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HelicopterGasser Model RC HelicoptersOther › Governors and generators
06-04-2009 03:15 PM  8 years agoPost 21
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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FASST
the new 8 and 14 channel FASST HS receivers offer 7ms on the first 6 channels

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06-04-2009 03:20 PM  8 years agoPost 22
Justin Stuart (RIP)

rrMaster

Plano, Texas

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With the original XPS system, it was supposed to "channel hop" when interference would crowd the channel it was on. Problem was, it wouldn't hop. There were many threads written about this a little less than 2 years ago. Guys with oscilloscopes demonstrated the vulnerability of this system to interference, and at 2.4GHz, there is a lot of interference. I would be very diligent in my research on this system before buying it. Perhaps they have improved it since then, but I do not know enough to comment on this.

My Spektrum DSM2 systems have worked flawlessly. It is now a proven system, and they offer modules to plug into all of the most common radios (including the Futaba 9C). I highly recommend using Spektrum 2.4GHz. It should be noted that Spektrum had their problems as well 2 years ago with receiver "brown outs" causing a system reboot and crash. This problem has been fixed with V1.6. However, a 6 volt system is highly recommended with Specktrum equipment.

My favorite thing about the dedicated Spektrum/JR systems (other than the relatively inexpensive receivers) is the model match feature. It is impossible to have the wrong model selected in the memory. With a Spektrum module, you don't get this feature (and Futaba doesn't offer this feature at all even with their dedicated systems).

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06-04-2009 04:42 PM  8 years agoPost 23
Pinecone

rrKey Veteran

Maryalnd

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LOTS of issues with early XPS systems. Several losses of giant scale or turbine aircraft.

Go over to RCG and search the threads. Also lots of issues with XPS deleting threads with issues in their vendor section.

I was an early fan of the system, but as things kept going, I RAN away.

Terry
Blade CP Trex 450 SE
QJ EP8v2 EX Gaui Hurricane 550
Vibe 50 Bergen Intrepid Gasser

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06-04-2009 06:20 PM  8 years agoPost 24
neverhappy

rrApprentice

Piedmont.Al. USA

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ok now everyone has gotten me From what i've read at the site it sounds great and for the price maybe to good to be true. I wish more people will join in on this or maybe we should start a new thread for 2.4ghz modules. The more i hear about the 2.4ghz problems the more i want to stay with the PCM. But right now I'm just lost.

Jeffrey:) (Love and Peace to all)

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06-04-2009 06:54 PM  8 years agoPost 25
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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don't think twice about moving to the s/s 2.4ghz band, especially with ignition based engines

I was completely agnostic about moving from PCM especially with my glow stuff. But I regularly had some issue with my ignition models where at some orientation, in some set of circumstances I would get holds

So I finally moved to the FASST system and I just couldn't believe how those problems went away. Of course I'd rather see you move into the new high speed (7ms) Futaba systems, but as long as you stay with the mainstream providers, you'll get similar results.

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06-04-2009 07:03 PM  8 years agoPost 26
Justin Stuart (RIP)

rrMaster

Plano, Texas

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The more i hear about the 2.4ghz problems the more i want to stay with the PCM.
If you go with Futaba or JR/Spektrum, you will be very happy.

With 2.4Ghz, in time you'll say to yourself, "I don't know how I ever lived without this." I can't tell you how liberating it is not to have to worry about someone turning their transmitter on and shooting you down.

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06-05-2009 12:10 PM  8 years agoPost 27
turboomni

rrProfessor

East of the Equator

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Never happy. The benifits of a GOV are great especially if you do stunts that unload the heli disk. If you are just hovering around with forward flight, mild stuff you can get away without it as the rotor head are underload most of the time. I went to a GV1 Stator setup and am very happy.
Intial setup of my first Gasser was with an Airtronics with PCM reciever. I got hits that were scary with such a large heli. I was able to tone down the hits a great deal with the use of ferrite rings on various lines going to the RX.
I then bought a JR 9303 2.4 and no more worries. Not one hit and I converted my fleet to Spectrum 2.4 system.
With the big investment required of time and money for a gas heli I would not use anything else than a 2.4 system. Never mind the potential of a heli this large and heavy to cause damage and harm to people and property.
Good Luck

Setup is everything, All my heli's can fly far better than I can pilot them

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06-05-2009 12:48 PM  8 years agoPost 28
shawmcky

rrElite Veteran

Isle of Wight,United Kingdom

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Alternative sensor for GV1
Has anyone found an alternative sensor(other than Stator Gator)from another governor maybe that will work with a GV1.The Futaba spare seems a bit pricy compared to others at a third of the price.The GV1 sensor casing is also a bit fragile for my liking .It,s close to the $50 mark here.

Team- unbiased opinion.K.I.S.S principle upheld here

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06-06-2009 04:19 AM  8 years agoPost 29
neverhappy

rrApprentice

Piedmont.Al. USA

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futaba fasst
Decided to go to Futaba fasst module combo system. futl9852. with the tx/rx 8 channel. Will be saving up for this after I get my generator for the predator. If anyone knows where they are cheaper than 299.00. Please let me know.

Jeffrey:) (Love and Peace to all)

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06-06-2009 06:38 AM  8 years agoPost 30
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Not one hit and I converted my fleet to Spectrum 2.4 system.
turboomni: What Spektrum receiver are you using, and were are you placing the main/satellite receivers?

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06-06-2009 02:59 PM  8 years agoPost 31
turboomni

rrProfessor

East of the Equator

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turboomni: What Spektrum receiver are you using, and were are you placing the main/satellite receivers?
Actually both my nitro 50 and gasser are using the JR 9 channel rx the type that the 9303 comes with. I was told at the time the Spectrum 9 channel and the JR were identical.
My plank and Trex 450 use Spectrum 6 and 7 channel rx's.

As far as rx and satellite placements I dont know if it would be of any intrest to you as my gasser ia the older Min Air 1005.
I use the standard lead to connect the satellite [short] and they are 90 degrees for the ant. orientation. Both are located in the far nose of the heli as was the old PCM system.

Setup is everything, All my heli's can fly far better than I can pilot them

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06-06-2009 03:19 PM  8 years agoPost 32
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Both are located in the far nose of the heli as was the old PCM system.
This is what I was planning to do also. There is not a lot of "real estate" on the back of the helicopter which is not either already occupied by bellcranks or is not close to the ignition coil.

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06-06-2009 04:15 PM  8 years agoPost 33
neverhappy

rrApprentice

Piedmont.Al. USA

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may be off topic alittle
but I don't think it matters. Has anyone moved the coil from the side of the engine to the back closer to the plug and mounted it on the frame on the carb side to keep the wire from rubbing the frame with the vibrations of the engines??
I've seen a few heli with the coils mounted in this location and wondered why.

Jeffrey:) (Love and Peace to all)

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06-06-2009 11:21 PM  8 years agoPost 34
CNCjunkie

rrVeteran

Kauai (The Garden Isle), Hawaii - USA

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I moved the coil for a couple of reasons. Nothing to do with glitching.

I didn't like the way the coil wire ran through the frame and wanted to keep it away from the engine heat. Just a personal preference.

I only had to drill one additional hole and used 2 alum spacers. Make sure you run a ground wire from the engine to the grounding lug on the coil.

Just another crappy day in Paradise....Aloha!

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06-07-2009 12:13 AM  8 years agoPost 35
Justin Stuart (RIP)

rrMaster

Plano, Texas

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CNC Junkie, your picture shows a very neat and tidy setup.

Since the title of this thread is "governors and generators", I have a question. Raja offers two generators, the 5.4 volt version (for 4 cell packs) and the 6.9 volt version (for 5 cell packs).

I'm wondering if anyone is using a Jewel generator set to 5.4 volts with a 4 cell battery in a Spektrum/JR setup? I ask this because my Spektrum receiver's manual explicitly states "do not use 4 cell receiver packs". Perhaps since the Jewel charges the battery pack to full charge all of the time then it doesn't matter?

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06-07-2009 12:25 AM  8 years agoPost 36
GRINCHMAN

rrApprentice

IL

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I will second that on the neat set up. I think I will have to do this in the future. I dont like the way the plug wire goes through the frame.

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06-07-2009 05:58 AM  8 years agoPost 37
CNCjunkie

rrVeteran

Kauai (The Garden Isle), Hawaii - USA

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Thanks jrockstuart and GRINCHMAN,

As a matter of fact. The pic of the Predator I posted is running the 5.4 regulated Jewel w/4cell RX pack. Not a glitch or brown out to report. it just goes and goes. Also equiped with JR 8717 servos for cyclic, DS8900G for yaw and Futaba 9252 for throttle. Also running a GV-1 gov and vstabi unit.

Just another crappy day in Paradise....Aloha!

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06-09-2009 05:23 AM  8 years agoPost 38
neverhappy

rrApprentice

Piedmont.Al. USA

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Guys for the price of the module combo set @ 299.00 I'm thinkin about just going to the 10c. Does anyone here have it and How do you like it? Any problems with the programming? I see that you can get 7ms with a HS receiver?? Any input would be great.

Jeffrey:) (Love and Peace to all)

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06-09-2009 12:46 PM  8 years agoPost 39
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I had a Futaba 9C and it was very easy to program. The 10C is just about the same thing except it has a backlit screen.

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HelicopterGasser Model RC HelicoptersOther › Governors and generators
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