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Author Topic: Chipmunk  (Read 4750 times)
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Balsa Ace
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« Reply #50 on: November 24, 2018, 03:28:18 PM »


Scott

Talking of masks... here's all the spray masks. They fit on an A4 sheet of Artool Ultra Mask cut out using a craft-cutter.

Steve

Very nice,Steve.

Scott
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« Reply #51 on: November 28, 2018, 10:03:44 AM »

Thanks Scott

US gull grey (Humbrol 129) looks quite good and Rustoleum red has a nice crimson hue that I'm happy with.  I try to avoid mixing my own colours as future repairs are much easier to touch up straight from the can.

Steve

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« Reply #52 on: December 09, 2018, 03:38:27 PM »

Here's where I'm at at the moment.

Just got to fuel-proof everything, finish assembly and go test flying!

Loads of details still to be added but I'll see how it goes first.

Steve
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DHnut
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« Reply #53 on: December 09, 2018, 04:44:43 PM »

Stephen,
            That looks really nice. Are monoplanes making a comeback! When you look closely even light planes have a lot of detail, and low wing aircraft are more of a challenge to get flying well and should get the credit for it. That colour scheme always looks crisp and neat. Looking forward to hearing how the flight tests go.
Ricky
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« Reply #54 on: December 23, 2018, 01:50:28 PM »

Thanks Ricky,  I'm hoping that wing-levelling stabilisation will make trimming a lot easier? 

All assembled and ready at to fly 32oz Shocked  how did that happen?  The CG is at 28% MAC without noseweight, which is a good starting point.

Just waiting for some better weather; fat chance this time of year.

Steve



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« Reply #55 on: April 12, 2019, 12:12:06 PM »

Chucked the Chipmunk at some keilkraft grass.  I think that the turn to the right was either weather-cocking or the heading-hold feature on the stabiliser that I should have disabled before setting off to the field.

https://vimeo.com/330061910

Steve
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« Reply #56 on: April 12, 2019, 03:56:40 PM »

Looks very promising Steve, look forward to some powered flights
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« Reply #57 on: August 07, 2019, 10:37:30 AM »

Looks very promising Steve, look forward to some powered flights

A memorable powered flight happened on the friday evening at the ff nats at Barkston.  On the last trimming flight of the evening I forgot to set the engine timer and got a 4minute engine run.  The Chipmunk flew over the main road and the adjacent farm and landed in a wheat field in the next farm along.  Next morning the farmer could see the Chipmunk from his bedroom window, luckily I had contact details on the model.


Update...………   on a camping trip to the New Forest I made the pilot. Blue foam with Hearty clay arms and details. Back home now and just a few more details to add such as the navigation lights and scale prop.


 
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« Reply #58 on: August 11, 2019, 02:57:17 PM »

Here' the Chipmunk still with loads of detail that could be added, but that can wait until we see how it fares/survives at the nationals?  It's surprising just how many mistakes seem to come to light when you start to add markings and details.  There's a couple of howlers that I hope the static judges miss.

All I can do now is one final engine test/ familiarisation session and it's ready.  Was getting 2 flick starts from the PAW 149 on the bench...………. no hope of that on the day of the contest Roll Eyes


Steve
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« Reply #59 on: August 11, 2019, 03:06:57 PM »

Looks great Steve. I look forward to seeing it up close in a couple of weeks. Fingers crossed for some decent weather Huh
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« Reply #60 on: August 13, 2019, 07:26:38 AM »

Neat and gorgeous!
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« Reply #61 on: August 13, 2019, 08:46:31 AM »

Very nice indeed. Also looking forward to seeing it and in action shortly.
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« Reply #62 on: August 13, 2019, 09:58:13 AM »

Thanks guys,

Glad I did one last engine test as a real problem came to light.  With the model sat on the ground, with it's nose up, the fuel drains away from the needle valve. 
impossible for the engine to run on after the prime runs out. Shall start the engine with the fuselage parallel to the ground and hope that that solves the problem. 

As you've guessed I'm really sweating it about being unable to get the engine started the time allowed..... that why I like electrics!

Steve
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« Reply #63 on: August 13, 2019, 10:07:43 AM »

Steve

Spotted one of the "howlers" as you put it, can't see a second one though. 
Same problem that Dave Womersley's F4C Chipmunk has.
Good job I am the FF CD and not static judging at the nats in a couple of weeks then!

John M
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