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Old Mar 03, 2013, 07:31 PM
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New Boston, Texas, United States
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Another Guillows P-40

Here is my rendition of the Guillows P-40. The laser cut 28" kit. Built mostly stock. Minor modifications for RC. Covered in Polyspan and Modge Podge. Airbrushed with craft paint. After watching the series of How-to videos on MA about the FW 190, I decided to try some airbrush weathering. Turned out a little heavy but I can live with it for a first try. Tried out a lot of new techinques on this aiplane. Hope it flies. Too windy to maiden today.

WS 28"
AUW 10.1 oz
AET control
Blue Wonder 1700kv
2s 1000mah
8x6 APC SF prop.

Modifications
1 Hatch
2 Ailerons
3 Elevators
4 Removable Wing
5 RC gear


Jim
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Old Mar 03, 2013, 08:03 PM
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Sweet! Should fly well at that weight and power!
Nice job on the weathering, MA videos? On the AMA website?
Glenn
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Old Mar 03, 2013, 08:36 PM
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Quote:
Originally Posted by glewis View Post
Sweet! Should fly well at that weight and power!
Nice job on the weathering, MA videos? On the AMA website?
Glenn
Thanks Glenn. I hope she flies well. The videos are on the Model Aviation site. Here is a link. http://www.modelaviation.com/scalemodeling

Jim
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Old Mar 04, 2013, 01:01 AM
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Moab, Utah, USA
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Very nice Jim. I have one in the box. Glad to see that it is a do-able project. As to the weathering being a bit heavy, I think it was Dave Platt who said when it comes to weathering to apply half of what you think you need and you will end up with twice as much as you actually need.

Larry
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Old Mar 04, 2013, 06:26 AM
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St. Martin's Avatar
Skunk Water, Rhode Island
Joined Jul 2002
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Very nice work, Jim. I wish very much that Guillows had done the "B" version of the P-40. I think it had much more of that MEAN look to it, with the shark mouth.

Looks like you added washout. Thats good.

Fuzz
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Old Mar 04, 2013, 10:51 AM
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Cheers, nice model! Best of luck on the maiden!

M
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Old Mar 04, 2013, 10:54 AM
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Steve85's Avatar
Canada, ON, Kingston
Joined Mar 2004
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Jim,

Very nice. I have the plans for this in my stash somewhere and will build it one day as an addition to my hangar of Guillow's models. You can't have too many!

Good luck on the maiden.

Steve
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Old Mar 04, 2013, 11:02 AM
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Jim,

It looks fantastic. I think the weathering looks fine. Best wishes on you maiden.

Dave
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Old Mar 04, 2013, 02:50 PM
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Very cool, nice to see more of the P-40s!
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Old Mar 04, 2013, 09:08 PM
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Thanks for the compliments. I always love to have my ego stroked. Keeps the passion for the hobby alive.

The P-40 was a very enjoyable build. There was not a lot of head scratching, she pretty much just fell into place.

I did use a good bit of washout but the upturn in the wingtip makes it look like it has more than it really does.

My main goal for this model was to try some new things and keep it as cheap as possible. I even bought the kit using a coupon. My bank prints coupons on the back of ATM receipts. I used one with a 40% off at Hobby Lobby and picked up the kit for about 28 bucks. Couple of weeks ago I also picked up a P-51 the same way. The P-51 will be for later.

Some of the things I learned. First, I like Modge Podge. All the covering is stuck down with Modge Podge. And sealed with Modge Podge. I even used Modge Podge to glue the decals down when they would not stay down by themselves. Second, Polyspan is great, I loved using it. It comes out really well if you apply the adhesive to the model then iron it down. On the wings, I tried to apply the Modge Podge to the Polyspan first by brushing it on while it was laid out on wax paper. Did not work good. After the Modge Podge dried I could not tell which side was the shiny side and which was the fuzzy side. And on some pieces it did not matter. The finish did not come out as well. So dont try that. Third, Modge Podge makes a good sealer. I thinned it about 50/50 with water and it sealed the Polyspan in two to three applications. Turned out fairly smooth. Lastly, Once you seal the Polyspan, LEAVE IT ALONE. I tried to smooth it by rubbing with 000 fine steel wool and got the fuzzies where the covering goes over the ribs. So dont try to sand or smooth or anything else to the covering after it is sealed.

Was too windy to maiden yesterday and today. Did get a flight on my Zero that you can see in my avatar. The Zero has turned into a great flyer.

Now to finish some other projects that I have hanging around here. Hellcat

Jim
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Old Mar 04, 2013, 09:37 PM
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Great Job on the P-40 Jim, everybody must must have one of these Guillows kits stuck in a closet somewhere, I've got one also. Was this one of the laser cut kits?

I'm like you I really like Polyspan. Does Modge Podge weigh as much as 50/50 thinned lacquer when sealing Polyspan? It takes me about 4 coats of lacquer to get a pretty good seal. Before my paint.

Sure hope you get a vid of the maiden, best of luck with the first flight.

Bill
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Old Mar 06, 2013, 09:00 PM
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Quote:
Originally Posted by Bill Smudge View Post
Great Job on the P-40 Jim, everybody must must have one of these Guillows kits stuck in a closet somewhere, I've got one also. Was this one of the laser cut kits?

I'm like you I really like Polyspan. Does Modge Podge weigh as much as 50/50 thinned lacquer when sealing Polyspan? It takes me about 4 coats of lacquer to get a pretty good seal. Before my paint.

Sure hope you get a vid of the maiden, best of luck with the first flight.

Bill
Hi Bill,

Yes it was one of the laser cut kits. The laser cutting is nice. However, they are cutting out the same shapes as the original die cut patterns so there are some fit issues when compared to some of the CAD designed plans. But it costs less too.

As far as Modge Podge vs Lacquer. I have used both and I like the Modge Podge better. Thinned at around 50/50 it goes on smoothly with a brush. Levels itself better than the lacquer I used and in most cases only took 2-3 coats. It also acts a glue filling some small joints and helping to really nail down things like fins and stabilizers. As far as weight goes. Cant tell any difference. The P-40 came out at 10.1 onces. Without me cutting any lightening holes. So I would say the covering was plenty light enough. As a matter of fact, I had to cut a hole in one of the formers to move the battery back as I ended up way nose heavy.

Got home from work after dark today so again no maiden. Maybe tommorrow.

Jim
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Old Mar 07, 2013, 03:03 AM
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Beautiful build, certainly a great finish and all that weathering looks great! Hope she flies as well as she looks.

Charles
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Old Mar 07, 2013, 08:31 PM
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Maiden a success. All alone with no one to take pix though.

Had about 5-10 mph wind this evening with nice sunshine. Decided to give it a go. A good hard launch into the wind had her moving on her way. Had to grab the elevator pretty quick as she started to angle down. Added some up trim and she settled in nicely. No aileron trim needed. Cruises on 1/2 to 3/4 throttle. Full throttle gave some really nice loops but will loop at 3/4. Roll rate was a little slow. Will try some more aileron throw next time. Gained some altitude and tried a stall test. She just mushed straight ahead with no tip stall. I was amazed at how well the stock airfoil flew. I guess I got the wing incidence right as she does not climb with more power. After 8-10 minutes I brought her in for a really nice slow landing.

I have to admit that this was one of the easiest maiden flights I have ever had. She really did well. Just made me wish I had gone ahead and added rudder control. I will miss not being able to perform some stall turns and snap rolls. I think I will keep this one.

Jim
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Old Mar 07, 2013, 09:11 PM
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Congratulations on the successful maiden. Sounds like it flies just great. Now to get mine out of the box and on the building board.

Larry
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