PPRuNe Forums - Search Results
PPRuNe Forums

Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Wikiposts
Today's Posts
Search
Vendor Directory
Search: Posts Made By: IFMU
Showing results 1 to 9 of 9
Search took 0.00 seconds.
Forum: Rotorheads
20th Jun 2014, 10:56
Replies: 85
Views: 35,845
Posted By IFMU

I/C, I had missed the date in the PM article,...

I/C,
I had missed the date in the PM article, thanks. I had heard nothing but first flight this year. Usually the programs folks spin only in one direction. There was a classic AIN article that...
Forum: Rotorheads
19th Jun 2014, 18:54
Replies: 85
Views: 35,845
Posted By IFMU

Perhaps the army will plot the data for the 6000...

Perhaps the army will plot the data for the 6000 or so LB Schweizer X2 against the twice as heavy Sikorsky raider and make up their own minds.
Bryan
Forum: Rotorheads
11th Oct 2013, 14:55
Replies: 85
Views: 35,845
Posted By IFMU

Perhaps Mil and Kamov argue like Bell and...

Perhaps Mil and Kamov argue like Bell and Sikorsky! Would be hard to imagine a Kamov guy saying bad things about a coax.
Forum: Rotorheads
11th Oct 2013, 14:11
Replies: 85
Views: 35,845
Posted By IFMU

I believe Mr. Tischenko didn't challenge the...

I believe Mr. Tischenko didn't challenge the scalability, just the viability of the whole project:


Good comment about pprune vs Wolfram Alpha, I liked that. Also I agree, we will see in time. ...
Forum: Rotorheads
11th Oct 2013, 11:43
Replies: 85
Views: 35,845
Posted By IFMU

So rather than doing "the math" we have an off...

So rather than doing "the math" we have an off the cuff generalization that says it won't scale up. Sikorsky therefore has either done an off the cuff generalization that says it is good, and they...
Forum: Rotorheads
10th Oct 2013, 17:10
Replies: 85
Views: 35,845
Posted By IFMU

At the AHS talk IIRC they said they didn't fly...

At the AHS talk IIRC they said they didn't fly the fairings because they had already met the goals and the company objectives moved the focus to raider. I believe they also said they would expect a...
Forum: Rotorheads
10th Oct 2013, 13:04
Replies: 85
Views: 35,845
Posted By IFMU

Figure 9 in Mr. Walsh's paper shows rotor power...

Figure 9 in Mr. Walsh's paper shows rotor power as zero, plus or minus, at speed. Would this not make TTP a function of only flapping at high speed? Also, do you think the rotors will cone together...
Forum: Rotorheads
9th Oct 2013, 21:28
Replies: 85
Views: 35,845
Posted By IFMU

In the un-simplified version of your analysis,...

In the un-simplified version of your analysis, are differential controls for controlling lift offset factored in? They are mentioned here:...
Forum: Rotorheads
7th Oct 2013, 22:35
Replies: 85
Views: 35,845
Posted By IFMU

As helicopters get bigger, do the blades get...

As helicopters get bigger, do the blades get thicker? Does this affect stiffness? I don't see that in your figuring.
Bryan
Showing results 1 to 9 of 9


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.