LCH and other Helicopters Discussion Thread

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adityadange
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Re: LCH and other Helicopters Discussion Thread

Postby adityadange » 07 Apr 2012 19:34

Hari Nair wrote:That's not an "IFR Probe" (not sure if there's any such thing)- its an airspeed calibration probe. It sticks out clear beyond the "dirty" air under the main rotor and measures the airspeed.
The Yellow pylon mounted things are (temporarily located) aircraft airspeed probes.


oh! i was under impression that helicopters are also refueled in air like fighters. Actually when i was writing earlier post the question crept in my mind that how do they refuel helicopter considering difference in operating environment(altitude, speed etc) of a (tanker) plane and helicopter. also i never heard of any helicopter in tanker role.

a thought just came into my mind, maybe stupid. can we have IFR on a helicopter? one can modify a mi-26 size heli into tanker role and other helis can get fuel from it. it may not be useful in attack helos but definately will help in recon and AEW types of missions.

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Re: LCH and other Helicopters Discussion Thread

Postby adityadange » 07 Apr 2012 19:45

Kakarat wrote:Looks like the Wings of LCH have also changed

yes. they seem to have round front portion and cover for pylons where the dummy rocker pods are attached.

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Re: LCH and other Helicopters Discussion Thread

Postby narmad » 07 Apr 2012 20:12

Hari Nair wrote:A couple of recent pics of TD-2 just before a test flight
and
a pic in the cockpit of an ALH during a recent flight test at high altitude somewhere in the clear skies over Bangalore!
- Hari


Sir, Thank you for posting the pics

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Re: LCH and other Helicopters Discussion Thread

Postby Hari Nair » 07 Apr 2012 20:13

@Kakarat - Yes the wings have changed. :)
@adityadange- Well you meant an in-flight refueling probe! -its not a new concept really and several types of Western helicopters, especially special-ops dedicated variants already have them to increase their range. They usually refuel from turbo-prop tankers.

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Re: LCH and other Helicopters Discussion Thread

Postby Rahul M » 07 Apr 2012 20:25

thanks a lot for the pics.

won't the airspeed probe obstruct a little of the sensor ball's FOV ? or is that considered acceptable since it is in the upper hemisphere (as far as I could gather) ?

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Re: LCH and other Helicopters Discussion Thread

Postby Hari Nair » 07 Apr 2012 20:34

@ Rahul M - welcome! will help if you enable my option to post pics directly on the site!
The airspeed probe is a temporary fitment for flight instrumentation. It will be removed after the airspeed probes are calibrated.

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Re: LCH and other Helicopters Discussion Thread

Postby Rahul M » 07 Apr 2012 20:41

sorry sir, the current forum SW does not have that option. the way you did it is pretty much the to do it.

thanks for the reply, what is/are the immediate milestone(s) LCH team is looking at, if you don't mind sharing ?

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Re: LCH and other Helicopters Discussion Thread

Postby Hari Nair » 07 Apr 2012 20:49

Well, there are quite a few changes in the offing - some of which will be pretty visible soon - we will be posting the pics - when we manage to get some good ones.
The project milestones - we will definitely talk about those when we meet up!

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Re: LCH and other Helicopters Discussion Thread

Postby vasu_ray » 07 Apr 2012 21:26

Hari saab, a hypothetical question, isn't an active protection system (APS) helpful on LCH? the rocket pods seem to be suited for holding APS projectiles as well with MAWS fitted on LCH used to cue them?

Navy was working with Israelis on an unmanned version of Dhruv, this Israeli cooperation might enable adapt the Trophy APS for Helis?

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Re: LCH and other Helicopters Discussion Thread

Postby venku_Raj » 07 Apr 2012 22:27

wings seems to be inspired from Hind , just my observation :D

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Re: LCH and other Helicopters Discussion Thread

Postby Gurneesh » 07 Apr 2012 23:00

noob pooch : Wouldn't placing the EO ball on the front of the nose give more coverage of ground than the present arrangement of fixing it on the top.

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Re: LCH and other Helicopters Discussion Thread

Postby srai » 08 Apr 2012 06:56

Rahul M wrote:sorry sir, the current forum SW does not have that option. the way you did it is pretty much the to do it.

...


Doesn't BR have a photo upload area like that setup from time to time for Aero India photos from members?

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Re: LCH and other Helicopters Discussion Thread

Postby Bala Vignesh » 08 Apr 2012 14:16

First off, Thanks a load for sharing the pics of the LCH and ALH.. Its good to see the program progress..
Hari Nair wrote:Well, there are quite a few changes in the offing - some of which will be pretty visible soon - we will be posting the pics - when we manage to get some good ones.
The project milestones - we will definitely talk about those when we meet up!

This does it.. Time for the next BR Meet in Bangalore.. Its been a year since the last meet in any case.. Rahulda any chance you'll be dropping by???

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Re: LCH and other Helicopters Discussion Thread

Postby Rahul M » 08 Apr 2012 17:09

not in the immediate future, I will have to depend on sitreps from you guys.

srai, that's for the mainsite. on the forum you will still have to go through the same procedure as exists now.

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Re: LCH and other Helicopters Discussion Thread

Postby merlin » 11 Apr 2012 12:53

Bala Vignesh wrote:First off, Thanks a load for sharing the pics of the LCH and ALH.. Its good to see the program progress..
Hari Nair wrote:Well, there are quite a few changes in the offing - some of which will be pretty visible soon - we will be posting the pics - when we manage to get some good ones.
The project milestones - we will definitely talk about those when we meet up!

This does it.. Time for the next BR Meet in Bangalore.. Its been a year since the last meet in any case.. Rahulda any chance you'll be dropping by???


Yes, should have one soon.

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Re: LCH and other Helicopters Discussion Thread

Postby member_23061 » 11 Apr 2012 12:55

Gurneesh wrote:noob pooch : Wouldn't placing the EO ball on the front of the nose give more coverage of ground than the present arrangement of fixing it on the top.


I think one of our LCH people told us the reasoning for that. At the normal height at which the Rudra will operate, there is no difference if the Gimball is above or below the nose. Above gives more stability as I remember. Knowledgeable people please correct me.

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Re: LCH and other Helicopters Discussion Thread

Postby Prem » 12 Apr 2012 10:24

is Equador still operating Dhruv? There was news about Turkey buying the same choppers but no ifo available now on the net if the deal was realized.

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Re: LCH and other Helicopters Discussion Thread

Postby adityadange » 12 Apr 2012 11:00

Jhujar wrote:is Equador still operating Dhruv? There was news about Turkey buying the same choppers but no ifo available now on the net if the deal was realized.

as i know turkey has good relations with pakistan. in such case will GOI permit sale Dhruv to them?

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Re: LCH and other Helicopters Discussion Thread

Postby Picklu » 22 Apr 2012 21:20

I knew it!!!

On 13th Morning, heard a buzz and rushed to the balcony. It was quite far off and could not identify visually, so quickly came back with camera. Took a Few snaps in full auto with the max zoom but after that went to 'lyad' mode, as usual. Today when checked, I see these 8)


Image
Image
Image
Image
Image
Image

sorry for the "chinese" quality of them though, wish had one of those 'bazooka' lens :(

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Re: LCH and other Helicopters Discussion Thread

Postby nash » 22 Apr 2012 21:46

this is LCH TD2.... :)

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Re: LCH and other Helicopters Discussion Thread

Postby Rahul M » 22 Apr 2012 22:14

good job picklu. get a good lens for pujo instead of the customary shirts. ;)

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Re: LCH and other Helicopters Discussion Thread

Postby Hari Nair » 03 May 2012 19:17

The LCH - climbing above 6000 m - a view in the cockpit
Image

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Re: LCH and other Helicopters Discussion Thread

Postby shiv » 03 May 2012 19:55

Hari Nair wrote:The LCH - climbing above 6000 m - a view in the cockpit
Image


That is an impressive 20,000 feet.

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Re: LCH and other Helicopters Discussion Thread

Postby SidSom » 03 May 2012 20:34

Hari Nair wrote:The LCH - climbing above 6000 m - a view in the cockpit


If that is not a warning to those jokers who might be planning a rehash of kargil...... I dunno what is.

Hold your horses losers ... its on its way

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Re: LCH and other Helicopters Discussion Thread

Postby Rahul M » 03 May 2012 20:55

great shot !!

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Re: LCH and other Helicopters Discussion Thread

Postby Hari Nair » 03 May 2012 21:07

@Shiv - The shot was whilst climbing beyond 6000m - and as you said - it is rather impressive!
@Rahul - Thanks!

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Re: LCH and other Helicopters Discussion Thread

Postby Surya » 03 May 2012 21:30

sorry guys

where are the pics??

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Re: LCH and other Helicopters Discussion Thread

Postby KrishG » 03 May 2012 22:01

Hari Nair wrote:The LCH - climbing above 6000 m - a view in the cockpit
http://img39.imageshack.us/img39/7520/lchclimbingoutof6000m1.jpg


Sir, any insights on the fire-power mix carried by LCH at such extreme heights ?? :wink:
Btw, an awesome shot, sir! :D

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Re: LCH and other Helicopters Discussion Thread

Postby Surya » 03 May 2012 22:09

thanks krishg

strange I cannot see the link in Hari's post

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Re: LCH and other Helicopters Discussion Thread

Postby Cybaru » 03 May 2012 22:16

Nice! 6000 meters is awesome. Would we be able to do the same in a fully loaded lch ?

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Re: LCH and other Helicopters Discussion Thread

Postby gnair » 09 May 2012 04:08

At 20,000 ft> AGL or pressure altitude, depending on outside air temperature, icing is a probable variable that the LCH design team will have to consider, for sustained operations.

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Re: LCH and other Helicopters Discussion Thread

Postby shiv » 09 May 2012 08:20

Aksai Chin is 5000 meters.

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Re: LCH and other Helicopters Discussion Thread

Postby member_20067 » 09 May 2012 08:41

Rahul M wrote:good job picklu. get a good lens for pujo instead of the customary shirts. ;)


the term "lyad" indicates Piklu is a bong just like me..!!

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Re: LCH and other Helicopters Discussion Thread

Postby SidSom » 09 May 2012 09:10

Cybaru wrote:Nice! 6000 meters is awesome. Would we be able to do the same in a fully loaded lch ?



Interestingly WikiBaba lists the service ceiling of "The Beast" at 6500m. I am sure it would not be possible to take it to 6000m "Fully Loaded", but should be able to reach there with a "useful" combat load.

hnair...you rock \m/

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Re: LCH and other Helicopters Discussion Thread

Postby Yagnasri » 09 May 2012 09:30

Bala Vignesh wrote:First off, Thanks a load for sharing the pics of the LCH and ALH.. Its good to see the program progress..
Hari Nair wrote:Well, there are quite a few changes in the offing - some of which will be pretty visible soon - we will be posting the pics - when we manage to get some good ones.
The project milestones - we will definitely talk about those when we meet up!

This does it.. Time for the next BR Meet in Bangalore.. Its been a year since the last meet in any case.. Rahulda any chance you'll be dropping by???


Sorry bangalore gurus I am no longer live in Bangalore to host it. Last time it was fun. Let me know when you are hosting. Will come to meet you all. By the way I am in TN now if there is any meet in Chennai I can travel and attend.

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Re: LCH and other Helicopters Discussion Thread

Postby svinayak » 09 May 2012 10:55

shiv wrote:Aksai Chin is 5000 meters.

What about the rest of the Tibetan plateau


The Himalayan-Tibetan orogen was created by the Indo-Asian collision over the past 70-50 Ma. Significant crustal shortening (at least 1400 km) which leads to eventual construction of the Cenozoic Tibet Plateau, began more or less synchronously in the Eocene (50-40 Ma) (figure 1). The orogen, which is the youngest and most spectacular active continent collisional belt on Earth, has long been known as the golden key to the global orogenic mechanism, and the natural laboratory for continental dynamics theory.
Tibet is the largest, highest and flattest plateau in Earth with an average elevation exceeding 5000 m. It is bound by the deserts of the Tarim and Qaidam Basins to the north, the Himalayan, Karakoram, and Pamir mountain chains to its south and west but its eastern margin is more diffuse (figure 2). The Tibetan plateau was uplifted more than 4 km and the crust under the central part of it has thickened up to 70 km (double the thickness of most continental crust). Although several models have tried to explain how such topography formed, we still have much to learn.
Last edited by svinayak on 09 May 2012 10:58, edited 1 time in total.

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Re: LCH and other Helicopters Discussion Thread

Postby Singha » 09 May 2012 10:58

10,000ft is claimed as the avg height of tibet plateau...same as Ladakh plain areas like Leh.

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Re: LCH and other Helicopters Discussion Thread

Postby Craig Alpert » 10 May 2012 05:05

Image

Tiger HAD testing... Maybe future variants of LCH Could incorporate some of the features present uptop! Wishful thinking, but depending on how much weight is shredded in the current LCH, it is very doable!

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Re: LCH and other Helicopters Discussion Thread

Postby shiv » 10 May 2012 06:37

Craig Alpert wrote:http://media.defenseindustrydaily.com/images/AIR_Tiger-HAD_w_Spikes_Mistrals_Runway_lg.jpg

Tiger HAD testing... Maybe future variants of LCH Could incorporate some of the features present uptop! Wishful thinking, but depending on how much weight is shredded in the current LCH, it is very doable!


Well I can see a hideous orange thing sitting right in front of the front cockpit blinding the chap there and humongous ugly tourist windows, no electro optical sensor and a radar that can only see front and sides and a stupid looking floppy used condom like thing hanging off the gun. I hope none of those is going to get incorporated. Wiki says the service ceiling is 4000 meters. Enough to go and crash into the side of a Himalayan mountain :roll:
Last edited by shiv on 10 May 2012 06:38, edited 1 time in total.

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Re: LCH and other Helicopters Discussion Thread

Postby PratikDas » 10 May 2012 06:38

shiv wrote:[Re: Tiger-HAD] Wiki says the service ceiling is 4000 meters. Enough to go and crash into the side of a Himalayan mountain :roll:
:rotfl:

This is great! I actually laughed out loud.


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