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MK Skymaster

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Old 01-08-2013, 02:15 AM
  #1
Rune
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Default MK Skymaster

Hi
this was my first "fullsize" pattern ship about 30 years ago,it crashed when a rx xtal failed.
I have tried searching for kits (full kits short kits and drawings) but no luck, anyone has anything???
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Old 01-08-2013, 08:10 AM
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Default RE: MK Skymaster

I think flywilly did a set of templates and drawings...I think I have a copy of them but will have to check for sure...

I have one that is about ready for glass and paint...I also have a kit so I know I have the drawings for sure...(kit is not for sale)

I will let you know when I round up the info...

Here is a little thread you may like...
[link=http://www.rcuniverse.com/forum/m_8969695/anchors_8970158/mpage_1/key_/anchor/tm.htm#8970158]Skymaster[/link]

Chuck

P.S. I have several Skymaster headers now but cant remember if they are OS or YS?? In case you need one I think I have about 5 of them...
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Old 01-08-2013, 08:59 AM
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Default RE: MK Skymaster


It seems like its some diffrent versions, the one I'm looking for is the one with engine out on the side and the pipe either under the wing or on the fuse side.
keep me inform if you find some intresting.Looks like you have the correct type but I dont want the pipe inside the fuse.
the one I had was with Rossi r61 Rhomair ...dont know if I will go with glow .
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Old 01-08-2013, 09:12 AM
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Default RE: MK Skymaster

Rune,

The picture you posted is of the later better known Skymaster with inverted RE engine and pipe on fuse top deck.

I believe Kato's first SM had a different configuration with the engine and pipe on the side as you describe. It also had a different "jet like" tail a bit like the original Yoshioka Blue Angel although the wing and stab were always double tapered (LE and TE).

There are a handful of people on the forum who have this original SM if memory serves. I believe I have seen pictures of the older plans posted. You might want to do a thread search as there are several threads on this beautiful design.

David
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Old 01-08-2013, 09:19 AM
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Default RE: MK Skymaster

I think I have a pic some place ......just have to find it ..... its about 30 year ago but I remeber I love this plane
I have gone through every tread that I found intresting and that could have some info .....about 10 "pages" back
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Old 01-08-2013, 10:59 AM
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Default RE: MK Skymaster

Hi,

I suppose it is this Skymaster 60, the early version, You are after?

Although I do not have the kit and not a drawingIremember that one guy flew a Skymaster 60 at "Gränscupen" (Border cup) 1979 (I was also competing that year in this competition but I had a Curare 60). I do not remember who flew that Skymaster but it had same original paintscheme as pictures below. Very nice plane and I remember it flew rather fast.

I found MK Skymaster in Simprop catalog 1975 also and made a scan. In that catalog I also saw the beautiful MK Fuji 60 (flown by by Sugawara at 1971 WC) and could not resist to scan that also although that plane is off topic.

/Bo
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Old 01-08-2013, 11:43 AM
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Default RE: MK Skymaster

Bo to the rescue!

I knew someone would produce the required pictures. No we just need a plan.

The Blue Angel heritage of this very early Kato design (who flew it in F3A competition and contemporary to Yoshioka) is evident in both the tail, canopy and paint scheme. In fact, the main design concept shift strikes me as being in the reverse taper wing and straight TE stab vs the swept back BA surfaces.

Hey, is that a Supertigre 60 BH and muffler? I guess they were all the rage at the time along with the Enya's and soon after that, the YS's with metered Enya carbs.

David
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Old 01-08-2013, 11:43 AM
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Default RE: MK Skymaster

Rune... You don't have to look very far for Skymaster Drawings. Fancy a trip to Moss, or would you like the plan delivered?
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Old 01-08-2013, 11:52 AM
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Default RE: MK Skymaster

Not wanting to steal Jon's thunder but a quick search on my laptop delivered this... Skymaster 60.pdf

It's a good thing I backed up my RC main repository some time back. It is temporarily down (fried system hard drive).

While they are of the more modern and recent SM design (per Chuck's photos), it could probably be adapted with a little CAD work to have a SE setup and pipe under the wing - much like a Citation.

I'm not sure but I believe that Dominik in Germany might have an original SM60 kit with the plans desired. But that's speculating a bit.

David
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Old 01-08-2013, 12:19 PM
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Default RE: MK Skymaster

LOL! Thanks Doxilla, that actually saved me a lot of work. The pictures are taken years ago - I was afraid I'd have to look for it, I have NO idea where it is at the moment, although I'm pretty sure I haven't lost it
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Old 01-08-2013, 12:23 PM
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Default RE: MK Skymaster

Quote:
Rune... You don't have to look very far for Skymaster Drawings. Fancy a trip to Moss, or would you like the plan delivered?
Jon this is the later version, its not exact the type I'm looking for , but if not any show up!!!
I really want to find it and its out there some place I know, I got mine from Rune Langbråten from Vingtor years ago.... I have treid to get in thouch with him I know he showed up some years ago on a competion just to watch.
And Bem , yes this is the correct type...the Skymaster you talking about this was not a Danish one??the guy Peter Christensen I belive showed up some year later at Granscuppen with a bigger skymaster with a OS 120 4C .
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Old 01-08-2013, 12:27 PM
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Default RE: MK Skymaster

Doxilla...cant open the pdf.... Jon you got it open?
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Old 01-08-2013, 12:28 PM
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Default RE: MK Skymaster

Yup, worked fine for me.
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Old 01-08-2013, 12:31 PM
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Default RE: MK Skymaster

what was it???picture??? can you try to "repost" it???
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Old 01-08-2013, 12:45 PM
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Default RE: MK Skymaster

ah there I got it open....should this be good enough to get a print?
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Old 01-08-2013, 12:56 PM
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Default RE: MK Skymaster

4 nice picture of an MK Skymaster 60, and that guy has even the kit box saved.

http://blog.daum.net/_blog/BlogTypeView.do?blogid=0MO31&articleno=8549092&cat egoryId=847793®dt=20090327010413#ajax_history_home

/Bo
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Old 01-08-2013, 01:52 PM
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Default RE: MK Skymaster


Quote:
ORIGINAL: Rune

ah there I got it open....should this be good enough to get a print?
Rune,

Yes. It is a 1:1 vector scan of the original plan. When you print it, make sure the plotter is not scaling on output!

Dominik is in Germany. I believe his RCU handle is Speedpanzer but you'd have to check. Many SM threads on RCU.

David
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Old 01-08-2013, 01:54 PM
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Default RE: MK Skymaster

Bo,

That guy in Korea has just about every Japanese pattern classic kit ever produced! It is a great reference site I've found.

There is something elegant about the older and simpler SM in BA trim scheme.

David
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Old 01-08-2013, 01:58 PM
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Default RE: MK Skymaster

Quote:
Rune,

Yes. It is a 1:1 vector scan of the original plan. When you print it, make sure the plotter is not scaling on output!

Dominik is in Germany. I believe his RCU handle is Speedpanzer but you'd have to check. Many SM threads on RCU.
I found him and sent him pm ,sp then I have to wait and see!
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Old 01-09-2013, 04:43 AM
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Default RE: MK Skymaster

Hello Rune,

I got your PM, thanks. I wonder that guys here recall me posting a pic of that Skymaster kit... seems we all here are really nuts about those classical pattern planes, kits, etc.

In my inventory is a Skymaster 40 kit - sorry no 60 size.

I was lucky to buy it from an older gentleman who had closed his RC hobby shop several years before I met him. He lived in a city in germany with many US army barracks, still today many US soldiers are based there. I am pretty sure he told me that he traded that kit in from an US soldier, maybe in the late 70´s, and never sold it further.

Interestingly, another guy here asked me around november last year if I could do a plans copy of that Skymaster 40 for him. Before that, this kit slept well for many years without being touched. Stupidly, I got only one plans copy done, now I need to do one more for you, if you like. Just let me know. By the way, Fuji 60 plans copy would be available, too.

Monday afternoon I maidened a Jaguar, built up from an old, quite cheaply made ARF kit, manufacturer was Super Flying Models ( ). That may be off topic, but it is powered by one really old, but very well running Enya 60X with pipe, and the plane really hauls. Behaves much like a pattern plane of the classical area. Wonderful cuban eights, slow rolls, and laaarge loops.

Dominik
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Old 01-09-2013, 05:21 AM
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Default RE: MK Skymaster

I tell ya, this forum is pretty amazing!!

I had no idea about the earlier version of the Skymaster and was only familiar with the one I have...Actually I take that back, I guess I knew there was another SM but thought it was a fiberglass airplane. I suppose that information was incorrect...

Rune...Good Luck with your project!!
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Old 01-09-2013, 05:33 AM
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Default RE: MK Skymaster

Dominik,

Thanks for posting. I hope you don't mind me having suggested that Rune contact you.

Was it me who expressed interest I the SM40 plan copy? If not, it should have been.

A PDF scan would be easier to send than paper copies but either works for me. Without the vintage SM60 plan, the 40 size could be scaled up to build what would be a very close 60 Skymaster. I suspect the main difference between the two would be an airfoiled stab on the 60. That was typical for MK to go flat on the stabs in the 20 and 40 size versions.

By the way, the SM on the Korean site in BA trim colors is the vintage 40 size.

Rune, I hope you continue your quest for the 60 size version. The guy in Korea might be the best chance for a plan at this point.

Dominik, thanks again for offering us your plan.

David
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Old 01-09-2013, 05:38 AM
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Default RE: MK Skymaster

Rune,

I would try withuserflywilly since hewrote in another thread about Super Sicroly II I wrote thathe had an almost complete collection of MK kits (exceptMK Super Sicroly II that he did not have - but I have).
Post #10 here: http://www.rcuniverse.com/forum/m_97..._1/key_/tm.htm

With some luck he may have the Skymaster 60 kit and drawing but remember that all MK drawings I know of do not contain compelet info such as wing and stab root+tip templates for example so best is to ask for them also (I usually just place such balsa templates like that in a scanner and do a scan and save as TIF/PDF). I suppose one can do a good guess of wing and stab root+tip templates shape but if one want to have it 100% accurate You need copy of that also from the kit.

/Bo
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Old 01-09-2013, 05:44 AM
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Default RE: MK Skymaster

Hi David,

just fine, that´s how it´s supposed to be, I think?!

It may have been you, asking about that kit, I can´t remember at the moment.
I can ask that architect where I did my plans copies so far if he can generate a pdf. It may take some time until I get around to do it.
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Old 01-09-2013, 06:26 AM
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Default RE: MK Skymaster

Quote:
ORIGINAL: bem

Rune,

I would try with user flywilly since he wrote in another thread about Super Sicroly II I wrote that he had an almost complete collection of MK kits (except MK Super Sicroly II that he did not have - but I have).
Post #10 here: http://www.rcuniverse.com/forum/m_97..._1/key_/tm.htm

With some luck he may have the Skymaster 60 kit and drawing but remember that all MK drawings I know of do not contain compelet info such as wing and stab root+tip templates for example so best is to ask for them also (I usually just place such balsa templates like that in a scanner and do a scan and save as TIF/PDF). I suppose one can do a good guess of wing and stab root+tip templates shape but if one want to have it 100% accurate You need copy of that also from the kit.

/Bo
Bo,

indeed, Will might be the closest person to having the classic SM this side of the pond. I believe the Korean fellow ran a hobby shop reason for which he had all the Japanese kits that came out from the various designers. I recall seeing a snap of the plan at some point on his site.

I noticed from the pictures you posted that these earlier classic SM kits came with sheeted foam wings and judging from the kit breakdown contents, there was also a sheeted foam stab. Because of this, it wouldn't be possible for Will to scan root and tip rib airfoils unless he had the actual kit in which case he could produce the templates for cutting foam cores - that would be outstanding. Again from the pictures, it looks like the SM60 might have had an every so slightly airfoiled stab but I'm gauging this from the cutout in the wood filler blocks that go above the stab - the pictures of these parts are pretty small.

One key feature shown in the picture re-attached below is that it seems to indicate an airfoil change from root to tip going from 15% at the root (I assume) to 12% at the tip. While the airfoil templates are not strictly necessary since the plan usually shown a wing and stab airfoil, the percentage shift in the airfoil is necessary as the single section view on the plan wouldn't tell us this. Of course, this would be true for the stab as well but that information is not given.

In my experience from studying MK plans, they usually didn't alter the airfoil from root to tip other than in its thickness so if I were to reconstruct the SM60 from plans without wing and stab root and tip airfoils, I would take the section shown on the plan and produce a scaled version of it for both root and tip. Generally, this is how MK did things. It's also interesting that MK didn't really change his aerobatic airfoil from one model design to the next - they were all pretty much the same airfoil from 20 size models to 120 size. As far as I can tell, the MK SM20 has the same airfoil as the MK Super Chipmunk 120. Magic, Curare, Mattlas, Arrow, Skymaster, Blue Angel - all the same I believe. I haven't done an extensive study on it but that is my recollection. All the 120 size models (Chipmunk, Zlin, Akrobat, Laser 200) use the same foil too. It is very similar to the Quabeck aerobatic airfoil designed for gliders. I wonder where Kato sourced this foil in his early days...

It would be worth having the photos like the one below translated - probably just the typical marketing info but nonetheless.

David
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