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Bell 505 question?

bell bell 505 rotor hub mechanics bell 206 rotor helicopter rotor

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#1 chris pochari

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Posted 10 May 2017 - 21:50

What's the cylinder on the top of the bell 505 rotor hub?

Attached File  bell-505-ftv1-.jpg   64.78KB   8 downloads


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#2 adam32

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Posted 10 May 2017 - 21:53

Probably something for testing since it's still Experimental.

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#3 chris pochari

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Posted 10 May 2017 - 22:14

Probably something for testing since it's still Experimental.

Cool rifles!



#4 WolftalonID

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Posted 12 May 2017 - 08:31

The 505 is no longer experimental. It is certified and they started deliveries two months ago. Our 505 is due delivery in August!

That photo was a test heli doing test flights and yes that was equipment being used dueing the test flight programs.
Sometimes we think we know it all....only later to discover we only knew all we had learned. Never stop learning.

#5 adam32

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Posted 12 May 2017 - 10:54

When was FAA certification completed?

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#6 AS350 pilot

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Posted 12 May 2017 - 13:26

Bell is building a new helicopter in 2017 that has the same basic rotor system on it as the Bell 47 that was the first civilian certified helicopter in March of 1946. Quick math; that's 71 years later. I actually thought the 505 was a joke and would never actually be put into production…I was wrong lol. 



#7 adam32

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Posted 12 May 2017 - 14:31

I actually thought the 505 was a joke and would never actually be put into productionI was wrong lol. 


I agree. I never thought they would actually produce something so lame.

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#8 WolftalonID

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Posted 14 May 2017 - 11:02

The 505's performance and flight is by far lame. It out performs a jetranger by a long ways, as the L4 tail rotor designs, and high altitude performace. Visibility is outstanding. Cant wait to be putting it to work here in Montana. You guys are just jealous.
Sometimes we think we know it all....only later to discover we only knew all we had learned. Never stop learning.

#9 AS350 pilot

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Posted 14 May 2017 - 11:48

Dude, this isn't a measuring contest so I won't bother telling you the aircraft that I fly, but trust me, I'm not jealous. However, my point was that it's a poor design. I would say the same about the Jet Ranger but it was designed in the 60's so I'll cut it some slack. The L4 is also a poor design and it is significantly newer.

 

Every Bell light machine is a Franken-copter of the same ship. Example; Bell 206B - became the 206L when they decided to stretch it and add some awkward rear facing seats and a larger engine plus a few other items - it then became the 407 when they decided to add 4 blades, a FADEC, and widen the rear of the narrow cabin - and now finally the 505 takes the same poor designed underslung rotor system and throws it in a cocpit that theydesided to copy an EC120 on. At the end of the day, a guy who's 6'2" doesn't really fit in the pilot seat of the 407 with a helmet on....all for $3 million?

 

If you disagree with me, that's fine, it's nothing personal. But remember, if Bell was good at designing machines there wouldn't be companies like Van Horn making millions on redesigning all of their mistakes.


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#10 helonorth

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Posted 14 May 2017 - 14:07

Dude, this isn't a measuring contest so I won't bother telling you the aircraft that I fly, but trust me, I'm not jealous.

 

 

 

Your user name is a hint, though. 


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#11 ElJay

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Posted 14 May 2017 - 14:24

Dude, this isn't a measuring contest so I won't bother telling you the aircraft that I fly, but trust me, I'm not jealous. However, my point was that it's a poor design. I would say the same about the Jet Ranger but it was designed in the 60's so I'll cut it some slack. The L4 is also a poor design and it is significantly newer.
 
Every Bell light machine is a Franken-copter of the same ship. Example; Bell 206B - became the 206L when they decided to stretch it and add some awkward rear facing seats and a larger engine plus a few other items - it then became the 407 when they decided to add 4 blades, a FADEC, and widen the rear of the narrow cabin - and now finally the 505 takes the same poor designed underslung rotor system and throws it in a cocpit that theydesided to copy an EC120 on. At the end of the day, a guy who's 6'2" doesn't really fit in the pilot seat of the 407 with a helmet on....all for $3 million?
 
If you disagree with me, that's fine, it's nothing personal. But remember, if Bell was good at designing machines there wouldn't be companies like Van Horn making millions on redesigning all of their mistakes.


Would love to hear your qualms with the 429.
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#12 AS350 pilot

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Posted 14 May 2017 - 14:31

I've never flow the 429, but have heard by all accounts that it's awesome! I don't fly ems but if I did, I would be happy to fly it. Would be good for that ship if they got the added internal gross weight thing worked out.



#13 adam32

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Posted 14 May 2017 - 14:32

Would love to hear your qualms with the 429.


Too expensive to purchase, too expensive to maintain and too few of them flying.

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#14 AS350 pilot

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Posted 14 May 2017 - 14:35

Oh and lol, the user name would be a good hint ;). The AS350 is my personal favorite machine to fly but I only get to fly it about 20% of the time.



#15 Nearly Retired

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Posted 14 May 2017 - 16:02

Wolfie says:

 It out performs a jetranger by a long ways...

 

 

 

Oh, please.  Of course the 505 outperforms a 206B - the French engine has got over 500 horsepower and the airframe has the L-model rotor system.  It had better outperform a 206B!  Remember, over the years and different models, the 206B never did get an increase to the input shp that it could take.  Although the RR 250-C20B engine could put out 420 hp, the trans was still only limited to 317 hp in.  So they stuck the L-model trans on the 505 and now the ship can take 495 hp for takeoff (373 max continuous).  

 

The trouble is, you can't convert all that extra horsepower into cruise speed.  You can only push a two-blade, underslung rotor so fast before the ride quality gets really bad.  Every pilot report I've read of the 505 puts the realistic cruise speed at around 110-115 knots, which is (low-skid, non-float equipped) L-model territory, which figures.

 

Plus, with those big bubble windscreens, you sure don't want to be hooking along at 135 knots down low.  A friend of mine flies a 407 up in the NY area, and he says he goes everywhere as fast as that thing will fly.  Usually at 500 feet.  Good weather and bad, night or day.  And I'm, like, "Bubba, if *you're* not afraid of taking a bird through your windscreen, I'm afraid for you!"    

 

And yeah, the 505 has a longer tailboom than a 206B, but it still has that same goddam big tail fin that blocks off so much inflow to the tail rotor.  So the 505 will be *more* susceptible to weathervaning when hovering with a tailwind.  And don't tell me the 206L doesn't have LTE issues; I'll show you a video that proves otherwise.  

 

Nevertheless, every morning I run to my computer, connect my dial-up modem, boot-up AOL ("You've got mail!") and check the internets and chat rooms for word of the FAA certification of the 505.  Every morning I am disappointed.  There are obviously some unresolved issues that the Canadians didn't think were too big a deal, eh?  I think I know what might be troubling the FAA, but I'll hold off on saying anything for now.  Or maybe not.

 

Here's a hint: If any of you have ever flown an L-model and in training done practice engine failures from cruise, you know how...well...interesting these can be - and we don't even do them at VNE.  The 505 has the same rotor system as the L-model, and its VNE is even higher!  For interesting bathroom reading, check out FAR 27.143(f)(1).


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#16 helonorth

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Posted 14 May 2017 - 20:16

Oh and lol, the user name would be a good hint ;). The AS350 is my personal favorite machine to fly but I only get to fly it about 20% of the time.

 

Hopefully some day you will not have to fly the R-22 so much. ;)



#17 AS350 pilot

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Posted 15 May 2017 - 13:42

Haha well played helonorth ;). Nothing against the R22 but fortunately that's not the case.



#18 chris pochari

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Posted 17 May 2017 - 20:23

I've never flow the 429, but have heard by all accounts that it's awesome! I don't fly ems but if I did, I would be happy to fly it. Would be good for that ship if they got the added internal gross weight thing worked out.

Air Zermatt CEO said that it's the best helicopter he's ever flown, better than the AS350!



#19 ElJay

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Posted 18 May 2017 - 18:59

Air Zermatt CEO said that it's the best helicopter he's ever flown, better than the AS350!


It's strange I've never seen any mention of 429s on this forum.

#20 chris pochari

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Posted 18 May 2017 - 19:52

It's strange I've never seen any mention of 429s on this forum.

Um OK look a little harder :)


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