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Forum: Rotorheads

25th Aug 2021, 12:02

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

When it comes to the battle of the felt tip...

When it comes to the battle of the felt tip fairies on who has the best CGI renderings, I can see more things in here that I can relate to a workable helicopter than I can see in the electric shuttle...

Forum: Rotorheads

13th May 2021, 12:06

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

After being shown this link (posted by NutLoose)...

After being shown this link (posted by NutLoose) I immediately thought of the HX50 with it's modular build approach.
https://newatlas.com/wigetworks-airf...m=article-body...

Forum: Rotorheads

6th Nov 2020, 09:27

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

EC130 tail rotor drive shaft spins at 6000 rpm,...

EC130 tail rotor drive shaft spins at 6000 rpm, perhaps its Fenestron likes that input speed as it itself turns at 3584 rpm.

Going the other way, the MGB uses epicyclic gears which are very good...

Forum: Rotorheads

5th Nov 2020, 09:53

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

To me the direct drive starter/generator looks...

To me the direct drive starter/generator looks like that gaffer tape roll thing just behind the 45 degree angled engine output drive shaft. Perhaps angling the drive shaft as illustrated allows the...

Forum: Rotorheads

4th Nov 2020, 04:44

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

Is the engine oil pressure pump an "ancillary"?...

Is the engine oil pressure pump an "ancillary"? If it's electrically driven you'd really hate to have your engine turn into burnt toast because a wire fell off or the service man got his wires...

Forum: Rotorheads

3rd Nov 2020, 11:56

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

Finally, something of substance. "replaced...

Finally, something of substance.

"replaced by a direct-drive starter-generator" - this is an excellent move considering recent developments in electric motors.

"Extensive use of redundant...

Forum: Rotorheads

26th Sep 2020, 11:56

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

He should'av gone for one of these cyclics. ...

He should'av gone for one of these cyclics.

https://cimg9.ibsrv.net/gimg/pprune.org-vbulletin/372x313/image_9f7869721518560ca3a1ab9e982601dba8fa3b73.png

Forum: Rotorheads

1st Sep 2020, 11:10

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

If Mr Hills owns some really good patented...

If Mr Hills owns some really good patented innovations then he may be able to make more money licensing them than actually building and selling whole helicopters. Under this model the helicopters are...

Forum: Rotorheads

25th Aug 2020, 12:43

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

Agree with HH but they didn't do their case any...

Agree with HH but they didn't do their case any favours by producing a fluff piece graphic that are all too common nowadays. We need to some real metal (or plastic) in action like the Swiss Marenco...

Forum: Rotorheads

17th Dec 2019, 10:35

Replies: 1,651

Hill Helicopters HX50

Views: 454,241

Posted By cattletruck

Their website https://www.dynamiq-eng.co.uk/ is...

Their website https://www.dynamiq-eng.co.uk/ is nerd heaven. Seems like they've been at the bleeding edge of engineering consulting for over a decade and have provided quite a variety of customer...

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