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Search: Posts Made By: Rossan
Showing results 1 to 25 of 87
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Forum: RC Pattern Flying
09-25-2003, 02:32 AM
Replies: 4
Views: 641
Posted By Rossan

RE: Pattern sequence designer?

No offense Doug, but it's actually FAI world competition. The "International Aerobatic Club" is in fact the USA's aerobatic organisation. Always something of a sore point amoungst other countries!
Forum: RC Pattern Flying
09-15-2003, 04:42 PM
Replies: 4
Views: 548
Posted By Rossan

RE: Could some one tell whats the spoilerno?

ACTUALLY,

The term "Spoileron" originally reffered to differential spoilers the were used for roll control. the advent of computer radios and individual aileron servos has led to this new...
Forum: RC Pattern Flying
09-04-2003, 12:16 PM
Replies: 18
Views: 1,915
Posted By Rossan

2M ARFs

Hi!!

I've just taken delivery of a Protech Onyx 140 ARF and am very happy with the quality of the kit.

I'm not sure of distributors in the US. Protech is at http://www.protech.be/

Hope it...
Forum: JR Radio & Spektrum Radios
08-27-2003, 11:27 AM
Replies: 1
Views: 375
Posted By Rossan

6V Operation

Hi Danny,

I'm getting an R900S reciever to use with som DS 8245 servos.

If Iwant to run the servos at 6V, can I just plug a 6V battery into the reciever power supply, or must I power the servos...
Forum: RC Pattern Flying
08-20-2003, 12:15 PM
Replies: 33
Views: 4,269
Posted By Rossan

Onyx 140

Nice job Micro,

How many flights do you have on the model? How does it seem to be holding up?
Forum: RC Pattern Flying
08-19-2003, 01:35 PM
Replies: 33
Views: 4,269
Posted By Rossan

Onyx 140

HI!

I'm just about to take delivery of an Onyx 140. Could anyone who's had one for a while let me know of any mods, strengthening etc they'd recommend>

Thanks

Ross :confused: :confused: :D
Forum: RC Pattern Flying
07-23-2003, 12:35 PM
Replies: 18
Views: 1,583
Posted By Rossan

Piedmont Focus cg

Nice Lee!!

When will it be available?
Forum: RC Pattern Flying
07-11-2003, 04:58 PM
Replies: 20
Views: 2,793
Posted By Rossan

What makes a plane fly slowly?

Sorry, but that's not true. If there is 20 knots of crosswing, a pattern plane, F3d racer, park flyer or concorde flys sideways at a gound speed of... 20 knots
Forum: RC Pattern Flying
07-10-2003, 11:00 PM
Replies: 20
Views: 2,793
Posted By Rossan

What makes a plane fly slowly?

Only one thing makes an aeroplane fly slowly on a down line...Drag

To fly at the same speed on an upline...Power

To fly at that speed straight and level... A throttle!!!
Forum: IMAC
06-19-2003, 04:06 PM
Replies: 5
Views: 1,009
Posted By Rossan

Aileron shovels?? Anyone tried them?

I don't think shovels (also sometimes called spades) have a real purpose on models. Their purpose on full size aircraft is to lighten control forces at high speeds, as all the motive power available...
Forum: RC Pattern Flying
03-25-2003, 09:26 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

No, not off topic. In fact re-enforcing the point I was making. You don`t have to be at slow speed to stall, neither do you have to be stalled just because you`re at slow speed.

Still, we`ve done...
Forum: RC Pattern Flying
03-24-2003, 11:13 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

No, you're not at zero airspeed, but you're not at zero "G" either. Stall speed varies as the square-root of Load Factor ("G"), so by subjecting the aircraft to a vertical acceleration, you increase...
Forum: RC Pattern Flying
03-21-2003, 11:32 PM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

Luke,

The point of the thread wasn't to argue about the name of a maneuver, but to point out a fairly common mis-conception about the principle of what constituted a stall.

From your reply I...
Forum: RC Pattern Flying
03-20-2003, 11:31 PM
Replies: 31
Views: 3,868
Posted By Rossan

Fiberclassics- What should i do?/checkout pictures of new Rev Pro

Looks like a little negative publicity hit the spot! Score one for RCUniverse!! Let us know what you think of the quality of the replacement
Forum: RC Pattern Flying
03-20-2003, 11:28 PM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

Hi Ben,

Obviously it would be a combiation of both thrust vector and fuselage lift. Modern Pattern aircraft can sustain knife edge at a much lower angle of attack than older style aircraft, which...
Forum: RC Pattern Flying
03-20-2003, 08:40 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

With you right up to the last line! Sitting on the ground there is no turbulent airflow (no laminar either!!) so you couldn't say it was stalled, unstalled or whatever.

I do get what you say about...
Forum: RC Pattern Flying
03-20-2003, 08:16 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

Hi Regegade,

I think we are talking at a bit of a cross purpose. You are right that the reason some aircraft wobble is because of a lack of directional stability at low speed. However, if the...
Forum: RC Pattern Flying
03-20-2003, 06:57 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

HHMMMM....


Getting into murky teritory here Renegade, what exactley is the definition of a rudder or a fuselage stalling?

A stall is a breakdown of laminar flow due to excessive angle of...
Forum: RC Pattern Flying
03-20-2003, 02:31 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

No it's not laminer, but it's not turbulent either!!

This might be of interest:-

Typically, the lift begins to decrease at an angle of attack of about 15 degrees. The forces necessary to bend...
Forum: RC Pattern Flying
03-20-2003, 02:16 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

RENEGADE,

I have done HUNDREDS of stall turns in full size aircraft including Pitts, Decathlon, Extra and laser types. No, the stall warning did not go off once. Why? Stall warnings are triggered...
Forum: RC Pattern Flying
03-19-2003, 02:52 PM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

Having no airspeed DOES NOT MEAN STALLED!!!

When your airplane is sitting on your workbench, is it stalled? Stalled means the airflow has become non-laminer because the section has exceeded the...
Forum: RC Pattern Flying
03-15-2003, 11:54 PM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

CHassan,

That's exactley right as to the "Why" a wing stalls. "When" it stalls is also important.

3D-Cap

Yous Pommys don't speak proper neither. Only us Aussies know how ta speak enlish...
Forum: RC Pattern Flying
03-15-2003, 12:56 PM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

Go ahead...Make my day!!
Forum: RC Pattern Flying
03-15-2003, 12:26 PM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

Hi P51,

Didn't see this when I first replied:-



Sorry, not correct. If an aircraft is in a controlled descent, the wing is producing less lift than weight, but it is not stalled. Same when...
Forum: RC Pattern Flying
03-15-2003, 11:28 AM
Replies: 61
Views: 4,519
Posted By Rossan

How to start an argument...

Angle of attack equals angle between chord line and relative airflow. If the aircraft is moving, the wing has an angle of attack.

And, if its just being "Pulled by the prop", how can you do an...
Showing results 1 to 25 of 87
 
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