RC Groups - Hitec/Multiplex USA

Careful! Optima 7 RX Servo Binding

cleatis — Wed, 18 Nov 2009 17:28:21 GMT

just got 2 optima 7 RXs in, both of them move analog servos a significant amount on startup before going back the other way to center. one very bad thing is that IF THE SERVO IS NEAR ITS MECHANICAL STOP BEFORE POWERING UP, THE RX WILL DRIVE IT TO ITS MECHANICAL STOP! this only seems to happen with analog servos.

there are plenty more people out there with this problem, maybe they just think its normal but everyone needs to know about this before any servos are burnt up or airframes or broke by servo travel issues on startup.

one way this could make a bad day is with gas powered giant scale: ive got digitals all around a 50cc airplane and analog servos on the throttle and choke (as many others do). each time the plane is powered up the throttle and choke are slammed against their stops on the carburetor.

they'll be headin back to hitec.

Discussion Aurora 9 � Throttle lock

Grandpa T — Wed, 18 Nov 2009 00:44:33 GMT

I�m switching planes from the my Eclipse 7 to the my Aurora 9 and need help on a cherished feature. My Eclipse 7 has a button called �Engine Lock�. Has anyone figured how to program in a throttle lock (engine lock) into the Aurora 9 in the Acro mode?

Discussion Spectra 2.4 installation question

dmajchrzak — Tue, 17 Nov 2009 20:46:15 GMT

Hi,

First off, I've installed my Spectra 2.4 in my Optic 6 and have Optima7 RX's in 3 different planes. Electrically, it works awesome. Planes fly great.

BUT, I can't seem to get the antenna mast to mount correctly. When I installed the plastic antenna mast into my Optic 6, I can only get it to loosely 'click' in. It does not screw into the threaded post at the bottom of the antenna hole. Looking at the mast, it seems that the threaded socket is in-set. What am I doing wrong? Just slipping the antenna mast over the threaded post is really too loose for my comfort. FYI, I didn't have to adjust the length of the mast, it was preset for my Optic 6.

Thanks,
Dave

Discussion Acromaster motor vibration

jondbennett — Sun, 15 Nov 2009 22:21:50 GMT

I have an acromaster. It flies great when I am able to fly it, but I am having a lot of trouble with the motor vibrating. I am not a noob to model airplanes, and I also fly 450 size helicopters. With the helicopters I am no stranger to balancing spinning items like rotors or props.

I am using this motor:
http://www.hobbycity.com/hobbycity/s...idProduct=2139

HS55s for the ailerons, and the recommended servos for the tail.
ESC is a Scorpion Commander 45.

I use a good prop balancer, and I have balanced, re-balanced, and replaced the prop several times.
http://www.hobby-lobby.com/balancer.htm

I am quite certain that the prop is not out of balance, and this is the second motor. I am almost certain that there is something wrong with the motor mount, the build, or the design. I have replaced the mounting plate to which the motor is attached thinking perhaps I had somehow stripped the angle-screw holes. Something is definitely out of whack.

The problems presents like this:

I statically test the motor and tighten and adjust motor-mount screws until there is no vibration. I'll take the plane to the field and about 1/2 way through the first flight, or sometimes sooner, the motor mount will start to resonate and vibrate so violently that I am concerned that it will tear the nose off of the plane.

Once this starts there is no point in trying to do anything about it at the field. I'll take it home. Once Home I check the tightness of the two mounting screws. They are so tight that I am afraid to tighten them further for fear of stripping them. They have never loosened during flight.

After verifying that the mounting screws are tight, I pull the motor and check balance on everything, adjust the angle screws (they have never moved), and then reinstall the whole collection and statically run up the motor to check for vibration. Sometimes it goes away, mostly it does not. I'll fiddle and twist and tighten until I think I have it whipped.

I always do a static run-up to make sure that there is no vibration before I take it outside. Once at the field, it will be OK for the first half of the first flight, then it starts resonating and the process repeats. I have been at this for weeks, either trying to think of something else to try or some other part to replace. I have tried everything and replaced everything except the airplane.

At this point I have spent more time trying to stop the vibration than I have spent flying. I am quite frustrated.

Is there any hope for fixing this?

FAQ Aurora 9 Mixes, Setups, Tips, Undocumented Features

A.T. — Fri, 13 Nov 2009 18:44:14 GMT

Links to tips, shortcuts, undocumented features, mixes etc. Basically anything that will help Aurora users maximise the use/programming of their radio. Please try and keep this thread on topic - start a new thread for any questions, programming, set up or features and the answer can be listed here as a simple link. (Will update this initial list regularly with new information as Q&A arise.)

Hitec Aurora Interactive Homepage
Aurora 9ch 2.4GHz VIDEO Walkthrough Set Ups
Aurora 9ch2.4GHz_72 mHz Manual
Hitec RCD Spectra 2.4GHz Module Manual
Hitec RCD Optima 6, 7 & 9ch Receiver Manual
Aurora A9 & other Modules Why previous Hitec and other brand modules are not compatible.
Aurora A9 Balance with Neck Strap
Aurora A9 Simulator function Set-up
Aurora A9 Trainer / Buddy system Master & Slave function Set-up
Aurora A9 Transmitter Mode & Stick Tension Change.
Aurora A9 and Optima RX 2S Voltage Capablitites
Aurora A9 Battery Installed ex Factory is part #54128 "TX NMH battery (6 cell) Pack (FLAT TYPE) for AUR( RA9 ) 7.2v / 1300 MAh" (not an Eneloop 2000).
Aurora A9 Battery Compartment Fit Lipol battery and connectors
Aurora A9 - Lipol User Adjustable Voltage sets Shut Down = TURNS TX OFF to save damage to Lipol and/or TX
(Audible Battery Warning is still at 6.9V with Lipol which provides say 10-20 min before shutdown.)
Aurora A9 Warning Alarms Battery types, voltage levels and consumption - with Power/Battery Management Screen Shots.
Aurora A9 RX Voltage on Screen SPC voltage has preference over BEC voltage if using tap.
Aurora A9 110/230 Vac charger Charge Plug/adaptor sizes. [Red LED does not change to Green simply dims out but charge continues same rate].
Aurora A9 Diode in TX Charge Circuit Never Jump TX Charge Circuit Diode - Hitec FAQ.
Aurora A9, Eclipse 7, Flash 4&5, Optic 6, Prism 7 series Lipol, Field and Fast Charging.
Aurora A9 Flapperon - Set up Flaps
Aurora A9 Resolution & Latency (read upto 2048 in lieu of 4096)
Aurora A9 Resolution- in depth explanation
Aurora A9 Telemetry / Flying Range
Aurora A9 Telemetry Screens & Displays
Aurora A9 Throttle Lock Feature
Aurora A9 On Screen "C" <> "S". "C" is combined so if you want the same setting in different flight condition use it... "S" is for single so as to make the setting unique to the condition ( refer "Acro Menu" Video - 8 min 39 sec)
Aurora A9 Transfer Model Memory from Eclipse 7, Optic 6, Flash 4&5 and others

Aurora A9 Delta Wing - set up EPA, D/R & EXP w/photos
Aurora A9 Dual Rates, Cambermix uses and assignments Posts 228 & 250
Aurora A9 Rudder-Elevator PMix In Flight Trimming
Aurora A9 Trim Certain Mixes In-flight
Aurora A9 - Giant Scale set up Brandon Chitty's 42% Aeroworks Yak - Video presentation of set up.

LED Status Card
. Digital .pdf copy which can be printed and inserted as a page in manual or extra cards made.

Optima Basic Telemetry Includes Battery Voltage Level but not "Range Out warning".
Optima 6 Conversion for indoor pending release of Minima 2.4Ghz series.
Spectra Pro Antenna Mast Fitting to other than Aurora TX.
Spectra Pro 2.4GHz - original Prism 7 (not 7X) requires minor fix.
Multiplex Evo 2.4 conversion with Hitec AFHSS

Regards
Alan Tong (Hitec NZ).
Alan's Hobby, Model & RC FAQ Web Links

Discussion Larger Easy Glider

DT56 — Fri, 13 Nov 2009 02:57:27 GMT

I'd like to suggest a larger version of the Easy Glider as a possible new product for Multiplex. I like my Easy Glider a great deal and think that a larger version would be an even better performer.

A 2.5 meter version with the option of a 2 or 4 servo wing, priced at or below the Cularis, would be quite popular IMHO.

Just a thought!

DT56

Discussion Hitec Eclipse Programing

nick601 — Wed, 11 Nov 2009 18:39:47 GMT

I need help to program my Hitec Eclipse 7 so I can have Elevons and Aileron differantial.This is for a Carbon Falcon that is a glider with power.The Elevon mix is for the wing warp steering.The Aileron Diff. is to eliminate Adverse Yaw...
Can this be done with this Radio???
Thanks Ralph

Discussion Aurora charger - No GREEN LED

CyberPilot — Wed, 11 Nov 2009 16:32:55 GMT

The manual says that when you charge the Aurora with the included charger that the RED LED should light when charging and when the charge is completed the RED LED should extinguish and the GREEN LED should be lit.

When charging I have noticed that the RED LED is very dim and when the charge is completed both LEDs are off. The GREEN never comes on.

I have heard this from at least two other people.

My Aurora shows 100% battery charge after the charging session so it appears to be working. It's just the GREEN LED does not do what the manual says it should do.

Comments from the Hitec guys?

Any other users notice this too?

Thanks,
Dave

Discussion Hitech HPP-21 software download?

mr_editor — Wed, 11 Nov 2009 12:22:50 GMT

I've been told to to go to the Hitecrcd.com site to download the software, but I can't find the download anywhere.
:o

Help me pleeease!!!

Discussion Optima 7 Startup Routine Feature Request

Xnaron — Sun, 08 Nov 2009 20:40:11 GMT

I really like the hitec 2.4 system and I especially like the ability to power the receiver via the SPC connector to avoid nasty receiver reboots caused by weak BEC's. However I would like to request a modfication to the software for the receivers power up routine. In the video you will see that when the receiver is powered up it will quickly move ANY/ALL connected servo(s) at least 45 degrees. I have 4 optima 7 receivers now and have noticed this behaviour on all of them. This happens for ALL servos attached. I would prefer that the receiver only moves the servos to the position being transmitted by the transmitter. My concern is that this movement could be exceeding any end points that are programmed for the particular model. This could cause damage to the model if any mechanical limits are exceeded.

Hitec would it be possible to add this as a feature or change the default behaviour? I suppose it would help to know why they added this movement in the first place.

Thanks!
Brendin

P.S. There is a workaround for this when using the SPC feature. Power up the receiver first using SPC then switch on the power (BEC) for the servos. I tried it and it works...although I do not have switches on my models. I suppose you could use a servo extension and plug the bec connection into the receiver after startup.

optima 7 with SPC power from 3S lipo with Hitec HS56HB servo (0 min 14 sec)

Discussion 2.4 optima 7 and crazy servo wag

Xnaron — Fri, 06 Nov 2009 05:15:20 GMT

I got tired of trying to get the parkzone esc to arm with the optima so I replaced it with a phoenix 25. It works fine but I am getting this crazy wag on all servos when I power up the receiver. I think it is wagging 4 times. What does this mean? It does it every time. I tried another optima with some other servos (not in an airplane) and the same phoenix speed control and this does not happen.

update: I tried my other optima and it does the same thing with 4 servos connected using the phoenix 25. I unplugged one servo and powered it up and it only wagged a couple of times. Then I tried another 40amp e-flite esc I had with the 4 servos and it powers up with only one wag. Is this some kind of BEC overload at start up? Any ideas?

I then hooked everything back up with the spektrum module and receiver to test the phoenix 25 and it was fine. I have been flying this typhoon for years. First on 72mhz then on spektrum without any issues with the stock 20amp esc. However I tried everything and couldn't get the optima to arm the stock typhoon 20amp esc (another thread for this issue) so I replaced it with a Phoenix 25.

optima 7 with royal evo on typhoon 3d (0 min 18 sec)

Question hitec optima 7 won't arm parkzone 20amp esc in Typhoon

Xnaron — Fri, 06 Nov 2009 01:06:20 GMT

I've tried everything I can think of but I cannot get the Parkzone 20amp esc that is in my Parkzone Typhoon 3d to arm. I am running an optima 7 with the 2.4 spectra module in my Royal Evo.

Here is what I have tried (copied from other thread):

I'm having an issue trying to get the speed control inside of a parkzone Typhoon3d (1st version) to arm. It arms fine with the spektrum module in the evo and the spektrum rx. I put the optima 7 into it and verified all the channels and I can't get it to arm when I turn on the typhoon. All the servos move properly and the rx and tx are linked. I moved the esc off the throttle channel and onto an unused channel. I plugged in a servo to the throttle channel and I confirm that it is moving properly with the sticks. I even tried playing with the throttle trim up and down but I couldn't get it to arm. Radio is set to ppm-9.

I also tried two different optima 7's and it won't arm. I found the programming manual for the speed control and there are two settings for the throttle. I put the spektrum back in and programmed it with the first throttle setting and then tried it again with the optima and I couldn't get it to arm. I put the spektrum back in again and programmed it to the 2nd throttle option. I then tried it again with optima and couldn't get it to arm. This isn't good...I've got a number of different speed controls and if I have a problem arming some of them I won't be a happy camper. I tested a phoenix 25 esc and it worked fine with the optima with the same radio setup and channel as the typhoon. For some reason this parkzone 20amp esc does not like the optima.

I've tried trimming throttle all the way up and down, reversing, moving the end points up and down but can't get it working.

I wish my Aurora was here so I could test with that. :(

thanks,
Brendin

Discussion Trainer cord

bigbobed — Tue, 03 Nov 2009 15:09:01 GMT

Where can I buy trainer cord 58321? I believe this will let me use older Hitec or Futaba transmitters as a buddy box with the Aurora 2.4.

Question hs-7985mg

rcbirk21 — Mon, 02 Nov 2009 14:53:23 GMT

can the 7985mg servos be run unregulated on 2s lipo like the 7955TG without ill side effects?

Question Aurora balance question

M.Struck — Sat, 31 Oct 2009 01:19:18 GMT

Does the new Aurora 9 balance/hang level with a neckstrap without any aftermarket attachments?

Matt

Discussion MPX Evo 2.4 in the US We could perhaps made a petition

tiju000 — Fri, 30 Oct 2009 14:00:56 GMT

Sorry to wake up this old story but would I thing it would be interesting to show Hitec/Mpx the real volume of 2.4 stuff they can sold on the US market.

I can understand that the Evo-9 can make direct concurrence to the Aurora but look some of us use more than 9 channels....

On my side I fly scale glider with my EVO-12 and it's not uncommon to need 10+ channels if we don't want to use Y-cable, matchbox or other devices.

My message is if MPX bring 2.4 on the us market I will for sure buy the module, I will also for sure buy 3-4 2.4 ghz receivers ( and not the small one) then I will also perhaps buy a spare radio... and also send the radio for the 2.62 upgrade which is not free ( if I'm right).

I really have some problem understanding the fact that MPX don't want to pay for FCC because the market is not there. Look at all those threads converting EVO radio to spektrum or other 2.4 systems.

Is Jetti not applying for FCC certification... why is ExtremLink also market a 2.4 module if the market is not there.

tks for helping
Thierry

Discussion Neon SS FM problem

lincoln — Thu, 29 Oct 2009 23:00:05 GMT

I tested this radio once and it worked. Then I did some servo reversing, which requires opening the case and moving plugs. Afterwards, moving the stick wouldn't do anything. The tx was still transmitting, because when I turned it on the servos would all move to a definite position. I guess I must have bumped something, but I haven't figured out what. I am not sure, as this was a while ago, but I may have bumped the entire tx at some point, or dropped it a small distance. Any hints, or do I just need to send it back? Hardly seems worth it to send back on such an inexpensive tx.

BTW, I like the concept of a simple 3 channel tx with one stick for two of the channels. And the smaller the better. The upgrading possibilities seem like a nice feature too.

Thanks,

Lincoln Ross

Discussion Digital servo sub for HS-225

joefly — Thu, 29 Oct 2009 18:48:38 GMT

Does Hitec make a digital servo that is in the size and power of the HS-225?

Discussion Need Aurora Help

Hammer — Tue, 27 Oct 2009 00:09:39 GMT

My Aurora arrived today from Tower with no manual, and even worse with no coupon for the extra receivers.

What should I do?

One more question. Does Hitec have the transmitter charge plug available, or what size is it so I can make a field charge cord?

Discussion Cargo...possibility of elapor yet?

AMTJIM — Mon, 26 Oct 2009 03:19:47 GMT

Lucky enough to find another Cargo, but.....is there any chance an upgraded elapor version is on the way yet?

Discussion Odd flash 5x Transmitter issue

flyingtrain — Sun, 25 Oct 2009 12:03:28 GMT

I spent a few days figuring out how to set up flaperons on a new airplane using my Flash 5x. It looked beautiful when I packed up the night before. When I arrived at the field I put my airplane together and tested the set up again. It all looked perfect. I grabbed my trainer and asked him to look everything over and to take it on it's maiden flight. One of the first things he did is check the controls. We did a range check and all looked great. Then he extended the antenna and the plane stopped responding. :eek: we collapsed the antenna and the plane responded beautifully again. :confused: We repeated the process several times with, at best, spotty results. :( With loosening and retightening the antenna we would sometimes get the plane to respond. Needless to say, we packed up that plane and the Flash 5x transmitter with plans to send the transmitter in.

Have anybody ever heard of anything like this happening before?

I have spent the last two hours searching these forums with no success.

Thank you for your time and attention.

Discussion mg65 servo voltage?

RickC2009 — Sun, 25 Oct 2009 05:06:59 GMT

what is the max voltage for the hs or mg 65 servos?
I know they list 4.8 and 6 volts on the specs but is that actual voltage or just nominal voltage of a 4 or 5 cell battery pack.
I am asking this because I have a castle bec and can set the voltage to what ever I want. I have it set at 6v but would like to know if I can safely got to 6.2 or 6.5 volts.
I am running it through a specktrum AR6100.
thanks

Rick Cascella