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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  Rotortech Zealous/Longranger With Wren MW54 Turbine
06-15-2009 11:56 PM  11 years ago
Glenn

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Perth, Western Australia

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Hi Matt

Do you need a binical (dashboard) for your longranger? There should of been one with the kit! I have a spare If you need It!
The gas bottle I placed behind the "broomcloset" under the middle seat laying on it's side (yep I know), just Incase It leaks the gas has not a direct route to the engine.
Did you say you are having trouble getting hold of Brian (rcrotortech) try Perth RC (08)93288986 or I have his mobile If you like, Hmmm...?
You have a pretty fantastic machine there Matt, makes me think maybe one day I should pull my gearbox out for a once over, I'd hate to think how many hours of run time It's got up now and still running silky smooth like new
I have never had any trouble with the gearbox to date, It's a very tough unit. One thing there has been talk of Is kind of making It a dry sump and sacrificing a small amount of fuel to pass Into the gearbox and out through the tunnel to get burnt up In the exhaust just like the 44 turboprop I have. Very simple and effective (just UP the oil content from 2.5% to 5%)
There Is a new scale heli from rcrotortech In development for the rotortech mech's, probably available early next year Im guessing, I should not say too much here, I can send you private e-mail with pic's ?

Take care and enjoy.

Glenn
RCrotortech Zealous Longranger, Hirobo JetRanger, Hirobo Bell 47,JR Venture 90
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06-16-2009 01:54 AM  11 years ago
MattJen

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UK

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thanks for the info Glenn

I must admit i prefer the sump system on the zealous, as there is always oil, it only takes a blockage in that fuel feed system or to accidently bend the constrictor when installing and the first you would know you had a problem is when your gear box seizes... i had a problem on my jetcat SPH5,the first i knew was, when i went to spin the blades they jammed cos the second stage bearing failed after 3 hrs..
All The Best
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06-16-2009 01:54 AM  11 years ago
MattJen

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UK

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After spending an afternoon setting up my Rotortec zealous and flying it around a few circuits, we drove out and found a field in the middle of no where.

Bell wanted to show me how the pioneers of RC hellies flew, so we had an old Eco 8, with no upgrades, no gyro, just very cheap servos, and that is it... no bling... just straight out of the box with no gyro..

As you will see had some laughs and some near misses...

I respect all the orignal pioneers of RC hellie flying, cos to fly a machine without a gyro takes some getting used to, how they used to do aeros without one amazes me...

RESPECT!!

Watch at YouTube

and the second flights.....

Watch at YouTube

All The Best
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06-16-2009 11:17 PM  11 years ago
Glenn

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Perth, Western Australia

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Hi Matt

I read In here somewhere, someone mentioned using the FADEC power to drive the oil pump, I thought what a really good Idea and was actually going to do It to the longranger. (the oil pump Is the same as the fuel pump) and will handle 7.2 volts EXCEPT 7.2 volts would drive the pump at full speed, far too fast! The zealous uses a "F" cell NiCd rated @1.5volts which turns the pump nice and slow!
I'm thinking that this Is still possible using a regulator from 7.2v to 1.5v (If they exist?) or maybe a modified speed controller.
And as for a oil flow light, maybe a 1.5 volt light bridged across the + and - terminals from the back of the oil pump motor ( I'm no electronics guru here) Just thinking basic! But If there Is no power running through the motor, the circuit won't be complete and therefor the light will not be illuminated, Indicating the pump maynot be pumping. If there Is someone with a better electronic background than me (would'nt be hard Ha ha...) could this work?

take care
RCrotortech Zealous Longranger, Hirobo JetRanger, Hirobo Bell 47,JR Venture 90
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06-16-2009 11:27 PM  11 years ago
MattJen

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UK

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Hi Glenn
Thanks for you emails, I am gonna stick with my idea of a longranger, so i am on the look out for a fuse....

onto your Pump power idea,

We have been struggling with this idea, they only do 1 cell lypos in the states you cannot get any higher than 800mps in the UK,(unless anyone knows better?) i would think 3.2 volt would be fine, as I hate NIMH batteries,
i plugged in a voltage reader to my new NIMH and it showed RED, so i charged them up and all it put in was 93mps, which is crap, so in the end i was recommended to set my charger as Nicad and charge it full, hey presto i got in over 6000mps..

I have re done the batteries and bell soldered 2 x 3000 NIMH single cell batteries together, i put in 8000Mapms, so that should be enough..

Aparently it is now illegal to import Nicads into this country, so to try and get nicads anywhere is hard, it is all NIMH and they are unpredictable.. but if i add a current UK lypo i then have to add a regulator which adds a point of failure..

Bell like me is so paranoid i have 2 battery packs going to RX via 2 switches, i also have 2 lypos to the Fadec, and i have 2 pumps now to pump the oil to gear box with 2 seperate batteries and circuits, the only reason for doing it this way, is the only time you would know the pump has failed is when your gear box seizes up... we did think of of someking warning system like on your car, we tried a mannor of thngs but in the end my second pump idea was the best option.

So by having two pumps i least limit that form happening even if it is over kill... but i would hate to see my machine go in for electrical failure..

At least if a fuel pump goes you can Auto, but with the zealous system if it stops bye bye gear box..
Matt
All The Best
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06-17-2009 02:32 AM  11 years ago
Bell Bloke

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UK

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Well Chaps here are my thoughts on this machine:
To be honest, having now flown a Wren Zealous I just don't understand why this machine has not caught on more. The build quality and design concept is second to none, it's like a flying Bentley or an old school pre 2000 Aston Vantage... it's Brutish, Powerful and a little bit Scary!
Not that it's scary to fly, No Way! In fact it's a real Pussycat. It's just that exhaust reverb off of those big paddle G2 blades creates a sound that really beats you in the chest as it flys past.. the sound is very intimidating indeed!
Now they tell me that the head can exceed easily 1500rpm!! I CAN BELIEVE IT, I CAN BELIEVE IT!! However 1200rpm was all I could stand on the day, anything nearing 1400rpm was a little overwhelming. If you are the kind of person who likes the sound of unsilenced supercharged 7ltr V8 engines or likes to sit in the bass bins at a thrash metal rock concert then this is the heli for you. As I have said, flying it is an absolute dream... it's not a highly nimble acrobatic Predator for sure, it's more majestic than that. However once heard there can be no doubt as to who really is king of the jungle!
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06-19-2009 10:27 PM  11 years ago
MattJen

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UK

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...........................All The Best
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06-20-2009 12:42 AM  11 years ago
James

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Del Mar California

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nice flying Matt cool stuff looks good !

Jim
flying is the easy part paying for it whole different story
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06-20-2009 09:46 AM  11 years ago
Bell Bloke

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UK

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I would call that a shake down flight Matt, with an electric fence at one end and a sports field at the other, plus a tree in the middle it's hard to even get into translational lift before you have to turn and come back. However you can feel the potential of this thing, can't wait to see it doing proper circuits in a place where there is space. Running a slower headspead you can really here that no matter what pitch you put on or take off the head RPM does not even budge.... at all! Getting a constant headspeed on a big heli like this is way easier than a small one. The throttle curve was a pretty broad sweeping one that we just chucked on there to start with and so far we've only changed it by 5% at one point.
The great thing about big heli that they are easy to set-up and really easy to fly. The bad thing about them is that they take up so much bloody space, are hard to transport, need alot of airspace, OH and are expensive.
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07-01-2009 02:55 PM  11 years ago
MattJen

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UK

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yeah your right, all the experimentation and trying other things has made it very interesting..

I even am getting my middle lad to start it up now, but that is as far it goes at the moment, he is learning well on hummingbird, aahh the joys of having kids.... now he wants to come everytime i go flying..

He wants to learn and has the aptitude for it, so with time i am sure he will get into a hover with the hummer..

Matt
All The Best
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07-01-2009 07:13 PM  11 years ago
James

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Del Mar California

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Quote: from Ross

The great thing about big heli that they are easy to set-up and really easy to fly. The bad thing about them is that they take up so much bloody space, are hard to transport, need alot of airspace, OH and are expensive.
Ross this is so true!

HI Matt,
you will have a lot of fun with your young lad. This sounds great he has an interested in Dads hobby and sport.
flying is the easy part paying for it whole different story
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07-02-2009 01:22 AM  11 years ago
Bell Bloke

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UK

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Hi James, yes bigger is easier to fly and set up. Bigger also hides your little flying errors and makes you look great.
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07-02-2009 02:49 AM  11 years ago
James

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Del Mar California

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I do lots of flying errors but i still have control of my machine. been flying for 15 years that's enough . All my helicopter are massive i will not fly small helicopter anymore but i will watch people fly them , I have had my fun with them i guess . If it's big it's impressive to see fly then i want it. I have four helicopter at this time. A Jetcat, a Hughes 500, US Coast Gaurd Dauphin, and an orange mongoose i fly same size as a vario .

It's that small helicopters they have less forgiving you can see every little twitch you do wrong. But they are the best to learn on because that's how you build skill you can't hide those mistakes i guess .
Jim
flying is the easy part paying for it whole different story
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07-02-2009 05:23 PM  11 years ago
DKTek

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Melbourne, FL-USA

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Gotta love the big helis! I bought a cargo van to haul my machines. I have 4 big Varios, only two flying right now, so my hauling choices are limited. I prefer the security of a windowless van that is weather resistant on long hauls. When the other two come on line, I'll definately need the room.The beatings will continue until morale improves...
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07-03-2009 12:27 AM  11 years ago
Bell Bloke

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UK

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Big Vans are bigger is easier to drive and set up. Bigger vans also hide your those little driving errors and make you look great.
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07-03-2009 09:06 AM  11 years ago
WIRLYBIRD

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CAPE TOWN / SOUTH AFRICA.

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You're all correct , My youngest son brought me his Honey Bee King in a super market bag and said keep it. I repaired the helli and upgraded it to a out runner motor and larger capacity battery , first time I got this in the air to do the trimming , it almost killed it really looked like I was a total beginner , in fact I had to learn to fly this thing , as twitchy as hell. Now it flies very well as I have gotten used to it , wnt out and bought a Blade 400 , this has better control , and is easier to fly. When I take out the NH90 , it feels like I'm on a summer holiday , can almost have a sip of tea , before the next imput to the helli , and yes the big machine does hide my age I guess.

Happy flying this weekend.
Dave.
WHAT GOES UP MUST SURELY COME DOWN.
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07-03-2009 11:40 AM  11 years ago
James

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Del Mar California

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this is great we all have the same experience with the little helicopters, i like the comment you can have a sip of tea, before the next imput so true. With these little things you have to be on your toes every secound. I don't personnaly find this fun what's so ever. So the bigger helicopters like Bell bloke mentioned Bigger also hides your little flying errors and makes you look great.

your quote:
Big Vans are bigger is easier to drive and set up. Bigger vans also hide your those little driving errors and make you look great.
Ok bell you got me cracken up.
flying is the easy part paying for it whole different story
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07-04-2009 04:59 AM  11 years ago
DKTek

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Melbourne, FL-USA

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LMAOThe beatings will continue until morale improves...
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07-04-2009 01:17 PM  11 years ago
MattJen

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UK

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with the canopy, i have now filled in all the cracks, it has taken a lot of time, but has been good learning..

I am looking for Acrylic Stopper to get rid of the tiny imperfections, does anyone know where in the Uk where i can get hold of this ? and what is the product brand name so i can at least do a google search..i have tapped in acrylic paint stopper and i got a load of other stuff nothing to do with painting at all

Matt
All The Best
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07-04-2009 02:16 PM  11 years ago
Peter Wales

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Orlando Fl

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💎Sustaining Member
Try some of this stuff Matt

http://www.kenteurope.com/uk/shop/v...d=497&type=Auto
Peter Wales
http://scalehelicopters.org
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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  Rotortech Zealous/Longranger With Wren MW54 Turbine
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