1/6 Westland Whirlwind

[Timo Starkloff]

Yes, it had a retractable tail wheel and it's the only piece which is a bit distracting, when I compare pictures with the original Whirlwind. But I had cancelled that because of the far forward center of gravity. And of course it's a bit easier to build, too. Maybe I'll try that on one of the next models. I have to learn a lot concerning scale landing gears.

 

Concerning plans, at least the Yak-9 was published some years ago 🙂

 

But thanks for the question. I should think about a new article. The drawings and articles are plenty of work. Moving to the house three years ago interrupted that a bit and I have to restart that activity. For the moment I'm happy to build the models. There's a huge backlog, time is short and you don't always have the energy.

 

Actually I resumed working on the Whirlwind. Installing lights and completing the cockpit. There's always another job before the painting starts.

And I started some minor work on another 1/6 scale project. Years ago I did the drawings for a Ki-43 Hayabusa and some friends started building it. One is already flying. Another was built 50% by a very good friend, who died 2 years ago. I will finish his Hayabusa.

 

Timo

[Timo Starkloff]

In October I flew again with my brother. Someone at the field took some nice photos 🙂

Now it's really routine, flying the Whirlwind.

Timo

 

 

[Timo Starkloff]

I started installing LEDs. Tail and wing tip were straight forward. The landing lights will be a bit more work. I thought about attaching them to the landing gear, but they would have to be removable in case of servicing the oleos. So I chose to put them in the outer wing panel and have them retractable, like the original.

 

I haven't found a picture of the original landing light. After looking closely to the drawings and plastic models, I changed the hinge type to a hidden version.

 

Timo

 

 

[GrumpyGnome]

I just want to see it painted :-)

[stu knowles]

Well done on the L/light bowls.  I take it that you moulded your own?  I have tried a 3D printed version of the same but it was a bit thick walled.

 

Great build by the way, You should be very proud of the achievement.

 

Stu K

 

PS  A sliding canopy would look good  🙂

[stu knowles]

Apologies, I've looked more closelyand seen your light bowl plug.  Very clever!

 

The CG on yours looks to be in a reasonably conventional position.  I seem to remember Chris Golds publishing his plan and in the write up it was much much further back than would have been thought safe.  No arguing with how yours flies though.  It looks really good.

 

[Timo Starkloff]

The COG is a small distance forward to the 1/3 wing depth, which is normal for my models. In the case of the Whirlwind and it's high elevator position, I started just slightly nose heavy. Flying should be fine with a certain range of the COG, but stalls with COG too far back could be bad.

There are three documents from the RAeS and an interesting ebook from NASA:

https://www.aerosociety.com/publications/jah-on-the-early-history-of-spinning-and-spin-research-in-the-uk-part-1-the-period-1909-1929/

https://www.nasa.gov/wp-content/uploads/2015/03/483000main_modelingflight.pdf

 

I haven't tried a wing stall and spinning with the Whirlwind, yet. It flies really slow and safe so there wasn't the need to go further. My focus in low speed tests was elevator efficiency and that is perfect from the moment the tail comes up right to the point the tail goes down after the landing. The wing is safe, especially with the low wing loading. But I know from similar models, that it can get very uncomfortable if you loose the elevator efficiency, especially when you're too slow and apply power too quick.

 

Timo

[Timo Starkloff]

Small progress on the lights 🙂

 

 

[Timo Starkloff]

The first of the landing lights is finally moving 🙂

All parts of the hinge are from glass fibre, which is robust and easy to glue. The complete piece including the servo is at 25 grams.

 

Next jpb is applying the clear cover and an extensive update on the wiring...

 

Timo

 

 

Edited November 26, 2023 by Timo Starkloff

[alan p]

Like the servo clips , purchased or printed?

[Timo Starkloff]

Hello Alan, the clips are part of the servo package (Dymond D60). I’ll try to get only servos with these kind of clips. Flat installation on a plywood plate is much easier and better in most cases than upright.

 

Timo

[Timo Starkloff]

The lights are nearly completed and already functional. The wiring update took longer than expected. But the result is great! And the landing lights are switched on while moving out of the wing surface. I'm looking forward to see this in flight 🙂

 

Timo

 

 

[Timo Starkloff]

And I attended a warbird meeting with around fourty modellers. Some showed their projects, I took the Whirlwind with me, including building material, books and some plastic models as a size comparison to a Spitfire and Fulmar.

 

Merry Christmas everyone 🙂

Timo

 

 

[La 5 flier]

Timo, your Whirlwind is truly spectacular made even more so by it being designed by you! I would love to get a set of plans if you are even planning to release them. I built a large WW but lost it due to a wing failure so I'm trying to find another.

[Timo Starkloff]

Hi, sad to hear that. I think I read your story in a forum.

It will take some time until the plans are finished. A Beech 18 came in the way… More on that later 😊

 

But if you’re interested building the Whirlwind from half finished plans, please send me a message. Someone from Germany doesn’t want to wait and actually starts building the Whirlwind. It will be helpful for me to correct and improve issues. My build was very straightforward, but you may know there are always ideas for improvement.

 

Timo