rrTV-PHOTO   New HD TV
HOME   rrTV-PHOTO   GALLERIES   MY GALLERY   HELP-FAQ
myHOME PM pmRR MEMBERS 694 ONLINE 26 EVENTS SEARCH REGISTER  START HERE
 
19 pages [ <<    <     10      11     ( 12 )     13      14     NEXT    >> ]26191 viewsPOST REPLY
HeliProz . ZoomsHobbies . HeliHobby

.
.
Flybarless Rotor Head Systems > New Flybarless System
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

I think going to the right is just a coincidence, it actually went to the left on another try.


Nick Crego
Back off man, I'm a scientist.
04-18-2008 03:33 PM
 
 
Bruce2.5D
Heliman
Location: Vancouver, Canada

Re testing in all configurations, flight testing for every possible config would require infinite test helis, which are not available. But it has been bench tested for dozens of configurations, and flight tested for a number of models and mods of each model. That said it is (literally, provably) impossible to guarantee zero bugs in a complex piece of software. I am open to the idea that a user could find a bug, I just doubt it.

>"Also, where can we get more of that foam tape? That stuff is great. It's a lot like Zeal Gel, but a tiny bit more rigid, and probably a lot less expensive."

It's 3M 4408 foam tape, bought by the reel from Uline. Unfortunately (or not) you have to buy a huge reel.

Still trying to sort out Eury's problem. Might try modding a trex450 here to duplicate his setup.
04-18-2008 03:42 PM
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

Quote 
It's 3M 4408 foam tape, bought by the reel from Uline. Unfortunately (or not) you have to buy a huge reel.

$53 for 36 yards isn't bad. I'd have enough to mount everything I could ever want to anything I could ever want to mount it to. Maybe I'll buy a roll and sell a bunch of it.


Nick Crego
Back off man, I'm a scientist.
04-18-2008 03:46 PM
 
 
Unpoor
Heliman
Location: Ange Sweden

I second on that :-)
U buy and ill buy half from you..

T-Rex 600N Pro SK360, Hurricane 550, T-Rex Hybrid, DX7
04-18-2008 04:41 PM
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

I've gone through the heli, and everything is working properly, phasing is dead on, and the gyro is correcting properly. I've sent Skookum my setup file from the gyro, we'll see what they come up with.


Nick Crego
Back off man, I'm a scientist.
04-18-2008 04:44 PM
 
 
Unpoor
Heliman
Location: Ange Sweden

I whont have time to test my 600N with this thingy until next weekend, but ill sure have to make some chicken sticks again..
the Pro version isnt that cheap to wack...

T-Rex 600N Pro SK360, Hurricane 550, T-Rex Hybrid, DX7
04-18-2008 04:47 PM
 
 
Unpoor
Heliman
Location: Ange Sweden

ohh im also going for a steelplate and 2 sets of foam tape like on the ds760 mounting..

T-Rex 600N Pro SK360, Hurricane 550, T-Rex Hybrid, DX7
04-18-2008 04:50 PM
 
 
Bruce2.5D
Heliman
Location: Vancouver, Canada

Hi Unpoor,

If you go with the steel plate idea, might be a good idea to use futaba pads or other gyro pads of similar thickness. The 3M tape is thick enough that I'd worry about too tall of a stack resonating.
04-18-2008 05:01 PM
 
 
Unpoor
Heliman
Location: Ange Sweden

Yes I was thinking of that.. the DS760 is pretty thight fixed even with steelplate.. 3M whould be far from that using two sets

T-Rex 600N Pro SK360, Hurricane 550, T-Rex Hybrid, DX7
04-18-2008 05:06 PM
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

Went out and got a set of carbons for the 400 today. I'll try another test hop tomorrow, Bruce2.5d suggested I try trailing edge control on the grips, I don't see how that'll help, but I'll give it a shot tomorrow. I'll have my wife come out with the video camera to record it so you can all see if the heli does anything weird or if it works.


Nick Crego
Back off man, I'm a scientist.
04-19-2008 12:19 AM
 
 
e-copter
Senior Heliman
Location: Nice, France

Hi Eury,

just a question, i can see on your picture, your unit shows, upside down, a writing " This is the front " and i can see it facing on the side of the heli.
How do you modify the software setup for this 90°rotation ? is it the 90° thing mentionned before in the thread ? I do ask the question prior to install my unit which should be on it's way in a few days )

I fly already my little flybarless "Gemini" without any kind of stabilisation system, but i'll try with the SK360 unit to see how it performs.

I use Mblades Sprofile blades with modded CG, it helps a lot already for flying quiet, i hope to get a rock steady behaviour with the SK 360 )

BEst regards,

Fabien

Only problem will be to find room on that one to fit the unit lol !



Too much is not enough....
04-19-2008 12:45 AM
 
 
Kai_Shiden
Heliman
Location: Seattle, WA

Don't feel bad Fabien, I'm having the same issue figuring out where to fit the unit on my flybarless Maxir (was going to test on the larger Sniper, but the takeoff incidents have me scared for my nice CF mainblades). I'm going to start with Maxir plastics because they can take a beating (then progress to FG and CF, I have tons of Maxir spare parts, but only about one or two crashes worth of spares for my Snipers).

I just picked up my SK-360 from the post office so have to do the cold test tonight, but hope to have it flying before this upcoming wednesday's indoor session.

Bruce2.5D, do you have your settings from your BladeCP testing? (my Maxir has a larger rotor, but lighter AUW, very low vibes, nice slop free head, very tight damping, slight taming delta3 offset), I would like to have some starting settings to work with.

-Kai


-Kai_Shiden
04-19-2008 12:57 AM
HOMEPAGE  
 
 
Bruce2.5D
Heliman
Location: Vancouver, Canada

Kai> Bruce2.5D, do you have your settings from your BladeCP testing?

Sorry don't really have them, they're not useful to you because I used the stock radio which has hard-coded mixing, so had to use the "self-teaching" demix-remix feature. It must have had 20 degrees of cyclic pitch, so the gain settings weren't on the same scale. I'd start at 55% Hiller though.

Re Eury's heli, unlike others that had problems and are now flying or at least have a reason why not, I haven't yet figured out what's wrong there. He emailed his setup file, and it flew a trex450 here with the gyro mounted the same, the same gains, and just one swash mix # reversed to suite the 450. I no longer think it's a trailing vs leading grips issue, because the grip ball looks centered (zero delta). Might be worth a shot still to flip it, but I'm honestly stumped as of this posting.
04-19-2008 01:04 AM
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

Got it out again, this time with new carbon blades, new spindle, and the grips flipped to trailing edge control. Reversed the swash value in the gyro so the collective operated in the right direction with the grip flip, and went out to try it. I put a broom handle through the skids to hold it down to prevent a repeat of this morning, and spooled it up. I got a quick twitch forward on the cyclic (not nearly as bad as this morning), but it settled down once up to full speed, so I decided to give it a go. Pulled the broom handle, spooled up without a twitch, and as soon as it got light on the skids it gave itself full cyclic forward and flipped onto the blades, meaning that my $36 (with tax) investment in blades lasted me all of .1 seconds. Sorry, no video of the "flight", my wife was putting my son to sleep, and since it looked good I didn't bother to get her.


Nick Crego
Back off man, I'm a scientist.
04-19-2008 02:11 AM
 
 
Bruce2.5D
Heliman
Location: Vancouver, Canada

Ok, Eury, that gyro needs to be returned for a checkout. I have no explanation for that one.

[edit: actually, if the gyro checks out on return then it would be something about converting this heli. Hard to tell what without more experimenting or data logging, each heli model is different. By all reports the gyro was set up correctly and responding correctly on the ground.]
04-19-2008 02:17 AM
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

I did video the head moving and responding properly before I flew it, I'm compressing the video and I'll put it up in a few minutes.

Here's the link.

http://youtube.com/watch?v=Flsf2lgWQqs

Bruce is taking care of me on this. I really feel like he's a good guy, and my SK360 will be in the mail back to him tomorrow so he can get to the bottom of what is wrong with this.


Nick Crego
Back off man, I'm a scientist.
04-19-2008 02:20 AM
 
 
e-copter
Senior Heliman
Location: Nice, France

Hi Kai,

i'm sending stuff to David on monday, i have put the Gemini flybarless head witht the cyclic follower and the swash for you to test on the Maxi R.
I'm not feeling too bad with the Unit as i'm used to fly the MS Composit AS 350 3 blade, the MAxi R 4 and our Gemini since a while.
Will be just hard not to have the good old reflex to bring left aileron when FFF fast speed lol ))

Back to the SK360, sorry for your bad adventure Eury, hope it will be back to normal very soon

BEst regards,

Fabien

Too much is not enough....
04-19-2008 02:35 AM
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

It will be, I wouldn't let my experience scare others, it looks like an isolated defective gyro.


Nick Crego
Back off man, I'm a scientist.
04-19-2008 02:37 AM
 
 
Eury
rrProfessor
Location: Ankeny, IA, USA.

Just another update, I'm sending the whole heli up to Canada so Bruce can check it out and get things working. This is a great company.


Nick Crego
Back off man, I'm a scientist.
04-19-2008 02:51 AM
 
 
jyzoom
Senior Heliman
Location: Singapore - jyhelistore

Eury,

Interesting. I am not expert but mine on VBAR or CSM both have a lot more visible compensation then what yours is showing on the video.

Jonathan

MSHELI Protos with Gyrobot - Jazz80,cc bec@6V,9650s,9257,15T, Lipo2600-6S
04-19-2008 02:57 AM
HOMEPAGE  
 
 
19 pages [ <<    <     10      11     ( 12 )     13      14     NEXT    >> ]26191 viewsPOST REPLY
Ron’s HeliProz South . Century Helicopter . MTA Hobbies

.
.
Flybarless Rotor Head Systems > New Flybarless System
  UPDATE SCREEN   PRINT TOPIC Advertisers 

Subscribe to This Topic

Thursday, October 16 - 1:25 am - Copyright © 2000 - 2008 runryder.com | email | link to rr | runryder needs cookie