Guillow's Chipmunk Kit 50-2

[Marc Guerriero]

I agree, I am making a similar propeller, following the Maxfliart Youtube video, and making the brass tube  freewheel part is the mot tricky

Yes, it would help a lot of modelers out to have 3D printed hubs. I am surprised other retailers have not taken advantage of it. Maybe they have, but I am just not aware of it. I knew that the spinner was going to be challenging to replicate per scale. Maybe I should have gone with my first choice of a cut down 900 series P-51/Hawker Typhoon spinner. But what I have is starting to grow on me. It gives the model character and accentuates its "Chipmunkness". Besides, I have seen a lot of RC chipmunks that don't exactly have the most scale proportional spinners. 

[Marc Guerriero]

I am still contemplating whether or not I want to rethink the whole spinner situation. This is what I have. Any honest opinions welcome. Don't be afraid to be honestly critical if you feel that way. All opinions welcome.

[OZPAF]

It looks pretty good to me Marc - the only slight improvement would be to have the skirt of the spinner a little closer to the cowl. I'm not sure I would go through the whole spinner exercise just for that!

Paint and finish is first class.

John

[Marc Guerriero]

It looks pretty good to me Marc - the only slight improvement would be to have the skirt of the spinner a little closer to the cowl. I'm not sure I would go through the whole spinner exercise just for that!

Paint and finish is first class.

John

Well, you know I tend to be a masochist about these things when I am not satisfied. And since I am in for the "long haul" I am willing to take whatever time I need to get it right. I might build a spinner with a frame work and then fill in the spaces with pieces of strip wood.

[Marc Guerriero]

So, I went with the framed up spinner, which will be filled in with strip wood and sanded to shape. I'll put a "ceiling" inside the spinner to prevent the prop shaft from going too high into the spinner when disengaged from the clutch and getting caught in the "rafting". As a side issue, You can see that I have not actually glued the canopy in place yet as I am planning to put some profile pilots in the cockpit. Also, without a lot of reflective light, you can see that the tissue is not exactly "white". I used the EZE tissue which is labeled as "natural" which is like linen. If I had used a true white tissue it would have been more vibrant. But I used the EZE tissue because it was easier to cover the wings with and it is strong.

[Marc Guerriero]

One more photo:

[Marc Guerriero]

I am also using a smaller diameter thrust button which I sanded down to a flat stump which will allow the spinner to be placed closer to the nose.

[OZPAF]

Well that is definitely being masochistic Marc   but good on you.
When you say you will be adding strip balsa to the spinner frame - do you mean more curved strips like the existing frame?

As an alternative - you couldn't add a balsa ring extension to your existing spinner?

John

[Marc Guerriero]

Well that is definitely being masochistic Marc   but good on you.
When you say you will be adding strip balsa to the spinner frame - do you mean more curved strips like the existing frame?

As an alternative - you couldn't add a balsa ring extension to your existing spinner?

John

The strips of wood will create a wider diameter than the existing framework and then be sanded to match the curvature of the frame.

[Marc Guerriero]

You can see from the photos that there is a "Ceiling" inside the spinner to prevent the prop shaft from getting caught in the "rafters" when freewheeling.  It is still a bit large per scale because I had to add a few circular bases at the bottom of the spinner but it is closer in shape to the scale version.

[Marc Guerriero]

This is what I have so far. I will fill in the remaining spaces with balsa filler before painting:

[Marc Guerriero]

Still a bit large, but there is a compromise with some models between scale appearance and functionality:

[Marc Guerriero]

 A little more smoothed out:

[Marc Guerriero]

Initial coat of paint:

[Marc Guerriero]

 Some addtional paint: