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04-03-2012 03:04 PM  9 years ago
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rcbirk21

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Columbus, OH - USA

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whiplash landing gear
I saw that people are using tuff struts on the whiplash given that the stock struts are almost too strong. any got any pics of their setup? any other ideas to make the struts more break away to reduce likelihood of breaking frames? i heard of using nylon screws. is that enough, or does more need to be done?
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04-03-2012 03:14 PM  9 years ago
Mike Fortin

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USA

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The stock skids work fine, I wouldn't say they are "too strong".

The Tuff Struts give the model more of a low rider look and add a bit of "vintage" MA to it.
Have Rotors, Will Fly!
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04-03-2012 04:12 PM  9 years ago
rcbirk21

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Columbus, OH - USA

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so do the tuff strutts break a little bit easier? i was also considering drilling some lightening holes to make the skids break a bit easier. i dont mind ponying up for new skids fairly often, as long as im not breaking side frames
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04-03-2012 04:18 PM  9 years ago
Raptorz499

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NJ

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Just fly it and enjoy it...there are many other things that can fail when in flight!
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04-03-2012 04:23 PM  9 years ago
Mike Fortin

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USA

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I haven't seen or heard of the frames breaking with the stock skids, usually the skids just break away.

The worst I've seen happen is that the bolt pulled out of the frame spacer ($3.00) and it required replacing.

I don't think that there is a right or wrong when it comes to the skid options for the Whiplash, it just comes down to personal preference and which one you think looks better.

The stock skids are pretty stout so I don't know if you would want to spend the time trying to drill them out x's 4.

The weight savings would be very minimal at best for a good bit of work.
Have Rotors, Will Fly!
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04-03-2012 04:35 PM  9 years ago
philip 01

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ft worth

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installing carbon struts saved me 7.5 ounces after removing stock struts, skids, frame doublers, spacers.

running vibe 50 struts at the moment. just pickup 4 holes from lower frame plate thru different struts. takes about a minute for that then attached with longer bolts thru struts/lower frame plate.

significant weight savings and quick/easy to do.
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04-03-2012 09:31 PM  9 years ago
hams

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Ohio

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I have crashed twice. In both crashes the gear damaged the frames. I now use nylon m4 bolts to hold the gear on.
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04-03-2012 09:38 PM  9 years ago
Mike Fortin

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USA

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hams,

What damage did you have?

Was it just the plates or was it the actual frame?

I've had a couple good crashes on the E and N and haven't broken frames where the skids are so just curious.
Have Rotors, Will Fly!
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04-04-2012 09:55 AM  9 years ago
philip 01

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ft worth

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nylon bolts are the right idea. been doing that for years. saved alot of frames.

would be doing that now with the vibe landing gear but i hang an ap gimbal from it on occasion.

am considering scoring the struts so they break in a crash and save the frames.
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04-04-2012 12:37 PM  9 years ago
hams

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Ohio

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Both crashes cracked the frame at the front skid location. The stiffeners survived, but the frames did not. It also wiped out the m4 frame spacer in both crashes. The rear landing gear broke clean with no frame damage.
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04-04-2012 01:37 PM  9 years ago
hndaluvr

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Delaware

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Frame damage happened to me as well, from a hard landing squarely on the skids.
The struts were perfectly in tact... but it cracked BOTH the front frame stiffeners and BOTH main frames... then totally destroyed the 4mm frame spacers/gear mounts. The bolts stayed threaded in and undamaged, so all the carbon and aluminum pieces got totaled. The frames are unusable. The struts are nice and sturdy, but the design of them puts far too much force into the sideframes. I'd MUCH prefer replacing inexpensive broken struts... over a full tear-down expensive sideframe replacement.
I'll be going to nylon bolts, and scoring of struts too. Don't want this to happen again.
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04-04-2012 05:14 PM  9 years ago
Kelly Fairbanks

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Twin Falls Idaho

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I have also had struts break frames I just went to tuff struts problem solved. Oh and it doesn't sound like you are trying to kill it when you slide it in on asphalt runway, and they flex!
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04-05-2012 01:43 AM  9 years ago
rcbirk21

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Columbus, OH - USA

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do you have a pic with the tuff struts? how did they mount? just drill a new mounting hole?
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04-05-2012 06:23 AM  9 years ago
Kelly Fairbanks

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Twin Falls Idaho

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unfortunately I do not have a picture but just evenly space the gear and drill the four holes and use longer bolts done!!
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04-05-2012 06:57 AM  9 years ago
MichiganFlyer

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This thread has me concerned. Breaking frames instead of skids.
I broke both rear skids and the front brace on what looked like a not so hard auto landing.

I think I will modify my skids for now. This should releave energy sent to the frame.


Friends don't encourage friends to fly helis! It can cause part shortages.
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04-05-2012 07:33 AM  9 years ago
MichiganFlyer

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Lansing,MI

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I may remove most of the locating pin also so the skid pin can pop out and slide up the frame in the event of a too hard landing. Hardend screws will be considered if I go this route.Friends don't encourage friends to fly helis! It can cause part shortages.
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04-05-2012 02:29 PM  9 years ago
puma1824

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Maryland, USA

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If you opt to use Tuff Strut II skids (or other) it's pretty simple.

1. Remove original struts
2. Replace M4x16 bolts with shorter M4 bolts
3. Use bottom plate for template and drill skids of your choice
4. Replace the 4 M3x6 screws with longer M3 screws to go through skids to bottom plate / cross bracket
5. Optionally use some washers between skids and bottom plate

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