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Erickson S-64 Aircrane anyone?

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Re: Erickson S-64 Aircrane anyone?

Postby wlbragg » Thu Jan 21, 2021 3:29 am

Something in the works.

Image

Image
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Re: Erickson S-64 Aircrane anyone?

Postby wlbragg » Thu Jan 21, 2021 6:37 pm

I've been trying to research the differences you see in the different AirCrane videos and images you see around the internet. Best I can come up with for the Model E and Model F is the following.
Even though I have access to flight and pilot manuals for the model E and F, it's not really clear what all the differences are, or more importantly, what is common to both.

Known basic differences...

E
2x4500 turbines
Slightly different AFCS panel layout
weight

F
2x4800 turbines
weight

Assumed differences..

E
Single wheeled tripod
Shortened crew cab, engineer bubble unobstructed
F
Tandem wheeled tripod on back two
Extended crew cab, engineer bubble obstructed on the left side

If anyone can confirm any of this and knows of other items, please chime in.
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Re: Erickson S-64 Aircrane anyone?

Postby portreekid » Thu Jan 21, 2021 8:44 pm

If you are interested I have some pictures of https://abpic.co.uk/pictures/view/1555160 from Hermeskeil
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Re: Erickson S-64 Aircrane anyone?

Postby wlbragg » Thu Jan 21, 2021 9:16 pm

Very much so, thank you!
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Re: Erickson S-64 Aircrane anyone?

Postby Husky Dynamics » Thu Jan 21, 2021 10:07 pm

I did a bit of research myself and came up with some pictures from Erickson's fleet. Interestingly enough, they show an S-64E (first picture, N957AC) with single rear wheels and the extended cab, an S-64F (second picture, N179AC) with the short cab and single rear wheels, and another S-64E (third picture, N218AC) with the extended cab and double wheels!

Image

Image

Image

As far as weight goes, the -E has a max weight of 42,000 lbs (of which 20,000 can be external loads), whereas the -F has a max weight of 47,000 lbs, 25,000 of which can be external loads.


EDIT: I've also seen images of CH-54As and -Bs with and without the extended cab, so perhaps it varies?
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Re: Erickson S-64 Aircrane anyone?

Postby wlbragg » Thu Jan 21, 2021 10:17 pm

Yeah, I noticed the same type of inconsistency in some research. I guess the body style and gear configuration are not model dependent, other than maybe weight and overall dimensions. I suppose then I should allow for either configuration, tandem wheels and extended cab for both models.

Then I guess the variants will be HP, weight and dimensions plus a couple known differences in some instrumentation.
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Re: Erickson S-64 Aircrane anyone?

Postby wlbragg » Thu Jan 21, 2021 10:21 pm

an S-64F (second picture, N179AC) with the short cab and single rear wheels,

Has the double wheels!

You know for sure the models of these images are 1=E 2=F and 3=E?
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Re: Erickson S-64 Aircrane anyone?

Postby Husky Dynamics » Thu Jan 21, 2021 10:28 pm

Has the double wheels!

You know for sure the models of these images are 1=E 2=F and 3=E?


Oh, so it does! My mistake! And yes, the models are E, F, and E.

I did just find something that said the CH-54B had the tandem-wheel undercarriage, but the -A did not (which I guess means that the S-64E would have single-wheel units but the -F would have tandem?).

This page might be helpful, as it has a pretty useful table comparing the S-64A, CH-54A/S-64E, and CH-54B,S-64F: https://www.sikorskyarchives.com/S-64_Product_History%20modX.php
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Re: Erickson S-64 Aircrane anyone?

Postby wlbragg » Thu Jan 21, 2021 11:42 pm

Interesting, the dimensions are different than what it says in the wiki for the ch-54 A and B. Wiki says A and B are different dimensions. This info says it's the same.
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Re: Erickson S-64 Aircrane anyone?

Postby portreekid » Fri Jan 22, 2021 4:32 pm

They are worse than I remembered. It's only the cockpit, but there are two decent ones in towards the cockpit. Light was * and the perspex was reflective as hell and got the autofocus mixed up. Sad I didn't have an old fixed.

https://drive.google.com/file/d/1Yv03zy5oJqOkLtEsgaLFYg9h50DYyU0b/view?usp=sharing
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Re: Erickson S-64 Aircrane anyone?

Postby wlbragg » Wed Feb 10, 2021 10:01 pm

FYI:
For anyone watching the development here be aware it may be a long time before fgaddon gets anymore updates other than bug fixes and corrections, from me anyway.

Helijah and I sadly have some differences of opinion on the future direction of this development that we can't overcome and so it is likely that the fgaddon and my personal repository will diverge significantly from this point on. I will continue to work on it and push my additions to my personal development repository. I assume Helijah might periodically take the parts he deems fit for the fgaddon version which I will encourage and help facilitate where I can.

Eventually I want a JSBSim FDM for this model. When and if I achieve that I intend at that point to possibly put it in fgaddon as a separate aircraft choice.

With that said, there are already a few corrections pushed to my private repository as well as the start of some fuel temperature logic for the caution and warning system, eventually a full temp system I hope.

Also I have started on some interior lighting light maps. I really didn't intend to push any of it yet but I somehow managed to push a couple of files so I decided to push everything I have done so far. There is a long way to go and much rearrangement of mesh and mappings in order to achieve the desired results. It's currently not active without property tree edits. I plan to work on it in conjunction with other system additions such as the fuel temp system.

The electrical system needs a great amount of work as well. As of now it is a slightly modified copy of the Citation II jet engine electrical system which is not really suitable, but was better than what was there originally. It needs lots of work to make it an AirCrane electrical system. But I felt a good base was there.
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Re: Erickson S-64 Aircrane anyone?

Postby portreekid » Thu Feb 11, 2021 6:12 am

Very sad to hear. Where the pictures of any use?
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Re: Erickson S-64 Aircrane anyone?

Postby S&J » Thu Feb 11, 2021 9:28 am

So continuous improvement is halted on the official FG repository solely because the owner-maintainer doesn't like the direction an active developer is going with it ?

So a person that spends hundreds of hours developing is vetoed by someone that's put in a fraction of that time doing a 3d model ?

For smart people, that does sound dumb.
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Re: Erickson S-64 Aircrane anyone?

Postby helijah » Thu Feb 11, 2021 9:58 am

Well I never will, prevent improvements on FGAddon. And I would continue to do this by taking from wlbragg's GIT to put them on FGAddon. Simply, when the work is done against the open source and does not take into account the users (ALL the users), there is work of organization, optimization and correction. And it is this work that wlbragg no longer supports. The desire not to add to FGAddon therefore does not come from me but from wlbragg. Let's not mix everything up. And I would continue to do it as I always did for my other 300 models.

The AirCrane will continue to evolve thanks to the fantastic work of wlbragg and he will always be thanked for it.

if you go back in this discussion you will see that I have always, I mean ALWAYS, responded to wlbragg's requests. I modeled what he asked for each time. the yoke, the external tanks etc ... I am always listening to people who want to improve my models. But if it is to see one of my models become unusable by the majority of users, I do not agree. That's why I want to keep an eye on the development of my models. Opensource is not anarchy contrary to what some people may believe
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Re: Erickson S-64 Aircrane anyone?

Postby S&J » Thu Feb 11, 2021 11:10 am

My my
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