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Search: Posts Made By: tejas_kass
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Forum: Rotorheads
8th Jun 2018, 14:38
Replies: 8
Views: 2,857
Posted By tejas_kass

Okay..... by increasing the chord size helicopter...

Okay..... by increasing the chord size helicopter is getting that extra lift which can be used at pressure altitude 6 KM above especially near Himalayas wherein winds around 17knots is very common....
Forum: Rotorheads
7th Jun 2018, 14:14
Replies: 8
Views: 2,857
Posted By tejas_kass

Tail Rotor of AS350 B3(H 125)

Regarding tail rotor of AS350 B3(H 125) , i am unable to understand that why that "small flat rectangular surface has been provided on trailing edge of tail rotor". Is there any aerodynamic reasons...
Forum: Rotorheads
20th Nov 2016, 04:50
Replies: 10
Views: 3,612
Posted By tejas_kass

helicopter nose up pitch up attitude

you are right at the time of take off it will be mid-aft CG then depending on the type of mission at the time of landing it will go further AFT CG. So in all probability there will be some allowable...
Forum: Rotorheads
19th Nov 2016, 13:14
Replies: 10
Views: 3,612
Posted By tejas_kass

helicopter nose up pitch up attitude

I was browsing the internet regarding max allowable helicopter nose (pitch up) attitude during normal take off and landing for a single engine aft CG configuration. Generally we know that as and when...
Forum: Rotorheads
7th Feb 2016, 06:44
Replies: 0
Views: 1,109
Posted By tejas_kass

Rotor track and balance in GTV.(Helicopter ground test vehicle)

When we are doing track and balance in GTV (ground test vehicle) which means helicopter tied down on ground permanently the MGB lateral vibration was high at collective angle of 0%(collective range...
Forum: Rotorheads
14th Dec 2014, 13:39
Replies: 17
Views: 6,942
Posted By tejas_kass

I would like to share our tail rotor issues at...

I would like to share our tail rotor issues at high altitude. The tail rotor is 4 bladed bearingless designed at ISA, SL. But when helicopter is doing spot on turn to right(of course our main rotor...
Forum: Rotorheads
14th Dec 2014, 13:16
Replies: 14
Views: 10,990
Posted By tejas_kass

mast moment measurement

sir you are right mast moment was measured during forward flight and there was a reference w.r.t blade no 1 on rotating mast. We know that mast moment is resultant of pitching and rolling...
Forum: Rotorheads
10th Dec 2014, 13:38
Replies: 14
Views: 10,990
Posted By tejas_kass

Mast moment measurement in hingeless rotors

I want clarification with reference to the mast moment measurement in 4-bladed hingeless rotor (Example like in BO 105, EC135, BK 117 and ALH from India). The measurement of mast moment was done on...
Forum: Rotorheads
20th Apr 2013, 07:24
Replies: 2
Views: 1,179
Posted By tejas_kass

helicopter single hydraullic actuator capability

For example in typical helicopter Nz-V envelop for 3T weightclass if dual hydraulic system is designed for 2.5g aerodynamic loads at 240kmph, what could be the single actuator capability (is it 50%...
Showing results 1 to 9 of 9


 
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