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3W Bearcat with Moki 300

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3W Bearcat with Moki 300

Old 08-12-2023, 12:03 PM
  #451  
MCB458
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Wow!!! Sounds great!
Old 08-12-2023, 12:09 PM
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Are you guys using the stock aluminum wing tube?





Old 08-12-2023, 12:10 PM
  #453  
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I will be using the Valach 250R in my Rarebear.......any experience with this engine?
Old 08-12-2023, 12:12 PM
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I cannot upload any pictures until I have 10 posts. Is that correct?
Old 08-12-2023, 02:43 PM
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Old 08-13-2023, 02:43 AM
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Originally Posted by Detlef Kunkel
Maybe this will brighten up your cloudy mood about the mixer :-)

https://www.youtube.com/watch?v=_009h8lC6mY
HA HA HA!! I feel much better now, Detlef!
Old 08-13-2023, 02:44 AM
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Originally Posted by MCB458
I cannot upload any pictures until I have 10 posts. Is that correct?
Nice looking hinge setup there, MCB. Keep those pictures coming!

And I, personally, do not have any experience with the "Valach" - except to say that Vogelsang tells us it isn't Valach anymore. It's a Fiala. Easier to pronounce anyway

I will say this: if I was doing this project over again that is the engine I would choose.

Last edited by mitchilito; 08-13-2023 at 02:51 AM.
Old 08-13-2023, 04:09 AM
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Originally Posted by mitchilito
Nice looking hinge setup there, MCB. Keep those pictures coming!

And I, personally, do not have any experience with the "Valach" - except to say that Vogelsang tells us it isn't Valach anymore. It's a Fiala. Easier to pronounce anyway

I will say this: if I was doing this project over again that is the engine I would choose.
Thank you Mitchilito! I will keep the pictures coming.....I pretty much have the entire rear end (empennage) completed and will be moving on to the wings.

Old 08-13-2023, 04:31 AM
  #459  
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Rarebear 3D Print Nose Ring Drawings…….figuring out how to upload a PDF drawing.
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Old 08-13-2023, 05:20 AM
  #460  
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[QUOTE=Detlef Kunkel;12780217]Sorry I have not the slightest Idea about Spektrum. It should be a 40-60% mixer with an offset ( to zero) function when you switch the pump off.


The principle itself that I described to you is clear, you only find no way on your spektrum TX?[/QUOTE]

I know - I can't believe it either, Detlef. The answer is NO I cannot. And I can't find ANY reference to throttle/pump mix anywhere online. Back in the day, we could call Horizon Hobby and almost immediately get tech help. The fact is, now they have made it nearly impossible to get hold of them for any reason whatsoever.

So sad because that is one major reason they became so successful in the first place.
Old 08-13-2023, 05:23 AM
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Old 08-13-2023, 10:01 AM
  #462  
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Originally Posted by MCB458
Are you guys using the stock aluminum wing tube?
Yes, why are you asking? Dont trust it?
Old 08-13-2023, 10:04 AM
  #463  
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Originally Posted by mitchilito

I will say this: if I was doing this project over again that is the engine I would choose.
What do you mean? Use the valach / Fiala instead of the 300?
Old 08-13-2023, 10:05 AM
  #464  
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Originally Posted by mitchilito
HA HA HA!! I feel much better now, Detlef!

:-)
Old 08-13-2023, 10:21 AM
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Originally Posted by Detlef Kunkel
Yes, why are you asking? Dont trust it?
1) Its heavier than carbon fiber........I could not find a right sized carbon fiber replacement

2) The fit was not as tight as it should be

3) My solution.....I had it powder coated white.....now it fits perfect in the wing and fuselage tube sockets and looks great!!!

Last edited by MCB458; 08-13-2023 at 10:22 AM. Reason: spelling
Old 08-13-2023, 10:30 AM
  #466  
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Originally Posted by MCB458
1) Its heavier than carbon fiber........I could not find a right sized carbon fiber replacement

2) The fit was not as tight as it should be

3) My solution.....I had it powder coated white.....now it fits perfect in the wing and fuselage tube sockets and looks great!!!


I would NEVER fly a carbon tube on this Cat unless I had made it myself

Just found a micro crack on the carbon tube of my Jet T33. Seen only by chance.

Now it has an strong alu tube 1,5 mm thick. Rock solid and wont crack in the fragment of a second
Old 08-13-2023, 01:22 PM
  #467  
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Originally Posted by mitchilito
I've spent the last couple days trying to setup a THROTTLE TO FUEL PUMP mix on my Spektrum DX18 transmitter. I ASSUMED it would be easy/peasy but NO. All it has to do is mirror the throttle - but with lower end limits and yet nothing I do can achieve that result!

Does anyone out there know how to do this??
Mitch, just came across your post above. I have the variable fuel pump on my Pitts/Valach 210 with the Spektrum radio. Works great. If you still need, I can send the Spektrum file so you may copy the set up.
Regards - J Tab
Old 08-14-2023, 01:12 AM
  #468  
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Originally Posted by Detlef Kunkel
What do you mean? Use the valach / Fiala instead of the 300?
Yep, that's what I mean. There are several features on the Fiala 250 that I like more than any of the Mokis. First and foremost, it has valve covers. And it's delivered with an Emcotec pump. Plus it has the steel exhaust collector ring which makes more sense to me as well. And as I said in earlier posts, Detlef - I'm not as focused on going absolutely as fast as I possibly can anymore.

With that said, I do like the fact that my 'Bear will follow the spirit of the original: RIDICULOUSLY overpowered.

Last edited by mitchilito; 08-14-2023 at 01:15 AM.
Old 08-14-2023, 01:24 AM
  #469  
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Originally Posted by MCB458


MCB, you've had this project for as long as I've had mine - or longer right? I remember this aircraft from LOOOOONG ago. . . .
Old 08-14-2023, 09:23 AM
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Originally Posted by mitchilito
MCB, you've had this project for as long as I've had mine - or longer right? I remember this aircraft from LOOOOONG ago. . . .
Yes sir……you guys have inspired me to get back on this project and finish it!!!!! Thank you!!

I did finish and fly my Sunshine ME163 Komet…..which cleared the way for the Rarebear.




Old 08-14-2023, 10:55 AM
  #471  
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Wow, that Komet is beautiful.
Old 08-14-2023, 06:20 PM
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Originally Posted by mitchilito
Wow, that Komet is beautiful.
Thank you!!!!!
Old 09-04-2023, 01:32 AM
  #473  
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My least favorite part of any aircraft project: fitting the operating components. So fiddley.


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Old 09-06-2023, 12:59 AM
  #474  
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I always knew it was coming but it finally came time to address the exhaust pans. I've known about it my whole modeling life but I've never had any experience with FLIGHT METAL. And what a way to get introduced: covering the inside of these hot air exits with their particular complexities. The piece that had to lay down in the pans was challenge because it had to go UNDER the front opening all the way to the front. - with it's incredibly sticky glue to deal with. Think about that. . . .

With that said, I think it came out pretty well. Not great, but pretty good. It looks very authentic. In the pics you see I burnished them with a pad. I still have to polish them. I'm not sure yet how shiny I'm going to make them. The full scale pans on the Bear are pretty shiny.





Last edited by mitchilito; 09-06-2023 at 01:06 AM.
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Old 09-07-2023, 10:16 PM
  #475  
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Originally Posted by mitchilito
My least favorite part of any aircraft project: fitting the operating components. So fiddley.



nevertheless, very clean work !

Because you asked about the air hoses. cannot be compared to your wing, as mine is different. Totally easy to run the air hoses underneath the main tube to the rear.

Everyting is entering the fuselage through one big opening behind the main tube. Good access, I can truly recomment this spot
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