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Member postings for Lubomir Bakalov

Here is a list of all the postings Lubomir Bakalov has made in our forums. Click on a thread name to jump to the thread.

Thread: Seagull radial rocket
07/07/2020 12:18:38

Thank you for comment, Ron!

Not - I'm not sure that is Seagull but is more or less Radial.
Can it be Rocket I will let you later.
Seems this aircraft is not so optimized for speed like ex. Sundowner....

Any way I've got it as burth-day gift and prepare for speed.....
I don't care that is w/o docs

Let me continue ...slowly ...to the finish:

So for cowl's clear view:

cowl wood logs up.jpg

cowl wood logs down.jpg

xhaust back.jpg

xhaust down.jpg

And finally ...

prop&spinner&cowl front.jpg

model ready front-right.jpg

model ready front-up.jpg

model ready front.jpg

and the AUW:

model weight.jpg

...meaning wing loading up to 108-109 g/dm2!
Brrrrrr!
Flying/landing brick!
...as many war bird models!

I calc the geometry and MAC and got the CG of 85-95mm in root.
Just the test fly will tell us more.

Stay safe, happy and lucky!

22/06/2020 07:35:32

Fairy tale continue...

Landing gear is: not scale, too big, too heavy, bad tendency ....

So I've prepared a new box and reorganize the body ...

land box-1.jpg

land box-2.jpg

land box-opening.jpg

land box-in.jpg

land box-in-final.jpg

land box-down.jpg

lg-1.jpg

lg-2.jpg

lg-3.jpg

16/06/2020 09:34:38

Even lighter engine and super lighter pitts exhaust (half the original) the recommended CG is trouble.

I plan to use glow power driver and second battery for.

And have to move both batteries in the tail.

battery bay-2.jpg

battery bay-1.jpg

Also prepared a receiver plate:

receiver plate.jpg

16/06/2020 08:53:50

Thank you for comments and suggestions!

Finally choose OS .61 because of weight.
Of course later I can change it and cut around 6-7 cm from motor box....

os.61 up.jpg

os.61 right.jpg

os.61 left.jpg

21/05/2020 12:41:04

And follow again the HAMLET question - What engine accomplish the name?

OS 61 complete 694g
SC 91 complete 812g

With ALL them I'm too nose heavy.

Any suggestion welcome! Thank you!

21/05/2020 12:34:17

Respectively have had to pen the tail body .....

Stab glued -1

Stab glued 2

..and of course use HEAVY WEIGHT to save the geometry/glue in place...

..or say say a friend: "training brazilian as..." :D :D :D

21/05/2020 12:27:48

Also decide to change the mechanic of horizontal stab from 2 to just one wire.

..not opened but hidden :D :D :D

new stab mechanic -1

New stab mechanic - 2

21/05/2020 12:21:52

The whole wing

Ready wings

21/05/2020 12:20:03

Hi guys,

It is very beautiful baby ...  

Before

 

I've decide to use lighter servos for wings and flaps - 26gr - Goteck DS9257.
Digital, ball bearing, coreless motor, lighter.

This way I have had to modify its places.

Goteck DS9257 servo

Edited By Lubomir Bakalov on 21/05/2020 12:24:16

01/10/2019 12:11:50

Subscribed!
I've got one.
Guys
Can you share, please, the used servos, thank and AUW.
Where is your CG and how it is going with?
What engine will confirm the name? frown

I have SC FS61AR, OS FX61, SK110, SC FS120AR, RCGF20,
but suppose the engine weight of around 1kg will be not good idea for balance.

Thank you in advance!

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Has home isolation prompted you to start trad' building?
Q: The effects of Coronavirus

 Yes - for the first time
 Yes - but Ive bashed balsa before
 No - Ive existing projects on the bench
 No - Im strictly an ARTF person

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