HobbyKing.com New Products Flash Sale
Reply
Thread Tools
Old May 20, 2012, 12:56 AM
Registered User
United States, TX, Grand Prairie
Joined Nov 2005
5,773 Posts
Quote:
Originally Posted by Thomas Nelson View Post
Hi Eric

Yeah, erh7771 is actually using a Cyclone Power unit which has the motor on a stand-off, well back of the motor mount. This places the motor away from the mount and in the airflow, which is probably why this 145 gram motor can handle that crazy amount of power without nuking itself or melting the mount. In fact, this is the same kind of power my 330 gram HET (also 6S) sees when spinning my 90mm CS12 setup.

tn
Yeap, 2500 watts would burn a lot of things real quick. The hols in the beginner of the mount at the end of the stand off allow for a good amount of air to flow through pretty good.

I kept WOT on the motor for longer than 2 mins, sick performance in a GWS A-4 but at 2500 watts something that small isn't going to last long..
erh7771 is online now Find More Posts by erh7771
RCG Plus Member
Reply With Quote
Sign up now
to remove ads between posts
Old May 20, 2012, 08:56 AM
How close are those trees?
Goody63's Avatar
Perth, Western Australia
Joined Apr 2008
1,924 Posts
Quote:
Originally Posted by RugFlyer View Post
Any numbers with the 2W-25/CS-10 on 5S yet? Seems it would be a doable since its 2720KV and is pulling 50-55 Amps on 4S. It's also rated at 70Amps and up to 6S.



Goody, good to see you're working on the J11B, mine should be here Monday!
Speaking of the CS Housing mounting holes, I use 3mm washers with all four mounting screws and it centers the motor and has worked fine in my housing's.

-Rick
Cool.

I've ordered another fan but I may have another look at the suspect one to see if its salvageable.
Goody63 is online now Find More Posts by Goody63
Reply With Quote
Old May 20, 2012, 03:39 PM
Aka: Tom Jenkins
ApexAero's Avatar
Palm Beach County, Fl.
Joined Aug 2008
4,501 Posts
I was surfing and found this one coming soon. Looks like a good canadate for a lightweight 4s power system for the 70-10
http://www.hobby-lobby.com/brushless...33014_prd1.htm
ApexAero is online now Find More Posts by ApexAero
RCG Plus Member
Old May 20, 2012, 04:37 PM
EDF rules... :)
AirX's Avatar
Joined Nov 1999
13,648 Posts
I'm sorry guys, I keep forgetting that you guys may have a different goal than me. You guys are definitely looking to find the edge of the technologies your using.

Hi Thomas,

Yup things are definitely different than when you came down here to Houston. Is a trip down still in the plans?

Eric B.
AirX is offline Find More Posts by AirX
Reply With Quote
Old May 20, 2012, 06:29 PM
Registered User
Australia, VIC, Melbourne
Joined Nov 2006
11,557 Posts
Apex, that motor doesn't look overly special or useful. Specs a bit low, and a bit small (can length) to be physically capable. So it is not going to be any different to the L2855 series - very close to that sort of thing. And they are only $12.40.....
So it will work ok... to unknown (untested) results for now... but at a higher price for no benefit.

The Cyclone motors are heftier, so for a step above the L2855 sort of ability motors, they would be the next in line (that sort of motor). A longer can... more true capability. And they are probably really in the HET territory of result/ability... for the lower price than HET. ($40's)
In a way they are good as being 'extended' it means more aftwards weight, so you can use the higher cell/weight battery with little effort to get the CofG right again.

The next in line (and possibly not a great deal better, if any, than Cyclones) are the HET's (ARCs too?).
PeterVRC is online now Find More Posts by PeterVRC
RCG Plus Member
Latest blog entry: Skyzone Goggles - Button Shield
Reply With Quote
Old May 20, 2012, 07:02 PM
efflux RC's Avatar
United States, CA, Santa Clarita
Joined Aug 2009
8,848 Posts
Here's another one to consider for 4s (and 5s for high power) in the CS fan.
(it is a 6s max motor for all other 70mm EDFs.
You'll need a 4mm shaft adaptor.
These motors are 60mm long and have excellent cooling. You can also add a finned heat sink for additional cooling.

http://www.effluxrc.com/Velocity-Hig...28-60-2900.htm

We have some CS fans coming for testing.
efflux RC is offline Find More Posts by efflux RC
Site Sponsor
Last edited by efflux RC; May 20, 2012 at 07:07 PM.
Reply With Quote
Old May 20, 2012, 07:22 PM
It should fly at least once
clive45's Avatar
Australia, NSW, Grenfell
Joined Mar 2006
2,603 Posts
  • Internal Resistance: 10.5 Meg ohms
This is taken from the web site of this motor. I think mili ohms would be better than Meg ohms............................
clive45 is offline Find More Posts by clive45
Reply With Quote
Old May 20, 2012, 07:28 PM
efflux RC's Avatar
United States, CA, Santa Clarita
Joined Aug 2009
8,848 Posts
Thanks. corrected.
0.011 ohms
efflux RC is offline Find More Posts by efflux RC
Site Sponsor
Last edited by efflux RC; May 20, 2012 at 07:38 PM.
Reply With Quote
Old May 20, 2012, 07:39 PM
It should fly at least once
clive45's Avatar
Australia, NSW, Grenfell
Joined Mar 2006
2,603 Posts
There is not much difference between the price for a HET/ARC and that motor also. But very nice to see one with such good cooling.

You could always send one to me for testing
clive45 is offline Find More Posts by clive45
Reply With Quote
Old May 21, 2012, 04:10 AM
Extreme CNC Alloy EDF
Extreme_RC's Avatar
Australia
Joined Mar 2006
11,723 Posts
Gotta remember the velocity motor is burst rated, not continuous, the ARC2858-1 was tougher and the new HET 1W40 is tougher again!

The first carton of 70mm housings just came in today, I will start going through all the backorders tonight and get the loose parts orders out tomorrow, CS10 fan combos will be done in the order they were received and will take a week or so to clear them all.
Extreme_RC is offline Find More Posts by Extreme_RC
Reply With Quote
Old May 21, 2012, 06:43 AM
Registered User
Antarctica
Joined Apr 2012
845 Posts
Quote:
Originally Posted by erh7771 View Post
Blades look like they're slightly above shroud rim, smoother air with the rotor as deep in shroud as possible... more thrust possibly
it's the max i can go...
viperviper is offline Find More Posts by viperviper
Reply With Quote
Old May 21, 2012, 06:56 AM
Registered User
Antarctica
Joined Apr 2012
845 Posts
Quote:
Originally Posted by RugFlyer View Post
Any numbers with the 2W-25/CS-10 on 5S yet? Seems it would be a doable since its 2720KV and is pulling 50-55 Amps on 4S. It's also rated at 70Amps and up to 6S.



Goody, good to see you're working on the J11B, mine should be here Monday!
Speaking of the CS Housing mounting holes, I use 3mm washers with all four mounting screws and it centers the motor and has worked fine in my housing's.

-Rick


As i do not hv any 5S lipo in my inventory so i tested it on 6S lipo. HET 2W25 motor.

##### tested with 6S, 60A at 1120W ard 1.8-2kg of thrust!! ##### it's indeed an economical setup with comparable results to those expensive alloy setup! Save tonnes of money in long run esp on the fan unit itself $85-$90 vs $16.
viperviper is offline Find More Posts by viperviper
Last edited by viperviper; May 21, 2012 at 08:02 AM.
Reply With Quote
Old May 21, 2012, 07:32 AM
Registered User
genghiskt's Avatar
Joined Sep 2011
265 Posts
On which motor? HET 2W-25 ? Running on 6S ?

Kev.
genghiskt is offline Find More Posts by genghiskt
Reply With Quote
Old May 21, 2012, 07:46 AM
Registered User
Antarctica
Joined Apr 2012
845 Posts
Quote:
Originally Posted by genghiskt View Post
On which motor? HET 2W-25 ? Running on 6S ?

Kev.
yes, 2w25 running on 6S.
viperviper is offline Find More Posts by viperviper
Reply With Quote
Old May 21, 2012, 09:00 AM
Registered User
United States, TX, Grand Prairie
Joined Nov 2005
5,773 Posts
Quote:
Originally Posted by ApexAero View Post
I was surfing and found this one coming soon. Looks like a good canadate for a lightweight 4s power system for the 70-10
http://www.hobby-lobby.com/brushless...33014_prd1.htm
Check Hobby partz search for 2600 or 2700kv , it's on there with a longer can for 16usd
erh7771 is online now Find More Posts by erh7771
RCG Plus Member
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
New Product Change Sun 12 blade 90mm Flip Flop Electric Ducted Fan Jet Talk 7104 Today 01:38 AM
New Product Change Sun 120mm and new 10 blade 70mm fans Flip Flop Electric Ducted Fan Jet Talk 131 Apr 27, 2012 08:07 PM
Sold Change Sun electric retracts Flip Flop Aircraft - Electric - Jets (FS/W) 3 May 23, 2011 07:20 AM
Sold Change Sun Electronic retracts w/Lander struts hole digger Aircraft - Electric - Jets (FS/W) 2 May 06, 2011 02:27 PM
Sold Change Sun Electric retracts NIB 75.00 jzuniga Aircraft - Electric - Jets (FS/W) 2 Sep 03, 2010 10:36 AM