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Author Topic: R/C SR-71  (Read 1010 times)

Offline whels

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R/C SR-71
« on: June 17, 2010, 08:16:02 PM »
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Offline Spikes

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Re: R/C SR-71
« Reply #1 on: June 17, 2010, 08:26:47 PM »
Great plane! Also great flying and landing! That's a fast little bugger!
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Offline redman555

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Re: R/C SR-71
« Reply #2 on: June 17, 2010, 08:28:53 PM »
That looks big and expensive, I wouldn't trust myself 10 feet near it lol.


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Offline curry1

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Re: R/C SR-71
« Reply #3 on: June 17, 2010, 08:31:51 PM »
That must be quite the mother to fly
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Offline narsus

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Re: R/C SR-71
« Reply #4 on: June 17, 2010, 08:36:23 PM »
That is pretty cool, I don't think I will go higher than foamies myself.

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Offline trax1

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Re: R/C SR-71
« Reply #5 on: June 17, 2010, 10:07:49 PM »
That has to be one of the coolest jet R/C I've ever seen.  That jet would be cool to put in one of those cameras that you can watch as you fly it, that way you could take it up high and far.
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Offline trax1

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Re: R/C SR-71
« Reply #6 on: June 17, 2010, 11:39:09 PM »
I was looking around YouTube after watching that video and came across this, with out a doubt the largest R/C jet I've ever seen, this thing is just huge, you could almost fit some small kids in it for a ride, and I can't believe how maneuverable it is for it's size.


Extremely large C-17 R/C
http://www.youtube.com/watch?v=c5FjTcctkC4&feature=related


Here's another extremely large R/C, it claims to be the worlds largest, it's a B-29, something like this one has to be really expensive, anyone got an idea on how much it would be?

http://www.youtube.com/watch?v=vlmGKMw-Pww&feature=fvw
« Last Edit: June 17, 2010, 11:59:26 PM by trax1 »
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Offline oakranger

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Re: R/C SR-71
« Reply #7 on: June 18, 2010, 12:32:32 AM »
I have to ask, is that a turbine engine it has?

B-29 really neat, but can the size beat this one.

http://www.youtube.com/watch?v=c5FjTcctkC4&feature=related   


                                    or this



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Offline trax1

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Re: R/C SR-71
« Reply #8 on: June 18, 2010, 12:48:44 AM »
Quote from: oakranger on June 18, 2010, 12:32:32 AM
I have to ask, is that a turbine engine it has?

B-29 really neat, but can the size beat this one.

http://www.youtube.com/watch?v=c5FjTcctkC4&feature=related   

Well thats the same video that I just posted, it's the link just above the B-29 one, and yeah the B-29 one is definitely bigger then the C-17, at least the wingspan is bigger on the B-29, the C-17 might have a taller tail.

As for the plane in the pic I don't know, it's a close call, but if that one was bigger it isn't anymore obviously. :D
« Last Edit: June 18, 2010, 12:51:00 AM by trax1 »
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Offline bcadoo

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Re: R/C SR-71
« Reply #9 on: June 18, 2010, 01:56:29 AM »


"This 1/9th scale radio-controlled C-17 model was built in the United Kingdom. To date it has about 20 flights. It was built as the centerpiece of a 15 program television series produced in the U.K. for the Home and Leisure satellite TV channel.

Built with the aid of three friends, it took 1 year to build and is powered with 4 Jetcat P-120 turbines with a total thrust of 108 lbs. The models weighs over 250 lbs fuelled, and carries 12.5 liters (3.3 US gallons) of 95% kerosene and 5% turbine oil fuel.

Other details include 5 Futaba PCM receivers, 16 battery packs (93 cells), 20 Futaba servos, on board air compressor, electro/pneumatic retracts, etc.

The four builders are shown in the lower left image above. Colin Straus is at the nose of the aircraft.

Wingspan is 20 feet 8 inches, and the top of the fin is 74 inches (6 feet 2 inches) above the ground.

Takeoff weight is 264 lbs.

The rear cargo doors open and they drop an r/c jeep on a pallet, as well as 2 freefall r/c parachutists. The model also has smoke systems both of the inboard turbines, and uses 2.4 GHz data link to provide real-time data to a laptop computer on the ground while in flight, this data includes airspeed, turbine RPM, EGT, fuel consumption, etc. It is covered in fiberglass and epoxy resin.

Built mainly from balsa and ply, with many glass and carbon fiber moldings to reduce weight. This C-17 Globemaster III is one of the largest jet models in the world today! Complete with retractable landing gear and pneumatically operated flaps"
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Offline oakranger

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Re: R/C SR-71
« Reply #10 on: June 18, 2010, 02:02:53 AM »
WOW!  I can not image how much it cost.  So, they do used turbine engine.  that is interesting. 
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Oaktree

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Offline whels

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Re: R/C SR-71
« Reply #11 on: June 18, 2010, 09:04:16 AM »
Quote from: oakranger on June 18, 2010, 02:02:53 AM
WOW!  I can not image how much it cost.  So, they do used turbine engine.  that is interesting. 

yes actual jet engines.
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Offline whels

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Re: R/C SR-71
« Reply #12 on: June 18, 2010, 09:12:42 AM »
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Offline Sol75

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Re: R/C SR-71
« Reply #13 on: June 18, 2010, 11:07:10 AM »
Yes, some RC jets use electric powered fans, some use actual turbines...
I have 1 turbine, and several electric birds
The funny thing is, once youg et above the smaller size electric stuff, to go electric costs almost the same amount as to do a turbine... and the tubine has SO much more "cool factor"

I have around 6 smaller 45" and smaller wingspan electric jets, which are fun to fly for sure, but my Turbine F/A-18 is amazing... and also I feel a tug on my wallet every time I fly it though lol...

Crash that baby and im out close to 15 grand...
Turbines tend to burn upon crashing, just like the real thing... and usually nothing is left that can be salvaged...

Sol
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Offline oakranger

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Re: R/C SR-71
« Reply #14 on: June 18, 2010, 11:26:54 AM »
Quote from: Sol75 on June 18, 2010, 11:07:10 AM
Yes, some RC jets use electric powered fans, some use actual turbines...
I have 1 turbine, and several electric birds
The funny thing is, once youg et above the smaller size electric stuff, to go electric costs almost the same amount as to do a turbine... and the tubine has SO much more "cool factor"

I have around 6 smaller 45" and smaller wingspan electric jets, which are fun to fly for sure, but my Turbine F/A-18 is amazing... and also I feel a tug on my wallet every time I fly it though lol...

Crash that baby and im out close to 15 grand...
Turbines tend to burn upon crashing, just like the real thing... and usually nothing is left that can be salvaged...

Sol

Ok, i do not know much in this area.  When did these real turbines come out in the market?  What is the biggest size, once again excuse my arrogance on this,  or biggest thrust can you get?  15 grand, wow!
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Oaktree

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