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08-10-2009 12:20 AM  8 years agoPost 1
Boomstrike09

rrNovice

Salisbury, MD

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Hi,

I have an x-cell ct and my skid is very flimsy and it vibrates a lot . I was wondering if there is any stiffer skids for this helicopter??? Is the fury skids stiffer???

Thanks,

Ed

Nothing flies like a 90
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08-10-2009 12:41 AM  8 years agoPost 2
BrunoBL

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Pomerode, SC, Brazil -26.71, -49.17

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I have recently bought MinAir's Tuf-Struts.

Those struts are stronger than the stock struts that came with my Spectra, and I believe they will fit the X-Cell. Do note, however, that they are not only sturdier and larger (heli sits higher off the ground), the skids that go with them are HUGE.

Skid O.D. is 11mm, and it is 43cm (almost 17" ) long! If you don't want the overly large skids, with some ingenuity it will be possible to fit the smaller-diameter skids into the larger struts. You could use small sections of larger-diameter aluminum tube to adapt the tube sizes.


...Bruno.
Spectra G on Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7

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08-10-2009 12:47 AM  8 years agoPost 3
Boomstrike09

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Salisbury, MD

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Thanks Brunobl. Do you have a part number for those skids. My skids are annoying. They are vibrating in mid air and causing the rest of the helicopter to vibrate too. Thanks for the reply

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08-10-2009 01:09 AM  8 years agoPost 4
BrunoBL

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Pomerode, SC, Brazil -26.71, -49.17

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My purchase was a bit confusing because I ordered via a Brazilian dealer. The original part that I ordered was no longer available from MinAir, according to this dealer, so from then on all the talk was in terms of the "tuf struts", not part number.

But from what I see in MinAir's site, they have the black version, #0151, and two other variants (#2500-14 and #2500-16). Judging from prices, it seems that +0151 is struts-only, and the other two are strut+skid kits.

Give MinAir a call or email them, you'll quickly sort this out.
Sorry for not having harder info on the exact part # on my struts.


...Bruno.
Spectra G on Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7

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08-10-2009 02:35 AM  8 years agoPost 5
airdodger

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Johnston USA

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The answer is not to get stronger skids but to find what is causing the vibration.

Chris

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08-10-2009 04:33 PM  8 years agoPost 6
BrunoBL

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Pomerode, SC, Brazil -26.71, -49.17

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The answer is not to get stronger skids but to find what is causing the vibration.
There are issues with the stock strut other than just vibration (granted, the OP mentioned vibration as his problem though): the 13-lb Spectra tends make the stock struts spread out ever more, to the point that many Spectra owners actually employ various bungee schemes to keep them from doing it. Possibly, other X-Cell models also suffer from the same problem?

Perhaps this will weaken the material to the point that normal heli vibration does make it shake. In any event, a taller strut that increases ground clearance is a good idea anyway IMO.


...Bruno.
Spectra G on Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7

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08-10-2009 04:52 PM  8 years agoPost 7
airdodger

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Johnston USA

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The plastic will spread with weight over time. I drill a piece of wood the size of the skid tubes and cut to the hole with a saw. The skids snap in and can't spread then. I use one in front and one in back. The one in the back can just slip over the skid no need to cut.

Chris

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08-10-2009 10:27 PM  8 years agoPost 8
Boomstrike09

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Salisbury, MD

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I was able to get rid of most of the vibration. The tail boom supports where moving due to the large ball links at the end and the very thin vertical and horizontal tail fins. I am planning to put trex 700 boom supports which does not have the large ball links at the end and I will have to find a thicker vertical fin. I decided not to run a horizontal tail fin.

How can I tell if I have a tuff strut I or II. I think I have the first version but I cannot

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08-10-2009 11:03 PM  8 years agoPost 9
BrunoBL

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Pomerode, SC, Brazil -26.71, -49.17

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How can I tell if I have a tuff strut I or II
Beats me.
I didn't know they existed until I started wondering if I shouldn't find a means of increasing the tail rotor clearance to the ground, and came across the Tuff Struts on MinAir's site. Can't tell if they are I or II.


...Bruno.
Spectra G on Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7

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08-11-2009 01:15 AM  8 years agoPost 10
DS 8717

rrProfessor

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The tuff strut 1 is taller and the skids are biger in diameter than the TS 2. I have a new set of the taller ones if your interested.

YOU ONLY LIVE ONCE..IF YOU LIVE IT RIGHT THATS ALL YOU NEED

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08-11-2009 12:33 PM  8 years agoPost 11
BrunoBL

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Pomerode, SC, Brazil -26.71, -49.17

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I probably have the I then. The skids are quite large at some 43cm, and 11mm diameter.


...Bruno.
Spectra G on Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7

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08-11-2009 02:22 PM  8 years agoPost 12
DS 8717

rrProfessor

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The large skids are 12mm dia and the smaller ones are 10mm dia.The taller struts are 55mm from the botom of the strut to where they mount to the frame.

YOU ONLY LIVE ONCE..IF YOU LIVE IT RIGHT THATS ALL YOU NEED

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08-11-2009 05:46 PM  8 years agoPost 13
Justin Stuart (RIP)

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Plano, Texas

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These "Tuff Struts" are like the stock Spectra gear, but stronger? Are they the same dimensions?

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08-11-2009 07:30 PM  8 years agoPost 14
BrunoBL

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Pomerode, SC, Brazil -26.71, -49.17

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The large skids are 12mm dia and the smaller ones are 10mm dia.
Yep, 12mm it is. Mine are those. And the taller struts, too.


jrockstuart,
Yes and no.
Stronger, but not the same dimensions. The struts are higher (but just as wide), the skids are longer, thicker.

My reason for buying them was to add ground clearance. The LARGE skids do take some getting used to, however, because the Spectra will initially look very ugl... err... different with them.


...Bruno.
Spectra G on Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7

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08-11-2009 07:32 PM  8 years agoPost 15
Justin Stuart (RIP)

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Plano, Texas

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Do you have a picture of the new skids mounted? The stock skids are too weak such that they spread out over time.

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08-12-2009 06:09 AM  8 years agoPost 16
Boomstrike09

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Salisbury, MD

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I was looking at ronlund.com and I saw the difference in height. Please correct me if I am wrong. Tuff strut I is taller then II but tuff strut II is stronger and wider then tuff strut I.

From comparing pictures I have tuff strut I.

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08-12-2009 09:59 AM  8 years agoPost 17
DS 8717

rrProfessor

Here wishing i was somewhere else

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The taller gear is stiffer than the low profile gear which flatten out when sitting on the ground.

YOU ONLY LIVE ONCE..IF YOU LIVE IT RIGHT THATS ALL YOU NEED

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08-12-2009 01:48 PM  8 years agoPost 18
Justin Stuart (RIP)

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Plano, Texas

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From the pictures on Ron Lund, I can't tell the difference between the Tuff Strut I (MA3901) and the Tuff Strut II (MA3905) except maybe the II lower profile?

The gear that came with my Spectra are 10 inches / 25cm wide at the base, and the aluminum tubes are 13 inches/ 33cm long (with 10mm diameter tubes). From the bottom of the skid to the top of the mount, they are 55mm. They are fairly soft, especially considering the weight of the Spectra. I have an elaborate system of velcro wraps to try and keep the back gear from spreading over time.

So, do they make a stronger set of struts than the ones I already have?

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08-12-2009 02:27 PM  8 years agoPost 19
DS 8717

rrProfessor

Here wishing i was somewhere else

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The 10mm skids are the smaller low profile gear.

YOU ONLY LIVE ONCE..IF YOU LIVE IT RIGHT THATS ALL YOU NEED

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08-12-2009 03:27 PM  8 years agoPost 20
Justin Stuart (RIP)

rrMaster

Plano, Texas

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So then the higher profile gear are taller than 55mm (from the bottom of the skid to the top of the mount)?

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