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Search: Posts Made By: RosscoW
Showing results 1 to 24 of 24
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Forum: Electric RC Jets
10-08-2011, 05:02 AM
Replies: 404
Views: 79,500
Posted By RosscoW

RE: HABU 32?

No, the same thing happened with three different motors.
Forum: Electric RC Jets
10-08-2011, 04:18 AM
Replies: 404
Views: 79,500
Posted By RosscoW

RE: HABU 32?

Qick question for the Gurus:-

Building a Habu 32e. the LHS did not have the stock Eflite ESC (I live in the Middle East and supplies can be "challenging"). They sold me a Dualsky 80amp ESC...
Forum: RC Helicopter Beginners Forum
06-22-2011, 02:07 AM
Replies: 15
Views: 3,967
Posted By RosscoW

RE: Hobby King

An example of HK "customer service"

Outrageous!

So, here's the history of this order-

On the 3rd I make up an order including an Sbach ARF aircraft. I delay paying till the next...
Forum: ARF or RTF
06-22-2011, 02:04 AM
Replies: 85
Views: 9,635
Posted By RosscoW

RE: Hobby King really sucks...

Some more great customer service from HK-

Outrageous!

So, here's the history of this order-

On the 3rd I make up an order including an Sbach ARF aircraft. I delay paying till the...
Forum: Aerodynamics
11-26-2009, 05:01 AM
Replies: 58
Views: 5,976
Posted By RosscoW

RE: Penetration

Guys,

The thing you have to realise is that while talk about "Wind Penetration" etc is from your point of view on the ground, and aircraft in flight has no idea as to whether there is any wind...
Forum: Aerodynamics
06-30-2009, 12:59 PM
Replies: 27
Views: 4,621
Posted By RosscoW

RE: 360 deg. turn by jets banked almost 90 deg....How?

Rule of thumb is that a trained pilot can sustain 6g sustained without a G suit, around 9g with one, so an 80deg banked turn is possible WITHOUT fuselrge lift. Instantanious G loads of much higher...
Forum: Aerodynamics
05-19-2009, 08:06 AM
Replies: 25
Views: 3,377
Posted By RosscoW

RE: What is the physics behind 150+ mph slope soarers without engines?

Hmmm...</p>

It does seem like you say I'm right, then pose a question which shows you didn't understand what I said.</p>

I'll just state ot once more- The presence or absense of wind makes no...
Forum: Aerodynamics
05-19-2009, 03:40 AM
Replies: 25
Views: 3,377
Posted By RosscoW

RE: What is the physics behind 150+ mph slope soarers without engines?

Larry,</p>

The short answer is no, as you are still missing the basic physics of the situation.</p>

Try it this way- If you towed a glider up to 25mph on a day with nil wind, would you expect...
Forum: Aerodynamics
05-18-2009, 02:50 AM
Replies: 25
Views: 3,377
Posted By RosscoW

RE: What is the physics behind 150+ mph slope soarers without engines?

Just an added note to say, the wrong physics DIDN'T come from BM!</p>

HIS synopsis is basically the same as mine, just worded a little more accessibly!</p>
Forum: Aerodynamics
05-18-2009, 02:42 AM
Replies: 25
Views: 3,377
Posted By RosscoW

RE: What is the physics behind 150+ mph slope soarers without engines?

Larry,</p>

</p>

I'm afraid there has been some flat-out wrong physics quoted here, and it has left you with some mis-conceptions.</p>

An aircraft, once it is off the ground, cannot harness...
Forum: Electric RC Helis
08-16-2008, 11:52 PM
Replies: 1
Views: 798
Posted By RosscoW

RE: Where to get inexpensive 600mm blades?

I got some VERY nice 550mm carbon blades from Hobby City in HK. Even with shipping they are a bargain if you by a few pairs

www.hobbycity.com
Forum: Electric RC Helis
10-31-2007, 10:08 AM
Replies: 3
Views: 1,070
Posted By RosscoW

RE: Strange Vibration, Raptor E550

Thanks for that, I'll try adjusting the pitch curve and see if that helps.

I'm loving the Heli. Being a kit there was a little more work (and head scratchimg!!) putting it together, but having...
Forum: Electric RC Helis
10-31-2007, 07:39 AM
Replies: 3
Views: 1,070
Posted By RosscoW

Strange Vibration, Raptor E550

Hi Guys,

I'm having a strange problem with my Raptor E550. This is my first Heli, and because of where I live I'm kin of on my own. I'm hovering OK now, so we are getting there!!

the...
Forum: Electric General Discussion
10-21-2007, 04:03 AM
Replies: 1
Views: 550
Posted By RosscoW

RE: Stryker / DX6 help needed

Hi!

The general rule with Lipo packs is not to charge at 1 amp, but at 1C, that is, 1 amp per amp/hr of capacitty. You can therefore charge your 2250 packs at 2.3 amps. Some of the better packs...
Forum: Brushed/Brushless motors, speed controls, gear drives
08-01-2007, 12:15 PM
Replies: 3
Views: 682
Posted By RosscoW

RE: Phoenix 80 ESC-BEC OK?

I thought that might be the case, thanks for pointing that out.
Forum: Brushed/Brushless motors, speed controls, gear drives
08-01-2007, 06:34 AM
Replies: 3
Views: 682
Posted By RosscoW

Phoenix 80 ESC-BEC OK?

I'm going to be using a Castle Creations Phoenix 80 ESC on a Raptor 550E 'Copter on 5 and 6 cell Li-Pos. By the instructions, the manufacturer says you can use the in-buit BEC for up to 4 standard...
Forum: Park Flyers & Backyard Flyers
03-15-2007, 03:59 AM
Replies: 1,505
Views: 197,862
Posted By RosscoW

RE: Parkzone Supermarine Spitfire Mk11B

I've been thouroghly enjoying my little PZ Spit, but I've just had the second ESC burnout on me (complete with smoke!!). I'm just running the standard 9 cell NIMH. Anyone else had similar problems?
Forum: Electric Training
02-16-2007, 04:06 PM
Replies: 27
Views: 2,676
Posted By RosscoW

RE: LETS THIS BE A LEESON TO YOU!

I've been in this hobby 32 years. Things have changed a lot!

One thing that hasn't- The very best way to learn isn't by this or that aircraft. It's by joining a club, and getting taught by an...
Forum: Ask the Expert Sal - Electric Airplane Advice
02-16-2007, 01:14 AM
Replies: 10
Views: 995
Posted By RosscoW

RE: LI-PO Ballancing

Thanks Sal,

All makes sense!!

Regards

Ross W
Forum: Electric Aerobatic & Sport Planes
02-14-2007, 06:36 AM
Replies: 1
Views: 592
Posted By RosscoW

Pinning controls??

Hi All,

I'm putting together a Sebart Katana 30e with the suplied Hacker s30 motor, an will be running 3 cell Li-Pos (I might try 4 cells at some point).

My question is- With thIs...
Forum: Ask the Expert Sal - Electric Airplane Advice
02-13-2007, 11:37 AM
Replies: 10
Views: 995
Posted By RosscoW

RE: LI-PO Ballancing

Thanks sal, that's great. My ballencer has been ordered.

WRT not over dis-charging the cells, how do you determine how much you've used on a particular flight? By the amount of charging the pack...
Forum: Ask the Expert Sal - Electric Airplane Advice
02-11-2007, 12:50 PM
Replies: 10
Views: 995
Posted By RosscoW

LI-PO Ballancing

Hi!!

I'm just about to take my first plunge into LI-PO/Brushless. I've got a Seb Art Katana 30E with the included Hacker s30 motor and ESC, and have some 2200 MAH LI-POs for power.

I've...
Forum: Electric Training
02-11-2007, 12:03 AM
Replies: 10
Views: 1,576
Posted By RosscoW

RE: Parkzone J-3 Cub?

I'm teaching my son to fly with the Hobby-zone J3 Cub. It is slightly bigger (39" wing span) and is proving ideal for a raw beginner.
Forum: Electric Training
02-11-2007, 12:00 AM
Replies: 4
Views: 880
Posted By RosscoW

LIPO Ballancers

Hi!!

I'm just about to take my first plunge into LI-PO/Brushless. I've got a Seb Art Katana 30E with the included Hacker s30 motor and ESC, and have some 2200 MAH LI-POs for power.

I've...
Showing results 1 to 24 of 24


 
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