HELP NEEDED! urgantly need info on helo blades!

cheers Wrenchbender:

were the baldes all wood and all aluminum or was it onky partial made of those materials?

I flew a Bell 47 D-1 and it had Wood ( Spruce ) blades and the jetranger I flew had aluminum blades. And the olny other form I know of is composite

cheers for that bit of info. just wondering if u have any info on what the blades are made of.

it know most modern blades are made of composit material and are classified and all that, but what were the materials used on earier helo?

cheers.

Be prepared to be educated:

Most modern helicopters have one of three types of main rotor systems:

A semirigid rotor system has two main rotor blades. The blades flap and move up and down as a unit,like a teeter-totter, to compensate for dissymmentry of lift. They also feather, twist and twist at the hub,as the centre of mass moves toward and away from the rotors axis of rotation.

These are fairly cheap and simple to maintain, but thier flapping characteristics can lead to mast bumping (the mian rotor hub makes contact with the main rotor mast.) They ae also susceptible to low-G-conditions.

Helicopters like the (R22) have semirigid rotor systems.

Fully articulated: A fully articulated rotor system has three of more main rotor blades. The blades flap as described before independantly to compensate for dissymmentry of lift, as before they also feather and also independantly ajust thier angle of attack as they rotate, and lead and lag independantly to compensate for the coriolis force. (Ef28)

Rigid: A rigid rotor system has three or more main rotor blades, the blades flap and move up and down as described before. Unlike a fully articulated system, a rigid system is hingeless and independantly ajust there own angle of attack, they can lead and lag seperate. (md500)

Regards

R.weaver

Safe legal flying

cheers steve.

Plawolf,

Try the Helicopter Museum at Weston-Super-Mare. http://www.helicoptermuseum.co.uk/ They have a contacts page on the website, and when I visited them a couple of years ago they were very friendly and helpful. I’m sure they’ll be able to give you all the information you need.

Steve

“so what helicopters do you fly and are you R22 rated, for If I had to fly a helicopter it would be the AS350 or maybe the R44???”

well im currently still a wannby, so havent been up in the air (unless u count being packed in the passenger section of a beoing or airbus). sorry if i gave u the wrong impression.

“I can provide you with lot’s of information on rotor blades, what do you need to know? I might not fly them but I do know how they fly, so what is your question?”

oh great. i would just like to find out what the blades are made off (materials), it doesnt have to be some state-of-the-art, ultra-secret new superblade, just ur average day helo blades would do.

cheers.

Yes well you do have a very good point, I just don’t think it suits me for I have flown helis and seen a few accidents, not those that kill but I have seen a few skids hit the ground and the heli flip, funny twice now both in R22’s, one at a private site.

What we all need is a harrier or a tilt-rotor like bell are doing, for im sure you love it, and all-thougth today was winded off for me to do some solo flying, I did find the helicopters were active and having fun, I saw the police Eurocopter today do some autorotations, he is the biggest bloody show-off thier is, for we are good freinds and he is always offering me to come along with some rule bending, so what helicopters do you fly and are you R22 rated, for If I had to fly a helicopter it would be the AS350 or maybe the R44???

I can provide you with lot’s of information on rotor blades, what do you need to know? I might not fly them but I do know how they fly, so what is your question?

Look forward to your reply.

Regards

R.weaver

Safe legal flying.

P.s: Whats the Rotorway executive like to fly, for its so cheap it’s providing competition for Robinson, an soon F.B.O’S are to use them. Very cheap and very roomy so I hear, must go for I have some Navagation work to do.

hi there, cheers for replying.

some interesting comments on helo v fixed wing a/c, but some of it contradicts with some of mine long held beliefs.

for example, i always thought that rotorwing are safer to fly then fixed wing (in the civilain arena at least, where fixed wing pilots do not enjoy the luxery of ejecter seats 🙁 ), as conter-rotating blades usually give the helo pilot the opportunity to land the helo in one peace in times of engine failure. on the other hand, ur average day singel engined prop can also glide if the engine goes, but u’ll need a much bigger bit of dirt to land safely, and accidents tend not to be that accomodating.

Rotor-craft are whats commonly known as death trpas in the fixed wing world, with capabilitys of O.A.P’S and well they can only do some much, for an engine failure will result in a tricky situtation, welcome to the baord, I have not seen you before but you will see my coloums in todays pilot by R.weaver.

Try fixed wing for a helicopter is a jet powered brick for those who fly it have the same characterisitcs.

Dont take it to hasty.

Nice to hear a fresh voice, a rotorcraft one, for my R22 trial

lesson lesson once was enougth to put me off for life!

Onwards and upwrads as long as it’s piper.

Regards

R.weaver

Safe legal flying