thanks so much for taking the trouble to post such a detailed response. For the first time I feel I have a starting point. I will get to work on this and get back to you with my...

Forum: Brushed/Brushless motors, speed controls, gear drives

03-17-2006, 12:09 AM

Replies: 6

Choosing a brushless

Views: 1,134

Posted By flightdoctor

Choosing a brushless

I am quite new to electric flight and have been using brushed motors on e-starter and soareasy parkflyers. They are underpowered and I want to go brushless. I have searched the web for a guide to...

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