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Boca Bearings . Modefo's RC Helicopters . XHELI.COM

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Scale Model RC Helicopters > Vario Dauphin
 
 
patty48Heliman - Location: Gippsland , Australia. -
Hi Guys
I’m a bit of a newbie when it comes to big scale helis looking for some feed back and a good guide to what path I should go to from where I’m at now.
I’ve just brought second hand not flown not set up yet Vario Dauphin 365 it has the X-Treme machanices main shaft is 10mm, OS-SZ 70 engine with tuned pipe Vario Fenestron set up on tail, Vario retracts and a 2 blade head, Futaba 401 gyro on tail. The length of the model is 1680 mm long
I would like to set it up with the Vario 4 blade head do i need to get anything else to get it going as it should?
Guys’ looking at the models size it seems to me the OS 70 would be to small for this heli have I got anything to worry about?
I would like to stick to Vario parts if possible

Any input would be much appreciated
Cheers Patty
08-10-2008 04:06 AM
 
 
AdeH
Senior Heliman
Location: Kent, UK

IMHO yes

In my humble opinion the OS 70 would seem ok.
But that said I am no expert in the tail part of the heli.

I have seen the current scale world champion fly bigger helis than that on a OS60!

As for the Vario, stick with them if you can it makes life SO much easier. I tried the cross parts route and came unstuck, it is a costly way to find out if like me you dont have all the expertese.

Let us know how you get on though!

A

After scale everything else is a toy!
08-10-2008 03:51 PM
 
 
modtron
Veteran
Location: Oxford. UK

Hi Patty,

I think the answer you are looking for is this......

You will need the following Vario Items.....

1, Main Shaft
2, Swash Driver
3, Pushrods & Ball Joints
4, Blades
5, Head
6, Possible Head Cover (Dome)

Your 70 may fly it, but it is more likely to struggle with any heat issues - so you may need to consider changing to a 91.
In which case you then need to look at changing the gear ratio.

It's all possible, just a case of if you think it's worth it.

Any mixer and extra gyro's are not a must have requirement, but may be an advantage if you cannot get on with the way it handles.

You may need to have the ability to change the Phase Angle Input from the transmitter. This will help in getting your pushrods as straight as possible.

modtron
Oxford UK
08-10-2008 05:24 PM
HOMEPAGE  
 
 
Christopher J
Key Veteran
Location: Kansas City, MO Californian lost in land of Oz

The OS 70 should have plenty of power for your Dauphin. I fly a friends EC135 with Extreme mechs, fenistron tail, and four blade head on a Rossi 11.5 (65 size)motor with plenty of power in reserve. Your OS should fly on lower nitro then most other varients of the motor that you are used to.

As far as needs you will need a four blades head and blades as well as a swash follower. I would also get either a Helitronix mixer with two CSM 180 gyros or a Helicommand Rigid to make the head more managable.

Do you have much experience flying multi heads?

Christopher J
East Coast Vario Field Rep
"Still all set & Flying the original"
08-10-2008 05:25 PM
 
 
patty48
Heliman
Location: Gippsland , Australia.

Hi Guys
Thanks for the input so far I’m still getting my head around what I need to get to get her up and going before painting, it sounds like the OS 70 will do the job!
I finished getting the retracts all sorted yesterday they work a treat!
Christopher I’ve had no experience with multi heads at all but I do intend in changing it over to 4 blade head tho, also the blades on the Fenestron seem very soft as in they bend very easy do they need to be upgraded to carbons tails ?
Christopher which mixer would you recommend for the 4 blade head
I’ll keep you posted as I do more on it.
Cheers Patty
08-11-2008 01:49 AM
 
 
Christopher J
Key Veteran
Location: Kansas City, MO Californian lost in land of Oz

You'll be fine with the plastic blades. The piro rate on the EC 135 and the Dauphin is fast. The thing I would definately recommend is a set of speed up gears to increase your tail RPM. I run speed up gears in all my Vario scalers, don't really need them all the time but I like having "tight" tail authority. You can get the carbon feni blades but I'd spend the money on a good mixer for the head. I use both Helitronix and Helicommand mixers so either will suit you well. I feel the Helitronix has ease of set up over the Helicommand.

Christopher J
East Coast Vario Field Rep
"Still all set & Flying the original"
08-11-2008 02:52 AM
 
 
patty48
Heliman
Location: Gippsland , Australia.

Hey Guy
What’s it the preferred rotation for the X-Treme machines on the Dauphin, just I’m getting conflicting answers, moving to a different brand of heli is doing my head in!!
Cheers Patty
08-11-2008 01:05 PM
 
 
modtron
Veteran
Location: Oxford. UK

The Exteme for the Dauphin is desinged for Right hand rotation.

modtron
Oxford UK
08-11-2008 01:19 PM
HOMEPAGE  
 
 
patty48
Heliman
Location: Gippsland , Australia.

The X-Treme mechanics i have now are left hand rotation, I here the right hand rotation is more widely used it this right?
Cheers Patty
08-11-2008 03:19 PM
 
 
modtron
Veteran
Location: Oxford. UK

Patty 48

The normal Extreme mechanics for the Dauphin are part number 1002/9 and are supplied with a belt drive for the first stage and then a gear drive for the second - hence the RH rotation.

I am guessing that your mechanics are part number 1002/8.
On this model it still uses the belt drive for the first stage but also uses belt drive for the second stage - hence the LH rotation.

The other things to note are.....
1, The gear ratio's are also different.
The LH set are 10.2:1 and the RH set are 10.1:1. Not much of a difference.
2, The Fennestron as standard, is mounted on the exhaust side on the RH set and on the LH set, it is mounted on the other side. In both cases, it rotates in an anti-clockwise direction.

Most Vario designs are LH rotation, but many of the other manufacturers are for RH rotation.

The choice, as always, is up to you as to what you want to use.

modtron
Oxford UK
08-11-2008 04:03 PM
HOMEPAGE  
 
 
Christopher J
Key Veteran
Location: Kansas City, MO Californian lost in land of Oz

He pretty much hit the nail square on the head....Also if you look at pics of the Dauphin it is a right hand rotation helicopter.

Christopher J
East Coast Vario Field Rep
"Still all set & Flying the original"
08-11-2008 11:06 PM
 
 
patty48
Heliman
Location: Gippsland , Australia.

Thanks guys
Seeing we have this sorted I’ll press on and get the parts needed
I'll keep you posted
Cheers Patty
08-12-2008 03:12 AM
 
 
patty48
Heliman
Location: Gippsland , Australia.

Hey Guys
Been doing a bit of work on the Dauphin today I’ve modified the front oleo strut so the duel wheels are trailing behind the strut looks more scale now, and fitting the fibreglass work up, it needs a bit of fine tuning to get to fit nice before painting at a later date, wired the retracts up using mini dean plugs that’s a big job out the way.
I’m looking at changing the slider brackets on the side doors to aluminium, they’ll last longer than the original ones seeing they will be needed to work faultlessly for accessing the charging jack, glow plug, & refuelling etc .
Cheers Patty

08-13-2008 08:04 AM
 
 
Christopher J
Key Veteran
Location: Kansas City, MO Californian lost in land of Oz

Looks like you have a pretty big sub-woofer there in the cockpit, your pilots plan cranking some serious tunes while flying?

Seriously though, it looks as if you're off to a good start. Keep the updates coming.

Christopher J
East Coast Vario Field Rep
"Still all set & Flying the original"
08-14-2008 01:55 AM
 
 
patty48
Heliman
Location: Gippsland , Australia.

Heheheheh yeah Chris she’s a bit tail heavy with no mechanics, had to find something heavy enough!! Chris what are the guys building scale ships using for Navigational lights theses days I have curtec system in my Airwolf but they have gone out of business
Cheers Patty
08-14-2008 02:15 AM
 
 
Christopher J
Key Veteran
Location: Kansas City, MO Californian lost in land of Oz

The only lights I use in my scalers are GEM 2000 lights from Electotek RC. I can look up thier web address if you like. They will make light sets to your specification and the leds they use are pretty bright.

Truth be told there are other light makers out there but the above is what I prefer.

Christopher J
East Coast Vario Field Rep
"Still all set & Flying the original"
08-14-2008 03:14 AM
 
 
AdeH
Senior Heliman
Location: Kent, UK

Lighting

Patty

Have a look at Starwood Models they have a few different makes and styles of lighting also.

Ade

After scale everything else is a toy!
08-14-2008 09:09 AM
 
 
patty48
Heliman
Location: Gippsland , Australia.

Hi Ade
Thanks for that I’ll check it out, what are they like for ordering from over sea’s ?
Also looking for a pilot for the Dauphin the right scale
Cheers Patty
08-14-2008 09:24 AM
 
 
patty48
Heliman
Location: Gippsland , Australia.

Hey Guys
I did some sanding on the doors & the top cowling today I’m pretty happy with all the gaps now, there all flush with all door openings and the sliders are ready to fit back up, the new aluminium slider brackets should do the job fine.
Cheers patty

08-15-2008 08:27 AM
 
 
AdeH
Senior Heliman
Location: Kent, UK

Starwood service

Patty,
What they are like for Australia I dont know, but the service to UK is excellent.

Ade

After scale everything else is a toy!
08-15-2008 09:36 AM
 
 
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