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Old Aug 19, 2011, 06:36 AM
Tony
Joined Aug 2011
7 Posts
Discussion
New Guy needs Info

Hello all,

I'm retired and would like to try flying a sailplane. Many years ago I built a 2m plane flew it one summer (1 crash) and a few patches. Then, the kids came and I sold it.

I have researched sailplanes and because I'm CHEAP, I look at this sport differently than most. Parkzone makes a Radian and Radian Pro. The Pro has more features and requires a 5 channel radio. My question: Why not buy the Pro and disable the flaps and ailerons until I build my confidence and muscle memory? Also, storing 2 2m planes requires more space than 1! I will have a 6 or 7 channel radio I can use for other planes vs the 3 channel for the Radian.

I live rural Indiana (think corn and bean fields), so a place to fly is from my front porch...

Tony
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Old Aug 19, 2011, 07:12 AM
Registered User
Canada, ON, Calabogie
Joined May 2011
261 Posts
The Radian Pro is very different from the Radian and is much harder to fly.
The Radian has a large dihedral wing and is a very stable bird. A much better choice for learning.

You can't simply say I'll just ignore ailerons. Never works. The Pro is more suited to intermediate flyers.

You should look at this group for better info on Sailplanes.
http://www.rcgroups.com/electric-sailplanes-19/
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Old Aug 19, 2011, 07:50 AM
Tony
Joined Aug 2011
7 Posts
Ok, remember I'm a newb.

The plane is designed w/ailerons & flaps to be functional for proper control and if disconnected, flyability is difficult?

I will probably buy a 6-7 channel Tx w/memory for other planes. Should I buy the Rx as a Tx/Rx kit or separate? You also suggest buying a plane that will serve 'double duty' does not exist?

I live in a flat open area (no slope racing), the Radian may be my first plane as I don't understand the difference between wing shapes (yet). But my goal is to NOT buy duplicate!! (so says the wife), and storage space is limited. Recommend a Tx/Rx combo that can be moved between planes with minimum effort...

Thanks
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Old Aug 19, 2011, 08:43 AM
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xrx1113's Avatar
United States, FL, Lehigh Acres
Joined Aug 2011
846 Posts
just set the throws on the ailerons low. you should be fine its more fun with them and dont bother with the flaps until you feel comfortable with them .will just have to walk further to get it until you get better. look for used dx 6 or 7 and you can get the "orange" 2.4 rx real cheep like 15 bucks .

hope this helps a little and its just my opinion im not super plane guy.
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Old Aug 19, 2011, 08:49 AM
Tony
Joined Aug 2011
7 Posts
Thanks xrx...
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Old Aug 19, 2011, 12:14 PM
Registered User
Joined Dec 2009
78 Posts
Retiredff,

There is a big thread on the plane:

http://www.rcgroups.com/forums/showt...ght=radian+pro

You can build the plane without adding flaps. Infact you could build it Aileron and Elevator then add the rudder and flaps later. Its flies so slow you'll hand catch it after a few tries with out using flaps or CROW. (CROW - Flaps down, Ailerons up and Elevator to compensate for pitch all on the throttle stick)

As the other reply mentioned Look in the used radio section and you could get a nice radio. If you have not worried about interference on 72Mhz you could really score. Not all computer radios do sailplane modes easily. For example a spectrum DX7 wont do CROW (some guys have found a way). So read up a bit before buying a radio. People are selling JR 9303 cheap now and the old Hitec Eclipse works great for sailplanes.

But the radian Pro/EX Glider Pro and the like really dont need CROW if you just putzing around.

Electric power has really improved the last few years, and it makes it so covienient that you wont need a Hi start to launch.

Good luck.
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Old Aug 19, 2011, 12:32 PM
Foam flogger
Roseville, CA
Joined Apr 2009
1,144 Posts
Buy the original Radian. It's a proven floater and thermals great. You don't need the ailerons, flaps, crow, camber, etc to (re)learn to soar with it. There's a reason that people fly and win competitions with this bird, it's an excellent design. The pro is different. It's faster, heavier, doesn't float as well, and requires you to fly it thru the turns more.
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Old Aug 19, 2011, 12:49 PM
Registered User
Kansas City
Joined Dec 2009
393 Posts
I'd also suggest the original Radian. It's easier to fly and offers far easier radio installation and setup at the field. I kind of hate screwing with all the servo leads in the *tiny* receiver bay on the Pro. With the original you can be ready in one minute (no exaggeration). The landings with the original can be kind of long since it likes to keep gliding, but then you can just fly it right at yourself and catch it in your hand. Far easier than I thought it would be.
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Old Aug 19, 2011, 12:56 PM
Tony
Joined Aug 2011
7 Posts
OK, by popular demand the Radian it is!

I didn't know the DX7 would no do crow etc...

Recommend a radio that will send telemetry (alti, temp, speed). That info might be interesting to a newb.

Thanks all
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Old Aug 19, 2011, 01:16 PM
Foam flogger
Roseville, CA
Joined Apr 2009
1,144 Posts
Dx8 does telemetry. Not sure about other brands.
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Old Aug 19, 2011, 01:21 PM
Tony
Joined Aug 2011
7 Posts
The DX7s does also. Downloaded the manual, reading it now.
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Old Aug 19, 2011, 01:25 PM
Foam flogger
Roseville, CA
Joined Apr 2009
1,144 Posts
Just the new version I think, won't be available until October.
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Old Aug 19, 2011, 01:30 PM
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Nathan Schmoekel's Avatar
USA, MI, Grand Rapids
Joined Apr 2007
1,818 Posts
sounds like you made up your mind....but I'll add my vote for the original Radian any way.

I own BOTH planes...a friend had a Radian, I loved it and based on that I bought a pro.....HATED IT.....now I have a regular Radian and fly it LOTS!! The pro is collecting dust for now.

Background....I fly handlaunch gliders and am a good pilot able to consistently land my planes in my hand.

The pro is a great idea, but the floppyness of the wings destroys the extra control that ailerons are supposed to give you. I wanted it to be much more capable than it was.

The standard Radian is a majestic, graceful, hands off, no-brainer of an airplane to fly. The turning authority of the rudder is more than good, and it is so fast and easy to assemble at the field. Adding flaps to the wing is pretty easy when you desire to "take it up a notch". Of course this complicates the assembly a bit, but the trade off is worth it for the ability to land the plane accurately. Radians land, like the energizer bunny....they just keep going, and going, and going....

Radio vote: Hi-Tec Aurora 9. on-screen programming really makes it easy to find what you want. Lots of features that you can choose to ignore for now and use as you grow. The signal reception is bombproof, and receivers are "reasonably" priced. Battery voltage telemetry is standard and more telemetry equipment is available. Last radio you will ever need.....even if you get bored easily.
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Last edited by Nathan Schmoekel; Aug 19, 2011 at 01:36 PM.
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Old Aug 19, 2011, 07:31 PM
Tony
Joined Aug 2011
7 Posts
Nathan,

I just researched the Aurora 9. Nice radio!

I have not made up my mind for the Pro. I have read more than 1 post that share your review of the Pro vs Radian. I will probably go with the Radian and research my next plane...

Great info, Thanks!
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Last edited by retiredff; Aug 19, 2011 at 08:31 PM.
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