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HomeAircraftHelicopterMiniature Aircraft Whiplash & Fury 55 › Stratuss over the Xtreme
06-02-2009 10:23 PM  9 years agoPost 1
MattJen

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UK

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Hi All

I am getting back into comp flying and have been looking at a Stratuss with almost every upgrade on it..

What was the main difference between the two machines..

my first comp machine was a fury xtreme with tempest Fai head and a 8.18 gear ratio, using an hatori pipe and YS91st and to be fair i have never been happy with any model i have flown since as an FAI machine, and i cannot compete with my turbine predator as the machine is too heavy to compete.. so i have decided to go back to my original comp machine which was an xcell..

this one comes with a 2 plugged viper head, and a tonne of spares..
here is the spec

X-Cell FAI/F3c Stratus
Gear ratio 7:91,fai cliff hiatt tempest rotor head & flybar weights, can be configured to your liking),funtech carbon paddles,720 rotortech carbon blades good combo with head & paddles),h/d tail rotor drive,h/d clutch system,h/d fan rubbers,h/d control rods,tempest tail pitch system, metal blade mounts,sab tail blades,fai open tail box with metal output gear,cnc ail & elev bellcranks,cnc swash plate guide,22oz fuel tank,140 swash conversion (no interaction) carbon landing gear,ys 91st with twin plug viper head,funtech hn-90 type-f pipe,governer gv1,gy611 gryo with bls251,4x s9255 servos,4300 4.8v battery,2x conopys 1x plain white with stickers other custom painted by arizona heli (stunning) hard copy of manual & on cd

Matt

All The Best

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06-03-2009 07:57 PM  9 years agoPost 2
shawgl

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Murrieta, CA

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The difference is the frame layout, engine placement is in the front, gas tank in the back, servo location also. If you go to the MA website you can check out the instruction manual for the stratus and see what the details are. For the most part clutch, head, tail and all the gearing are interchangable between the Fury and the Stratus. They even offered a conversion kit for the Fury to Stratus model. Hope that helps. I have kicked myself for ever selling my Tempest FAI so I can sympathise. That sounds like a heck of a heli by the way. I bet it's pricey but a serious set up none the less.

In God we trust, everyone else we monitor.

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06-04-2009 11:21 AM  9 years agoPost 3
Knud Pedersen

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Denmark - Europe

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Hi

Check my reply in this tropic:
http://www.runryder.com/t517129p1/?...Stratus+tempest

Here is another tropic regarding Stratus versus fury
http://www.runryder.com/t439513p1/?...Stratus+tempest

hope it helps

ChopperKnud
Team Miniature Aircraft
ThePitchbrothers

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06-04-2009 03:36 PM  9 years agoPost 4
MattJen

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UK

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thanks for the repllies Guys.. great info

Much appreciated

Matt

All The Best

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06-04-2009 05:23 PM  9 years agoPost 5
alfred

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Australia, New South Wales, Mid North Coast

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You will find the stratus far easier to work on.
If you keep your wiring to the top then the only thing that should come to the lower frame might be a single lead for charging or voltage checking.
The ability to split the top and bottom makes for the easiest heli to service in the MA range.
Compared to my Fury Expert the trim change between a full and empty tank is just about unnoticeable.
The only part in the whole assembly was the square tank, as the location of the nipples is a bit fiddly to get in.
But that was about it.

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06-04-2009 05:55 PM  9 years agoPost 6
MattJen

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UK

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Alfred

thanks a lot for that info, so far i havent had any negative comments about it, so it is good to see ven 4 years later there is a still a healthy respect for the Xcell range of machines,

I was so happy flying my xtreeme,i really regretted getting rid of it and have been trying to find something i like ever since, the Avro came very close but i did not like the narrow canopy,

So i am well happy to be going back to my roots so to speak..

the photo's were of me in the heli magazine as i was seen as a promising pilot, but life and family took over, hard to believe it was 5 years ago..

Matt

All The Best

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06-05-2009 02:00 AM  9 years agoPost 7
alfred

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Australia, New South Wales, Mid North Coast

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Matt
I have got the magazine with that report and photos in it.
My stable includes 3 MA's.
One of them is the original X-Cell60 1003 kit. It has been upgraded over 15 years and now has a Stratus Head, CF boom, CF shaft drive, CF boom braces, OS 70, MP2, adjustable Autorotation Clutch (the little ring under the black gear)....
But still uses: The original bend metal frame, original Plastic servo tray, original tank, original tail plastic gear box complete including blade holders etc.

All upgraded parts are true MA parts and were a dead on MA bolt on and forget.
Even that I don't fly her that often, it doesn't get babied. I am not a 3D pilot but happy to do rolls, loops, flips etc with it.

My point is that with MA helies, parts don't crack from old age, you will always get parts, no matter how old the heli is.
If they don't carry the original part any more then an updated part will fit or they make a kit to upgrade the older models for that part.

Check the manual and any job you need to do on the engine/muffler/tank etc on the lower frame...split the top and bottom.
On my 8 helies, the stratus is the easiest to work on as you can lift the whole upper section off including booms, braces, LOL..even the mainblades still attached if you like.

That doesn't mean that you shouldn't look at other helies..although the one you mention seems to be a hell of a heli.
Not too fussed about the CF Undercarriage, as I have heard of them breaking if landed too hard on.
It's just for the extreme 3D pilot that is trying to save the last gram of weight.
The heli is already very light.

Having said that, don't exclude any other heli, as an example Kasama is now bringing out the Srimok 90.
Here is a link: http://www.kasama.com/index.php?opt...g=en&sub=9&c=26

A few guys here in Australia have just received their kits and are building it.

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06-05-2009 11:46 PM  9 years agoPost 8
mullinspsm

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Keystone Heights, Florida

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That is some beautiful machine work on those aluminum parts on the Srimok 90. I had never heard of them before, but very impressive.

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06-09-2009 09:27 AM  9 years agoPost 9
MattJen

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UK

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Alfred and the rest,

Thanks again for the wealth of info and help you've posted here,you are a lot more friendler bunch in this forum than others on this site!

Will post up some photo's later..

As an additional question, if you had to choose between a Stratuss or Tempest FAI which would you go for ?

I was asked by a fellow flyer and to be fair i was unsure..

Matt

All The Best

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06-09-2009 02:29 PM  9 years agoPost 10
alfred

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Australia, New South Wales, Mid North Coast

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As I haven't owned a tempest, this is a pure opinion based on 2nd hand facts.

I would go with the Stratus using the Tempest head kit.

Reasons:
1) Stratus is lighter and gives you a better power to weight ratio.
2) As already mentioned, the Stratus is very User friendly for maintenance and repair.

Part 2 above would have to be a major decision maker for a competing FAI pilot. If ever required repair between rounds require an easy to work on heli.

From what I have seen of the Stratuses, most have had the same issue, stopping the gyro from drifting.
This is due to the design being extremely rigid which causes transfer of vibes to the gyro.

From personal experience here are the fixes that I have heard of and worked on mine:

1) Use a smooth engine type..i.e YS or the newer OS
2) There is a KS? upgrade that replaces the original gyro plate with a metal one. This one will give you more surface area for larger gyros. Mine runs a Logictech6100 gyro which required the extra space.
3) Run the engine in and once the engine is reasonably tuned and run in, loosen the bottom engine mounting bolts just a touch and take the heli into a hover for a short while.
Land and without disturbing anything carefully tighten those bolts up again.
The engine will have self aligned to the clutchbell/pinion. it worked for me.
4) Now set up the gyro for that perfect lock-in feel.
Should you at this stage still have a drift problem, then use the green jelly type gyro mounting pad (can't remember the name).

2 areas to keep an eye on..hasn't happen to me but has been reported by some others:

Boom creeping.....lock the boom in at the frame end with a screw..maybe the new ones already have that fix? Use a tab of nail-polish as a marker on both ends. Should there ever be a movement, you will see it straight away.

Open tail gear box gear alignment: The gear mesh needs to be set very careful and might require re-meshing after initial run-in. It should definite be part of your maintenance program to check it's meshing periodically.

To sum up why I personally would choose a MA heli for serious competition:

Apart from the already stated parts.
MA helies show a very low wear and tear.
One way bearing system in the main gear is bullet proof> Half my fleet are MA helies. They are the only ones where the one way has never ever slipped or locked up.

Clutch Liner is the best in the market....you will never wear it out
80% of the parts have been used for years in earlier models. As some see this as a negative, it's the exact opposite. These parts have proven themselves over years of reliable service.
Any weaknesses have been ironed out long ago.

I do love the new Srimrok90, but it's an absolute unproven new model and a serious person wanting to compete would be foolish to chose an unknown.

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