CAC Postwar Projects

[dan_inbox]

and maybe the original poster could revise his oh-so-smart thread title "help me" to make it useful, before one of the mods needs to do it instead...

 

[Phyrphyta]

Guday way back in about 1966-67 I was in the RAAF and stationed at Vic barracks on St Kilda Rd. I managed to arrange a visit to CAC at Fishermans Bend. In wsas taken on a tour by a RAAF rep. I saw parts for Mirages, Atar engines being constructed and the beginnings of manufacture of Macchi parts. I was taken up to a upper floor workshop by and external staircase and looked inside. I wasn't allowed in though. What I saw, as i now know from this page, was the mock up of the proposed CAC CA31. I was told at the time not to ssay a word to anyone as it was still secret. I have kept that promise but I always wondered what happened to the design. Nopw I know thanks for the info. Fascinating.

 

[ZacYates]

Does anyone have anything on the XP-76 (converted/based Winjeel) and CA-28 agricultural aircraft beyond the line drawings posted earlier?

 

[hesham]

Does anyone have anything on the XP-76 (converted/based Winjeel) and CA-28 agricultural aircraft beyond the line drawings posted earlier?

From Air Enthusiast.

 

[GTX]

Does anyone have anything on the XP-76 (converted/based Winjeel) and CA-28 agricultural aircraft beyond the line drawings posted earlier?

From Air Enthusiast.

He said XP-76 not XP-67

 

[GTX]

Does anyone have anything on the XP-76 (converted/based Winjeel) and CA-28 agricultural aircraft beyond the line drawings posted earlier?

What exactly do you want to know Zac? There is a lot in the following books:

 

[ZacYates]

I would love to have copies of Keith and Derek's books! Maybe I should petition my local library...

I didn't even click that the Ceres was the CA-28, how could I forget! I was referring to this profile posted by hesham in this post which was labelled CA-28:

And the ag Winjeels (XP76?) cropped from a drawing hesham shared here:

For modelbuilding purposes I'm curious if there are any other drawings out there.

 

[riggerrob]

I would love to have copies of Keith and Derek's books! Maybe I should petition my local library...

I didn't even click that the Ceres was the CA-28, how could I forget! I was referring to this profile posted by hesham in this post which was labelled CA-28:

And the ag Winjeels (XP76?) cropped from a drawing hesham shared here:

For modelbuilding purposes I'm curious if there are any other drawings out there.

Both lower proposals look like modified CAC-25 Winjeel trainers (1955 to 1995). Prior to the 1960s, the bulk of agricultural airplanes were converted from military-surplus airframes.
That turbo-prop version will need a much larger fin for yaw stability.

 

[ZacYates]

For modelbuilding purposes I'm curious if there are any other drawings out there.

Both lower proposals look like modified CAC-25 Winjeel trainers (1955 to 1995). Prior to the 1960s, the bulk of agricultural airplanes were converted from military-surplus airframes.
That turbo-prop version will need a much larger fin for yaw stability.

I think the first would be a fairly straightforward conversion. I'm an agplane aficionado so it would be need to see one alongside Tiger Moths, Ceres, Fletcher FU-24s etc.

 

[ZacYates]

Does anyone have anything on the XP-76 (converted/based Winjeel) and CA-28 agricultural aircraft beyond the line drawings posted earlier?

A friend was kind enough to lend me his copy of this book and it is truly stunning. It also answers the questions I had about the projects mentioned earlier. I think it's about time I got my own copy.

 

[Wondera1234]

I have the articles you were referring to.

You can find more information about these projects at the Moorabbin air Museum, some of the stuff CAC came up with is pretty wild. Worth a look. There is some promotional material for the xp 65, including cockpit lay out ECT . If anyone is interested just contact the Museum they are great people who love aircraft and are all volunteers. I don't get to Melbourne very often but it excellent.

 

[hesham]

You can find more information about these projects at the Moorabbin air Museum, some of the stuff CAC came up with is pretty wild. Worth a look. There is some promotional material for the xp 65, including cockpit lay out ECT . If anyone is interested just contact the Museum they are great people who love aircraft and are all volunteers. I don't get to Melbourne very often but it excellent.

Hi Wondera,

I am interesting to find more of them ?!.

 

[GTX]

You can find more information about these projects at the Moorabbin air Museum, some of the stuff CAC came up with is pretty wild. Worth a look. There is some promotional material for the xp 65, including cockpit lay out ECT . If anyone is interested just contact the Museum they are great people who love aircraft and are all volunteers. I don't get to Melbourne very often but it excellent.

It has been a few years since I have been there - will have to drop in again the next time I get a chance.

 

[uncle les]

ooh look !

CAC XP-65 Irabinna – 1950’s Australian flight of fancy. | Uncle Les

uncleles.net

 

[Wondera1234]

CAC CA-23

I have another early evolution of the cac ca23 from the project files at morabin aircraft museum.

 

[hesham]

I have another early evolution of the cac ca23 from the project files at morabin aircraft museum.

That's cool, please send them.

 

[Wondera1234]

Other interceptor proposals from CAC included:

This was followed by a Rocket (probably using similar motors to the Bell X-1) powered interceptor, the XP-47. It was to be armed with six 3inch Oerlikon or Mighty Mouse type rockets:

Regards,

Greg

Found a few extras the middle interceptor was a 1953 project.

 

[hesham]

Found a few extras the middle interceptor was a 1953 project.

Great find,who can collect the pieces ?.

 

[Silencer1]

Great find,who can collect the pieces ?.

There are no enough images to do this completely...

 

[flateric]

Thanks @Wondera1234 for the lead

View Digital Image

recordsearch.naa.gov.au

 

[overscan (PaulMM)]

Nice! I had that file on my list to check out if I ever get to Canberra. DIscusses British rocket fighter requirements a bit.

 

[overscan (PaulMM)]

https://www.secretprojects.co.uk/Rocket.pdf

 

[flateric]

Got a bit of a Jack pot on dimensions and development of the CAC CA-23

View Digital Image

recordsearch.naa.gov.au

It also has the original proposal, I might have to folk over some $ to get some of the other reports published.
It has (MOS) British Ministry of Supply analysis. Looks like they were keen on killing the project, the Brits always wanted Australia to be another client state
for their production.

...

 

[flateric]

CA-23 PDF

File on MEGA

mega.nz

Can you reupload it? Thanks in advance!

 

[TsrJoe]

Commonwealth Aircraft Corporation CA.23, TNA. AVIA6/17964

 

[hesham]

Great find my dear Petrus.

Also from the same source P271/XP63

 

[stealth enjoyer]

I am currently working on a project and need info on the cac-23 (skin thickness, internals, weapons), engine info especially (power turbine tpr, opr, etc.)

 

[BlackBat242]

...

Those look different from the CA.23 plans I've seen before - it looks like an Australian version of Javelin.

 

[red admiral]

Going back to this question and citing a more reliable source ("Wirraway to Hornet : A history of the Commonwealth Aircraft Corporation Pty Ltd, 1936 to 1985" by Brian L. Hill), the max speed was designed to be Mach 1.5 and service ceiling of 51,000ft with a rate of climb of 17,000 fpm.

From reading Tony Butler's recent article on CA-23 in TAH46, then I'm really wondering where this quoted Mach 1.5 speed has come from. The Aus and UK archive documents used in this article give a predicted max speed of Mach 1.005 at 40,000ft. This level of speed seems to be consistent across the various iterations of the project, and the RAAF requirement. I'm not sure how some sources are 50% different.

 

[NeverWasNeverWillBe]

Some photos of the CAC CA-31 Lead-In Fighter Trainer.

CAC CA-31 Lead-In Fighter Trainer - Destination's Journey

Photos of the CAC CA-31 a lead-in fighter trainer proposal for RAAF Only a wooden mockup was built and the proposal did not proceed.

www.destinationsjourney.com