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Old Jul 18, 2005, 07:11 AM
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Bob Blackburn's Avatar
UK, Greater Manchester, Manchester
Joined Jul 2004
357 Posts
EF 2000 Eurofighter

We have test flown this weekend an EF2000 (balsa construction)

3s 1250 Kokham
a.u.w. 15oz
21 inch wingspan

It is the fastest electric thing I have flown that looks like a real aircraft.

It draws 15 amps on the ground @ 24500rpm 100mm gunther prop (cut down)

and goes vertical till you can't see it!

I made the motor for it from gobrushless parts and have engineered it to make the motor mid mounted to get the cofg correct with no weight in the nose

Anyone interested?

The pictures are from before I got the wind right on the motor a full gunther is not used now as the motor draws over 30 amps until it is cut down to 100mm
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Last edited by Bob Blackburn; Jul 18, 2005 at 08:27 AM. Reason: added pictures
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Old Jul 18, 2005, 07:38 AM
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Norway
Joined Mar 2005
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Bob

That seems vey interesting. I woke up when you mentioned speed and unlimited vertical, as you understand I really like my planes fast and powerful. Have you got any pictures or maybe a little video of it?
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Old Jul 18, 2005, 07:44 AM
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Racine, WI AMA# 809291
Joined Nov 2003
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Hi Bob,

Was that jet a kit, or did you build it off of plans? I'd like a lot more info too Sounds like a wonderful jet!!

Tom - Milwuakee
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Old Jul 18, 2005, 07:53 AM
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UK, Greater Manchester, Manchester
Joined Jul 2004
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Checkout the RUDP free plan in model flyer magazine this month. My mate Pete Lewis is a genius when it comes to balsa bashing and it is his plan.
The EF2000 is the current work in progress which will probably end up as a plan in the mag.

There are some pics of the RUDP here:

http://www.rcgroups.com/forums/showthread.php?t=388295

I am waiting for pics of the EF2000 to post.
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Old Jul 18, 2005, 08:15 AM
TOPDOG
Taiwan
Joined Oct 2003
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I would like to see some pics
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Old Jul 18, 2005, 09:03 AM
Live to fly, fly to live!
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New Bern, NC
Joined Dec 2003
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Very nice work Bob, any video?

The pics look like the canards are fixed, and just using elevons?

Paul
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Old Jul 18, 2005, 09:20 AM
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UK, Greater Manchester, Manchester
Joined Jul 2004
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Yes it is very agile on elevons without working canards.

Don't forget the full size needs two computers to deal with the canards due to the aircrafts rearward cofg and built in instability.

It must groove to do this
http://scotlandonsunday.scotsman.com...m?id=673262005
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Old Jul 19, 2005, 09:24 PM
Fly it like you stole it..
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Florence, Al
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The Eurofighter has got to be the sweetest fighter unvield in the last 60 years...
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Old Aug 07, 2005, 04:02 PM
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Quote:
Originally Posted by Bob Blackburn
Yes it is very agile on elevons without working canards.

Don't forget the full size needs two computers to deal with the canards due to the aircrafts rearward cofg and built in instability.

It must groove to do this
http://scotlandonsunday.scotsman.com...m?id=673262005



****************************************
But much to the Americans' surprise, the Eurofighter
shook them off, outmanoeuvred them and moved
into shooting positions on their tails.

The British pilots themselves were almost as surprised
at winning an encounter with an aircraft widely regarded
as the best fighter in the world.
****************************************



Well, what can I say...
In terms of BVR (beyond visual range) those extremely
agile maneuvers for dogfighting are, in a way, useless. You
just can't out maneuver those sophisticated Missiles.
But within the close quarter encounter then those maneuvers
really come to play.

In mordern world of aviation, dogfighting sounds like
the 40's to 70's war, the latest stuff called BVR then.
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Old Aug 07, 2005, 04:27 PM
EDF rules... :)
AirX's Avatar
Joined Nov 1999
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Your not very well informed are you. In the Falkland war it was regular fare to evade missles with a subsonic aircraft namely the RAF Harrier, IIRC none were shot down but all of the spersonic aircraft of the enemy were sent packing or shot down.

Think before you post such nonsense.

Eric B.

To add to this the only losses were to ground based fire not air to air.

Quote:
Originally Posted by goonybird
****************************************
But much to the Americans' surprise, the Eurofighter
shook them off, outmanoeuvred them and moved
into shooting positions on their tails.

The British pilots themselves were almost as surprised
at winning an encounter with an aircraft widely regarded
as the best fighter in the world.
****************************************



Well, what can I say...
In terms of BVR (beyond visual range) those extremely
agile maneuvers for dogfighting are, in a way, useless. You
just can't out maneuver those sophisticated Missiles.
But within the close quarter encounter then those maneuvers
really come to play.

In mordern world of aviation, dogfighting sounds like
the 40's to 70's war, the latest stuff called BVR then.
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Last edited by AirX; Aug 07, 2005 at 04:31 PM. Reason: Added Comment
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Old Aug 07, 2005, 05:46 PM
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South Carolina
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Those F-15's that were "jumped" by the EF's were "E" model mud movers by the way.
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Old Aug 07, 2005, 06:16 PM
"I passed on the kool-aid"
Waco, TX
Joined Jan 2004
3,884 Posts
I think I remember

it saying some where that the f-15 pilots were using low rates the whole time and at least one of them was nearing LVC.
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Old Aug 08, 2005, 01:30 PM
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Quote:
Originally Posted by AirX
Your not very well informed are you. In the Falkland war it was regular fare to evade missles with a subsonic aircraft namely the RAF Harrier, IIRC none were shot down but all of the spersonic aircraft of the enemy were sent packing or shot down.

Think before you post such nonsense.

Eric B.

To add to this the only losses were to ground based fire not air to air.

Falkland war is a very primitive war with obsolete equipments
that can not be said as mordern war at all
Do you know what they used for Air comnbat?
Sea Harrier (UK)
Mirage IIIEA (Argentine)
A-4C Skyhawks, A-4B Skyhawks...
Those are third generation Jets. What do we have now
Fifth Generation aircraft with things like Eurofighter, F 35, F22.

And you called those in Falkland as mordern aircrafts?
I would spell "FOSSILS"
(Sorry not to offend anyone here)

Also, It is not fair to have the fith generation Jet
like the Eurofighter (AKA typhoon) flies against
fourth generation Jet like those F15, F 16

Be fair in any comparision, not apple vs. Banana



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Last edited by rcguy01; Aug 08, 2005 at 01:41 PM.
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Old Aug 08, 2005, 01:40 PM
Watts is life...
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Quote:
Originally Posted by goonybird
Falkland war is a very primitive war with obsolete equipments
that can not say as mordern war at all
Do you know what they used for Air comnbat?
...
I would spell "FOSSILS"
If only...
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Old Aug 08, 2005, 03:23 PM
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MicroRotors's Avatar
USA, CA, Hesperia
Joined May 2001
4,551 Posts
From what I have heard from an Air Force pilot whom is my next door neighbor, is that the good old dog fighting days are long gone. Most encounters are 20 miles and beyond. He also said that if you get within 20 miles and havenít been hit with his missile, you had better have shot off yours. With the radar we have now, you will see them coming long before the 20 mile mark.

Now I am not in the Air Force so I donít know if this is true or not, but in all the years I have known him, I have not questioned his word yet.

Thanks
Bill
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