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HomeAircraftHelicopterHelicopter Main Discussion › Grip Bearing Arrangement
01-29-2013 12:10 AM  5 years agoPost 81
BobOD

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New York- USA

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Noobyflyer,
Are you here to contribute something?

Team POP Secret

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01-29-2013 12:14 AM  5 years agoPost 82
Ace Dude

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USA

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Well, perhaps someone should call Henseleit Helicopters (Winner of the 2012 IRCHA Seed Cup) and ask them why they do it this way.
This is a sleek, well designed rotor capable of loads that of rotors nearly twice its girth.

I already explained why most others do it r/r/t...it's EASY to design and manufacture. Not better.
BobOD, Which r/t/r helicopter(s) do you own?

Do you believe Henseleit Helicopters won the 2012 IRCHA Seed Cup simply because of their grip bearing arrangement?

If you're so curious as to why Henseleit does it this way why don't you call them yourself?

The real practical question is, how much better is r/t/r vs. r/r/t in our specific (i.e., 500-800 size R/C helicopters) application.

  

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01-29-2013 12:21 AM  5 years agoPost 83
BobOD

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New York- USA

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Zbawer, well yes, I would certainly hate to be the engineer assigned the task of making an r/t/t/r. This would need 2 shoulders in the grip to apply thrust to each thrust bearing separately as well as a means to transfer the thrust of each up through to the bolt. That would be a challenge for sure. r/t/r/t certainly would be more do-able.

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01-29-2013 12:28 AM  5 years agoPost 84
BobOD

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New York- USA

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If you're so curious as to why Henseleit does it this way why don't you call them yourself?
I was responding to a challenge thrown at me earlier. It was just a little quip. No biggie.
I know why they do it this way. No need for a call. It is all explained above, between all the cheap shots from those that don't want you to know the truth (for what reason I can't imagine).

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01-29-2013 12:29 AM  5 years agoPost 85
RCHSF

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NC

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BobOD that could be done with a two piece grip that bolts together.

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01-29-2013 12:33 AM  5 years agoPost 86
BobOD

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Yes, just a matter of being clever.

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01-29-2013 12:39 AM  5 years agoPost 87
Ace Dude

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USA

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BobOD, It appears you missed my three other questions.

1) Which r/t/r helicopter(s) do you own?

2) Do you believe Henseleit Helicopters won the 2012 IRCHA Seed Cup simply because of their grip bearing arrangement?

3) The real practical question is, how much better is r/t/r vs. r/r/t in our specific (i.e., 500-800 size R/C helicopters) application.

  

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01-29-2013 12:56 AM  5 years agoPost 88
BobOD

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Those questions do not pertain to the question at hand. And that is, which is a more efficient design and why? rrt or rtr.

But I'll give some answers.
1. Hopefully manufacturers will see the information I provide and more will make them availablle. Some manufacturers do already. This would, IMO, be a benefit to the hobby.
2. There's more to it than that of course. Put it this way, I was not surprized to see such a sleek rotor design handle the loads that won that competition with such authority. When you're in the know, you can appreciate the fine details. As a hobbiest, I like to share that knowledge.
3. With luck, there will be more and we'll see.

I have just one question for you Ace. You seem annoyed. Why for Pete's sake?

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01-29-2013 01:12 AM  5 years agoPost 89
OICU812

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Edson, Alberta, Canada

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Actually those are good questions Ace asks and are very in line with this topic, they should be answered.

...Once upon a time there were Nitros, flybars and frequency pins...

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01-29-2013 01:41 AM  5 years agoPost 90
BobOD

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But it works just fine.
heard a shaft break, also a high head speed bolt break at 2005 IRCHA during a drag race, rappy
BTW Misskimo, Raptors use r/r/t in their main grips so I can't see your point. TT does use r/t/r in some of their tail grips though.

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01-29-2013 01:44 AM  5 years agoPost 91
BobOD

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New York- USA

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You seem annoyed Shawn. Why for Pete's sake?
Stop being a nuisance will ya. It's not what you want to think.
You're just trying to get me censored. Pretty discreceful don't you think?
If you have a good point to make about the topic, make it. Otherwise, hit unsubscribe. It'll be good for your health.

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01-29-2013 01:46 AM  5 years agoPost 92
Brokenlink

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Oakdale

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When you're in the know
Ok,which companies are "not in the know" maybe a letter to them that the way they are building helicopters is not the best way as you know differently.

Jamie Griffith

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01-29-2013 01:59 AM  5 years agoPost 93
Ace Dude

rrProfessor

USA

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Those questions do not pertain to the question at hand. And that is, which is a more efficient design and why? rrt or rtr.

But I'll give some answers.
1. Hopefully manufacturers will see the information I provide and more will make them availablle. Some manufacturers do already. This would, IMO, be a benefit to the hobby.
2. There's more to it than that of course. Put it this way, I was not surprized to see such a sleek rotor design handle the loads that won that competition with such authority. When you're in the know, you can appreciate the fine details. As a hobbiest, I like to share that knowledge.
3. With luck, there will be more and we'll see.
My questions are most certainly relevant to the question at hand.

If you feel so strongly that the RTR design is superior to the RRT design then you would have certainly implemented the design in your own aircraft.

Considering some manufacturers have already been employing the RTR design for quite some time, what exactly is it your trying to gain by bringing this to light?

  

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01-29-2013 02:01 AM  5 years agoPost 94
RCHSF

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NC

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^^^They may decide to go back to brass bushings.

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01-29-2013 02:08 AM  5 years agoPost 95
Ace Dude

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USA

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Stop being a nuisance will ya
BobOD, It's intuitively obvious you're being the nuisance here.

If you can't measure how much more "efficient" the RTR design is as compared to the RRT design, within our specific R/C helicopter application, then, quite frankly, you haven't proven much.

  

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01-29-2013 02:08 AM  5 years agoPost 96
BobOD

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New York- USA

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Another one stooping to get me censored.

Give it a break. They're toys and it's a hobby. Hobbiests like to share knowledge. Get over it.
And BTW, please get back on topic. Guess what, if there are no further worthwile, alternative views, the thread's done.

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01-29-2013 02:10 AM  5 years agoPost 97
BobOD

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New York- USA

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They may decide to go back to brass bushings.

Um...no.

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01-29-2013 02:27 AM  5 years agoPost 98
Brokenlink

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Oakdale

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Whats wrong with brass bushings? Lots and lots of new helicopters only last a few weeks until crashed.Bushings will be cheaper.

Jamie Griffith

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01-29-2013 02:27 AM  5 years agoPost 99
OICU812

rrMaster

Edson, Alberta, Canada

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Lots of asking questions and wanting to be noted as superior but no answering simple questions from other members. Makes no sense really...

...Once upon a time there were Nitros, flybars and frequency pins...

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01-29-2013 02:34 AM  5 years agoPost 100
Ace Dude

rrProfessor

USA

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Lots of asking questions and wanting to be noted as superior but no answering simple questions from other members. Makes no sense really...
+1. Based on his own responses in this thread I can only conclude he started this thread to gloat at his own posts.

  

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