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Tandem Rotor Helis Vertol Chinook > Hirobo CH-47 Chinook - Build (updated October 8th, 08)
 
 
mhawk1
Heliman
Location: Jonesboro,Ar

My Posts This: Topic  Forum		dancing swashplates?

My Ch-46 is doing the same thing with the swashes dancing. How do you get them to stop? The more head speed the worse it gets. everything is by the book,and even when i change things it doesen't have any effect. HELP?
07-15-2006 Over year old.
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Camel Jokey
Heliman
Location: Dubai, United Arab Emirates.

My Posts This: Topic  Forum		One of the oher guys on this forum gave me the idea, you need to get some CSM gyro mounting pads & a flat peice of steel heavier than the gyro, cut the mount pads in to small squares approx 5mm, stick them on to the steel plate near to the cormers, stick the gyro on to the otherside of the steel plate & put the whole thing back in to the heli, it looks & feels too spongy but it works really well.

Using this system my heli is now rock soild at 1700rpm.

Give it a go I hope this helps.
07-16-2006 Over year old.
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mhawk1
Heliman
Location: Jonesboro,Ar

My Posts This: Topic  Forum		ch-46radio setup

I got my CH-46 hovering decent, but is anyone using a JR 10X radio? What settings are people running and what are you running in the TR-SVMIX? Yaw is almost not there. I have to keep compensating for the yaw , side to side. Most of everything else is under control I think. If I get the yaw under control I think I'll have it wooped! Any info would be appreciated.

Mike
07-16-2006 Over year old.
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tow cobra
Senior Heliman
Location: Riverhead, NY

My Posts This: Topic  Forum		Are you guys using a govenor on the Chinook?

Mine flies relatively well but I haven't installed a govenor and was wondering what the consensus is on using this for the Hirobo Chinook.
07-17-2006 Over year old.
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mhawk
Heliman
Location: Jonesboro, AR

My Posts This: Topic  Forum		I'm not running a governor right now, but I probably will when I get all the other issues lined out. It couldn't hurt anything.
07-17-2006 Over year old.
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Camel Jokey
Heliman
Location: Dubai, United Arab Emirates.

My Posts This: Topic  Forum		I run a TJ pro set @ 1600 for hover, 1700 for flying, the heli seems much more predictable due to the fact that the TR-SVmixer has much less to do because of the constant head speed. climb decent & hover are all quite stable.

I would recommmend you try it, no more messing around with throttle curves, just set the pitch & your head speed, thats it.

The engine does need to be set-up first other wise the governor will cover up any incorrect carb settings.
07-17-2006 Over year old.
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bassist
Heliman
Location: Oklahoma

My Posts This: Topic  Forum		cool
07-18-2006 Over year old.
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skycom
Senior Heliman
Location: Shropshire, UK

My Posts This: Topic  Forum		swashday blues

new colour scheme for my chinook



http://www.smhc.org.uk/
QUK Team Pilot
07-18-2006 Over year old.
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mhawk1
Heliman
Location: Jonesboro,Ar

My Posts This: Topic  Forum		Ch-46 rudder control

the rudder on my 46 is very unpredictable, one minute it goes left one minute right. I'm a little scared to do more than hover because the tail, its real real slow. i know it wont be like the pod and boom, but how are you guys fling around without working the rudder stick to death? I have uped the ATVs and put more expo into it to make it more sensitive, which has helped. Is anybody using a JR 10X radio? and if so what are your settings. this thing is giving me to many sleepless nights!!HELP!!

Mike
07-23-2006 Over year old.
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pingwin
Heliman
Location: Philadelphia PA

My Posts This: Topic  Forum		Mike,

I am not able to help you much. I am using JR9303. my guess would be different collective settings on both rotors. You can check.
Soft mounting for gyro is only a cover, yes i am using it, for main rotors balancing. gyro mounting is another try
I am using pretty much standard settings, i did changes recommended on this topic and i am happy with it. i did notice yaw axis being dependent on collective settings slightly. most visible during lift off. it is fully manageable and with flying around with no crazy collective input almost i can't see it.

Try to get help from one of big boys - Jeff Green should be able to say something. It might difficult without seeing it in person.

I wish you luck,

pingwin
07-25-2006 Over year old.
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vroomz28
Senior Heliman
Location: Barstow, California

My Posts This: Topic  Forum		Updates coming soon!!!!

Skids are for kids!

My gallery:
http://www.runryder.com/helicopter/gallery/37191/
08-01-2006 Over year old.
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Camel Jokey
Heliman
Location: Dubai, United Arab Emirates.

My Posts This: Topic  Forum		***IMPORTANT-IMPORTANT***

I just discovered that if you overdrive the servos with a TRSV-MIX displayed out-put value of more than plus or minus 180 the effected servo will loose the signal & will have no power, thus causing a crash and or injury.

More of an explanation.
I have a Chinook fitted with 6 Futaba 9252 servos, whilst performing a pre-flight I noticed "RP" servo appeared to be dead, ie you could move it by hand but only when you cornered the stick full up collective & full left aileron, with TX ATV value's of 150% l&R rudder, 150% U&D elevator & 150% U&D collective, this should not happen.

I checked the servo input voltage & it is present in this condition, I changed the cell pack, I changed the servos, still the same.

Has anybody else experienced any issues with the mixer unit, it is like the trsv-mixer gets to a certain output value & is unable to provide the servo with a signal therefore the servo stays still,if you bring the stick back so that the ouput value drops below 180 (as displayed on the screen)the servo comes back to life & appears to function normally.

Not good, your input is required, please check your Helicopters TRSV-MIX output values & let me know.

Thanks Derek.
09-01-2006 Over year old.
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sambogosse
Heliman
Location: France

My Posts This: Topic  Forum		Hello,

I too have a CH-47 and I also encountered the "dancing swashplate" problem. It didn't prevented me to fly as I was running at faster headspeed values (this occurs only around one particular engine speed). But doing so didn't help the front rotor servos (which are near the engine). One of the servos died, probably due to vibrations (luckily enough not causing my chinook to crash).

So I think we all have to be very careful with the headspeed on this machine. I've made some flight tests this morning with new servo and a reduced speed and the chinook is doing pretty well now

here are 2 little pics of mine.



Cheers,

Sam
09-10-2006 Over year old.
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TBriggs
Heliman
Location: Wesly Chapel,FL

My Posts This: Topic  Forum		ACH-47

I didn't see anyone reference these 4 aircraft but here is some little known history into a attack chinook unit.
http://gunsagogo.org/

Growing old is inevitable, growing up is optional!
10-08-2006 Over year old.
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Camel Jokey
Heliman
Location: Dubai, United Arab Emirates.

My Posts This: Topic  Forum		Can anybody tell me if P/N 0402-591 SE main gear 77T ($50) & P/N 0403-219 main gear 77T ($6) are interchangable?

Its for a CH-47 Hirobo Chinook, manual P/N is the 0402-591.
10-15-2006 Over year old.
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ch-47 flyer
Heliman
Location: spokane,wa

My Posts This: Topic  Forum		hirobo ch-47

I am new to r/c helicopters, but not to r/c flying and am taking on the Chinook as a project I was wondering has anyone thought about the possibility of adding a functioning rear cargo door to the chinook for scale effect if even possible Thanks.
11-09-2006 Over year old.
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vroomz28
Senior Heliman
Location: Barstow, California

My Posts This: Topic  Forum		It's been a while since I updated this thread, but I think I finally have the programming for the electronic mixing figured out. I haven't done much with my CH-47 after my Raptor kept getting radio interference and had several crashes. I didn't want my chinook to end up in the ground. Also I haven't had much free time since moving to California.

I'm getting ready to Fly and should have some video soon.... really.. I will.

Skids are for kids!

My gallery:
http://www.runryder.com/helicopter/gallery/37191/
11-09-2006 Over year old.
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tow cobra
Senior Heliman
Location: Riverhead, NY

My Posts This: Topic  Forum		Looking foreward to the video.

I was flying my Chinook the other day and it is really a whole other animal from the pod and boom heli. Much more difficult to truly control.

Let us know if you figure some tricks/tips that can tame it and make it easier to fly.

Peter
11-10-2006 Over year old.
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skycom
Senior Heliman
Location: Shropshire, UK

My Posts This: Topic  Forum		It would be really good if you could post some details of the gyro setting and general setup too

http://www.smhc.org.uk/
QUK Team Pilot
11-10-2006 Over year old.
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autorotater
Heliman
Location: California

My Posts This: Topic  Forum		Vroom, where in Cali did you move to? If your not too far away I would like to see that 47 in the air. Im thinking that is going to be my next project as soon as I finish my electric blackhawk.

Dan
11-10-2006 Over year old.
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Tandem Rotor Helis Vertol Chinook > Hirobo CH-47 Chinook - Build (updated October 8th, 08)
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