Skids on a Sikorsky
I realised the other day that Sikorsky don't seem to do skids so I got curious and modified this S76 photo.
I'm no engineer so not sure if the struts are in the right places, but how do S76 drivers feel about it? Maybe it would mean less maintenance, less empty weight, less remembering, more fuel capacity. Bell did it with the 222UT and Agusta with the A119. https://www.uniquecarposters.com/media/S76-skids.jpg |
It would make a terrible sound while taxiing. :ok:
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No VIP/corporate aircraft should be on skids.
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you'd cause havoc at every airport with your downwash. At least you'd not have to remember to get the gear down when it's already down.
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One of the most frightening incidents of my career was the collapse of the rear cross tube on a Bell 214 ST. Luckily nobody was underneath it at the time. I have also seen 212 rear tubes break on a couple of occasions.
The 214 was a contract maintenance job, When the first 214 demonstrate aircraft came to us, Allan Bristow took one look at it and said " anyone putting an aircraft that weight on skids wants their head testing". |
The struts on the landing gear also act as dampers against ground resonance.
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I could never understand why the 76 has retractable gear instead of fixed gear and fairings. Flew one with the gear bolted down for weeks. We lost about 2-3 knots in cruise and that’s with gear doors blowing in the wind.
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Originally Posted by albatross
(Post 11132113)
I could never understand why the 76 has retractable gear of fixed gear and fairings. Flew one with the gear bolted down for weeks. We lost about 2-3 knots in cruise and that’s with gear doors blowing in the wind.
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Maybe that’s why the doors were blowing in the wind? :}
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Maybe that’s why the doors were blowing in the wind? |
"Less remembering"????
Umm.. time to land - gear down. Fly away - gear up. Not that difficult. |
Originally Posted by Ascend Charlie
(Post 11132213)
"Less remembering"????
Umm.. time to land - gear down. Fly away - gear up. Not that difficult. |
T he fixed under carriage system was not too popular, designed for military use originally. Where would you put the floats on the skids?
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Where would you put the floats on the skids? other float equipped skidded helicopters, on the skids! |
But not impossible, as the crash comics so often illustrate One chaps argument between the options. https://kaypius.com/2016/08/14/wheel...kids-who-wins/ Wheels never caught on with the 412. https://cimg7.ibsrv.net/gimg/pprune....28a250da1.jpeg |
That was supposed to be a photo of a 412ST mods please remove, thanks.
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Originally Posted by Tickle
(Post 11131864)
...but how do S76 drivers feel about it?
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From my army days, skid undercarriages were all about landing on rough or soft ground. For every time a 76 does that it will land 100 times on a runway/tarmac and have to taxi.
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Are there any skid equipped helicopters that can cruise at a Vne of 155 knots? |
Vne or Vh?
The Vne for skid equipped AH-1Z Zulu Cobra is 200 kts but one does not cruise at Vne. Ott.
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