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All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> Is a computer radio necessary for 3D?
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Is a computer radio necessary for 3D? - 5/12/2008 9:44:34 PM   
medcinmn


 

Posts: 164
Joined: 10/23/2005
From: , FL, USA
Status: offline 		I currently own a MUS and EF Extra 260 and fly with a non-computer radio. Up until now, I have been happy just sport flying and carving holes in the sky, along with basic aerobatics. I've been flying for about 20 years off and on (mostly off). I have two questions:

1. If I want to learn 3D, do I need a computer radio?

2. If yes, what specific features should I look for in a radio?

Thx,

Aaron
       Post #: 1

RE: Is a computer radio necessary for 3D? - 5/12/2008 9:49:00 PM   
BarracudaHockey



Posts: 10239
Joined: 7/13/2003
From: Orange Park, FL, USA
Status: offline 		The nicest things about a computer radio are the ability to add expo and dual rates to your radio. The second thing in your case might be setting up mixes such that if the plane tucks to the gear or canopy in knife edge that you can have rudder added with elevator.

Its not absolutely needed but once you own one you will wonder how you ever got along without one. I'd reccomend a DX7 or something similar.

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RE: Is a computer radio necessary for 3D? - 5/12/2008 10:10:41 PM   
medcinmn


 

Posts: 164
Joined: 10/23/2005
From: , FL, USA
Status: offline 		Thanks for the reply. Any reason the DX7 over the 6? This will be for smaller (43" wingspan and under) planes.

Also, will I need different servos, or will standard (HS-55's, Futabas) work with these radios?

< Message edited by medcinmn -- 5/12/2008 10:12:03 PM >

(in reply to BarracudaHockey)
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RE: Is a computer radio necessary for 3D? - 5/12/2008 11:22:27 PM   
XJet


 

Posts: 3217
Joined: 3/31/2003
From: Tokoroa, NEW ZEALAND
Status: offline 		What BarracudaHockey says!

Except that dual-rates are for sissies. Real 3D fliers are always on hi-rate and just use expo to smooth things out around neutral (okay, it's a personal choice use whatever works for you)

I'm not a fan of "mixing out" the quirks of a particular airframe design, I prefer to *fly* my models. You don't see full-sized aerobatic pilots using mixers do you?

The other problem with "mixing out" airframe issues is that a certain mix will often only work in one specific part of the flight envelope.

If you mix out a tuck to canopy or gear in knife edge, that mix may well result in the opposite effect in a hover or harrier because the airflow is different over the wing and control surfaces.

Just learn to use the sticks then you'll be able to fly any maneuver without worring about what mixes or rates are switched in. Don't use your computerized radio as a crutch to support lazy flying (at least that's the way I look at it).

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RE: Is a computer radio necessary for 3D? - 5/12/2008 11:57:44 PM   
krayzc-RCU



Posts: 5855
Joined: 3/26/2002
From: Kannapolis, NC, USA
Status: offline 		Hi I am Gerald and I am a Sissy

I am king of mixes. I have mixes for:

knife edge R-E and R-A
down-lines T-E and T-R
high idles T-G

I have mixes that cut off in 3d flight mode.

quote:

You don't see full-sized aerobatic pilots using mixers do you?
Heck i don't know what they do and really don't care to each own

I spend a lot of time with new birds doing the trim on the below link 1st.

http://www.mini-iac.com/Portals/57ad7180-c5e7-49f5-b282-c6475cdb7ee7/PGoldsmith%20on%20trimming.pdf

If the radio has a feature that you paid for and u choose not to use it whos fault is that. I also use remote that come with the electronics that I buy such as TV's and DVD players

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smooth as silk!

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RE: Is a computer radio necessary for 3D? - 5/13/2008 8:57:30 PM   
BarracudaHockey



Posts: 10239
Joined: 7/13/2003
From: Orange Park, FL, USA
Status: offline
quote:

Except that dual-rates are for sissies. Real 3D fliers are always on hi-rate and just use expo to smooth things out around neutral (okay, it's a personal choice use whatever works for you)


hehe I have low rates set up so the plank only pilots can fly my planes, of course, even on low rates my Yak and Funtana scare a few of them.

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< Message edited by BarracudaHockey -- 5/13/2008 9:05:20 PM >

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RE: Is a computer radio necessary for 3D? - 5/14/2008 12:17:32 AM   
JustPlaneSweet


 

Posts: 38
Joined: 4/17/2005
From: Cedar Falls, IA, USA
Status: offline 		medcinmn,

The DX6 is designed for parkflyers, you would want the DX6i if you desire a six channel radio. The DX6i uses DSM2 instead of DSM. The following is from Spektrum's website:

quote:

Above and beyond the basic features of DSM, there has been a technological breakthrough for both air and surface applications thanks to Spektrum. An updated version of DSM technology referred to as DSM2 (second generation protocol) makes it possible to fly any size model with the convenience, safety, and peace of mind of Spektrum. With DSM2, the total latency of your radio system has been greatly reduced, while the bit-rate has been increased. When combined, these improvements provide hobbyists with a faster and more locked-in feeling when compared to traditional 27MHz, 72MHz, or 75MHz radio systems. DSM2 also provided a new opportunity when separating the two receivers. By providing superior path diversity, the DSM2 receiver can now see a broader RF environment.


Stan

(in reply to BarracudaHockey)
       Post #: 7

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