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Search: Posts Made By: Detlef Kunkel
Showing results 1 to 25 of 124
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Forum: RC Warbirds and Warplanes
01-21-2024, 10:40 PM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Nice movement- and nice moment :-) 6...

Nice movement- and nice moment :-)

6 years....I cannot believe it
Forum: RC Warbirds and Warplanes
12-31-2023, 04:36 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Hi Mitch, the Bear has received some reworks...

Hi Mitch,
the Bear has received some reworks and improvements.

First of all, the repaired and highly modified 300, then I am still working on a new (lighter) elevator. Need to move the CG more...
Forum: RC Warbirds and Warplanes
11-11-2023, 01:01 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Hi Mitch, any news of the mighty Bearcat?...

Hi Mitch,


any news of the mighty Bearcat?

In between it is getting pretty cold here.
Forum: RC Warbirds and Warplanes
10-13-2023, 02:54 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

The Bearcat is almost as neutral as a P-51. ...

The Bearcat is almost as neutral as a P-51.

But (just my personal preference) I dislike the instable situation between push and pull on approach, so I also select a little downtrim with flaps (...
Forum: RC Warbirds and Warplanes
10-11-2023, 10:56 PM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Mitch, I dont have a stock of spare parts. ...

Mitch,

I dont have a stock of spare parts.

The pushrod- problem is sorted out when you frequently lube your ex-valves, and normally these engine run for many hours without significant wear.
Forum: RC Warbirds and Warplanes
10-05-2023, 09:54 PM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Nice work, absolutely. Looking forward to...

Nice work, absolutely.

Looking forward to see her taxi by and the in flight. What a beauty :-)

------

in between,


I ordered a list of spare parts for my 300 and that of a friend, who is...
Forum: RC Warbirds and Warplanes
10-01-2023, 02:54 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

BTW does anybody know if Rob, the starter of this...

BTW does anybody know if Rob, the starter of this thread, is still reading here and /or fly his Bearcat?
Forum: RC Warbirds and Warplanes
10-01-2023, 02:53 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Mitch, don't be too sure. :-) It would be...

Mitch, don't be too sure. :-)

It would be great to find out one day, wingtip to wingtip



Btw did you ever run your 300?
Forum: RC Warbirds and Warplanes
09-30-2023, 03:40 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

while I'm slaving away, my lazy 300 is taking a...

while I'm slaving away, my lazy 300 is taking a wellness vacation.



After about 75-80 flights on the BC I noticed a fair amount of play in the crankshaft. You could even hear a new sound that...
Forum: RC Warbirds and Warplanes
09-30-2023, 03:26 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

here we go. Very thin profile. High twist. ...

here we go.

Very thin profile. High twist.

Would be interesting how it performs ccompared to the really good SL / BC prop.

I can monitore rpm and airspeed, so there will be no secrets.
Forum: RC Warbirds and Warplanes
09-30-2023, 02:36 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

The SL is fine, as they use the Bearcat style...

The SL is fine, as they use the Bearcat style correct shaped and twisted blades that I made for Sven in order for him to produce them.

Google Varioprop, they make extremely modern thin profiled...
Forum: RC Warbirds and Warplanes
09-30-2023, 02:32 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Cantīt afford any more extra weight. ...

Cantīt afford any more extra weight.

Whatever I add, must be removed somewhere else. No kidding.

Thats why I make a new lighter elevator, maybe rudder as well
Forum: RC Warbirds and Warplanes
09-29-2023, 07:00 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

[QUOTE=mitchilito;12784494]I'm in a bit of a...

[QUOTE=mitchilito;12784494]I'm in a bit of a delay trying to work out some radio issues. In the mean time I'm working on the scale exhaust pipes. These are strictly decorative and DO NOT flow...
Forum: RC Warbirds and Warplanes
09-26-2023, 07:45 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

You`re welcome my friend :-) Good luck with...

You`re welcome my friend :-)

Good luck with yours :-)



PS this weekend I hope to check the sick 300
Forum: RC Warbirds and Warplanes
09-25-2023, 09:07 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Mitch, Elevator is at the deepest spot (...

Mitch,

Elevator is at the deepest spot ( trim tab) 1" up and 1 " down. depending on your taste , expo function and - most important- point of your C_G.

With 200 mm, this is MUCH throw. with...
Forum: RC Warbirds and Warplanes
09-25-2023, 08:51 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Thank you guys. :-) Final weight with fuel...

Thank you guys. :-)

Final weight with fuel to drip out when rolling is 24,92 kg, on a certified calibrated official scale.

Not with the scale sliding canopy cockpit, but with a simplified...
Forum: RC Warbirds and Warplanes
09-24-2023, 09:45 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

sorry double post ( again)

sorry double post ( again)
Forum: RC Warbirds and Warplanes
09-24-2023, 09:39 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

I was shooting for a September maiden. ...

I was shooting for a September maiden.


Sorry my friend :-)


https://youtu.be/8L9dGGLEOeI
Forum: RC Warbirds and Warplanes
09-07-2023, 10:16 PM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

nevertheless, very clean work ! Because you...

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...
Forum: RC Warbirds and Warplanes
08-13-2023, 10:30 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

I would NEVER fly a carbon tube on this Cat...

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...
Forum: RC Warbirds and Warplanes
08-13-2023, 10:05 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

:-)

:-)
Forum: RC Warbirds and Warplanes
08-13-2023, 10:04 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

What do you mean? Use the valach / Fiala instead...

What do you mean? Use the valach / Fiala instead of the 300?
Forum: RC Warbirds and Warplanes
08-13-2023, 10:01 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Yes, why are you asking? Dont trust it?

Yes, why are you asking? Dont trust it?
Forum: RC Warbirds and Warplanes
08-12-2023, 10:34 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Maybe this will brighten up your cloudy mood...

Maybe this will brighten up your cloudy mood about the mixer :-)

https://www.youtube.com/watch?v=_009h8lC6mY
Forum: RC Warbirds and Warplanes
08-12-2023, 10:12 AM
Replies: 512
Views: 142,406
Posted By Detlef Kunkel

Sorry I have not the slightest Idea about...

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...
Showing results 1 to 25 of 124
 
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