RunRyder RC Helicopter Topic - Vario Dauphin

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Scale Model RC Helicopters > Vario Dauphin

Jack Söderberg
Senior Heliman
Location: Gothenburgh, Sweden

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Sorry for the roll over, can pretty much feel how you feel, in meantime to let you keep the motivation and looking forward to yours electrical Ec 135 heres a link to mine electric Panther, hope it helps a little

Ps, welcome to the non-smoke generation

http://www.youtube.com/watch?v=g9DUfqiBJhs

Cheers
Jack

11-05-2009 06:12 PM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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Thanks for your post Harris
I ensure you it was not human error!!
If it was human error I would have said that was the case and not let all my fellow modelers try to help me find a cause!!
And by the way it was a light breeze!!! Were you there?
Hi DaXXXn , I'll be going back out to the flying field to see if i can find the missing link. It could give me a clue to what happened, to be quite honest I’ve never liked Vario links there to soft IMO, I’ll be changing all the swash / head links before I test it again.
After the tip over /crash every thing worked fine no loss of servo function no stripped gears btw the servos were new Futaba BLS351 metal geared servos x 4 on swash plate.
After the tip over i hit hold and the engine went to a pre-set idle so that counted out radio failure at that point.
Heli Headcase I tested the flight pack battery and going by the 8 Ball tester it showed 8.3 volts under load so that’s fine.
Hi Jack loved video of the Panther looks sweet I see you changed it from nitro to electric it seem like most scale guys are going that way.

Cheers Patty

11-06-2009 12:41 AM

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darrens
Key Veteran
Location: United Kingdom

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Hi Patty,

It clearly wasn't pilot induced as you mentioned you were getting this pitch dip previously. It has to be something electronical to cause that. I'm also sure that the missing link will not tell you anything as the links will get thrown or damaged when the blades go in.
Did you check to see if the Helitronix gyros were still firmly in place?

Cheers
D

PS I would prefer you give me four X

He who dies with the most toys is the winner!

11-06-2009 09:36 AM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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Hi Guys
Well can anybody see what's missing in the photo ?? a damm $2 Dollar item has cost me a set of blades and a new head etc..
At least i know what happened now !!

Cheers patty

11-09-2009 06:17 AM

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Carvo
Heliman
Location: Bay Shore, New York

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NO set screws! they are gone!

11-09-2009 12:21 PM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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Nope try again

Cheers patty

11-09-2009 12:23 PM

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Carvo
Heliman
Location: Bay Shore, New York

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wait. You need FIVE balls on the inner race of the swashplate, No?

11-09-2009 12:27 PM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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That's it Carvo

Well done, yes the fifth ball on the swash driver came out during the hover.and that is what caused it to tip over and do all the damage.
Cheers patty

11-09-2009 12:36 PM

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darrens
Key Veteran
Location: United Kingdom

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Looks like it can not have been threadlocked at manufacture.......I feel a law suit coming on!!!!

He who dies with the most toys is the winner!

11-09-2009 02:24 PM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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Hi Darren
I can only blame my self for not checking i guess,i did bye the Dauphin second hand unfinished project.
You learn by your mistakes ,it's the cost that sucks !!
She'll be up and going again after some new blades etc.
Anyone out there with a set of Vario 1600mm R.H, part number 404/18 they want to part with ???????

Cheers patty

11-09-2009 10:54 PM

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heli_headcase
Key Veteran
Location: Hovering around Atlanta

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Ah...

The swash driver ball gone missing does explain a few things. Once the ball fell out, the inner swash ring rotated which pulled down on the pushrods instantly providing negative pitch (assuming the grip pitch arms were of the leading variety), and the sudden drop. Now with the phasing completely mucked up, the cyclic gyros had no idea how to create a proper fore/aft, left/right correction and "corrected" the poor Dauphin left (and slightly aft) into the ground.

See, I told you it wasn't a link! Didn't know it was really a ball

HHC

So many heli's - too little time...

11-10-2009 02:50 AM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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Hi Heli Headcase
I didn't notice it till i pulled the mechanics out of the fuzz, i wasn't looking in that area of the heli at that time,then i started looking at with a fine tooth comb,it was the last thing i would of thought a missing swash driver ball i had to look at a couple of times before i saw it missing.

Was an expensive lesson this time it's going to have RED locktite !!

Cheers Patty

11-10-2009 04:25 AM

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Jack Söderberg
Senior Heliman
Location: Gothenburgh, Sweden

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Good that you localized the problem, sorry for the blades but in the end the damage could be much worse, its a nice feeling when everything works as it should especially on a scale like yours there time and effort are puttet in!

Cheers
jack

11-10-2009 10:03 PM

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Flint325
Senior Heliman
Location: Albany, New York

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Vario Dauphin

Nice to see someone else building a Dauphin. I am in the process of converting my Dauphin over to electric. I can't wait to get the thing in the air!

I do have some questions on your build.

*What type of electronics are you running on the head (ie Skookm, Heletronics).

*At what voltage are you running the vario retracts.

*What tail servo are you using for the fenestron.

*What gyros are you using.

Additionally, where did you come up with the colored swash and other parts?

Thanks.

I learned to fly inverted, I just stand on my head

11-11-2009 11:33 PM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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Hi Flint
All the questions you have asked are within the build thread but here it is again.
I'm using the Helitronix multi mixer coupled up with 2 CSM 720 Gyros on the head ,if you look back in the build you will see how i mounted the system.
The main and front retracts couple up to the Vario retract receiver Vario part number 19/12 then that goes to the RX receiver it supply's 4.8V.
Tail servo is a Futaba Hi Toque S9206 works great !!
Tail Gyro is a Futaba 401.
The coloured mechanics are a standard Vairo X-Treme mechanics i would of likes black but it's just how they come.
Post some pics of your Dauphin build Flint i'm sure everybody would enjoy the build.
I'm still thinking about changing mine to electric in the future maybe
Hope this helps.
If you have any more questions don't hesitate to ask
Cheers Patty

11-12-2009 12:20 AM

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Flint325
Senior Heliman
Location: Albany, New York

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Thanks

Thank you for the information. It looks as if we have the same set up, with the exception of 401's on the Heletronics. I'll post some photo's soon.

I learned to fly inverted, I just stand on my head

11-12-2009 07:06 PM

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patty48
Senior Heliman
Location: Gippsland , Australia.

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Flint
I have 2 CSM 720's on the Helitronix mixer !! ie head
The 401 is on the tail

Or did you mean you have 401's on your Helitronix mixer ??

Cheers Patty

11-12-2009 08:13 PM

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Scale Model RC Helicopters > Vario Dauphin

Flint325
Senior Heliman
Location: Albany, New York

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401

Thanks for the information. I saw the CSM's back in the build portion. I'm going with the 401's, only because i and use to dealing with them. I have about twelve hours left on the conversion over to electric. I don't want to jack your thread but I will post some pictures next week. I think electric will be the way to go.

I learned to fly inverted, I just stand on my head

11-19-2009 09:29 PM

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Scale Model RC Helicopters > Vario Dauphin

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