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Author Topic: 1960 Scientific P-40 Warhawk  (Read 3993 times)

Offline Richard Fleming

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1960 Scientific P-40 Warhawk
« on: May 24, 2022, 06:13:28 PM »
Well I wasn't planning on building another airplane this soon but I had this scratch built Scientific P-40 Warwawk that I framed up quite a few years ago and has been hanging on the wall since then. It has been bugging me that I never finished it along with some of my other projects. A couple of years ago I got a new Golden Bee motor for Christmas and recently got some Brodak dope and other finishing materials.So I have been working towards finishing it slowly lol. I covered the wing with NOS Coverlite dark green covering. A lot stronger than silkspan but it does not shrink as tight and yes you can burn a hole through it easily. Hope to do some more work on it next weekend.
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #1 on: May 24, 2022, 09:22:26 PM »
Looks great! I miss mine. There is a build/crash log on CEF and YouTube for mine. I did get this one to Dave Cowell DPC Models/AeroWerkes for reproduction. He will supply the plastic engine cowl with his rendition. His reproduction kits build fine. NFI.

Offline Paul Smith

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Re: 1960 Scientific P-40 Warhawk
« Reply #2 on: May 26, 2022, 08:13:52 AM »
Your needle valve is a sitting duck with that inverted cylinder placement.  Flip it back after the photo session.
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #3 on: July 07, 2022, 05:51:03 PM »
Yes Jim, I do like your P-40! It has been slow go trying to do much work on such a small model lol! Tried out the new silver sanding sealer Brodak sells and does fill the grain nice. Got the underside painted gray and the olive drab is next.
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #4 on: July 13, 2022, 05:46:51 PM »
Made some more progress this past weekend. Got on two coats of gray and a single  coat of olive drab.
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #5 on: July 14, 2022, 09:00:40 PM »
This is making me want to build another, Mr. Richard.

Do you have the decals? If so, any chance I could get scans of them?

Thanks in advance,

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #6 on: July 15, 2022, 04:34:56 PM »
Hello Jim, I don't have the original decals any more but I do have a color copy of them. I could send you a copy if you like. I bought some Brodak 1/2A Wildcat decals. They are close to the correct size for the wing markings. I am going to paint the mouth and eyes on the cowling. Wish me luck on doing that lol. Richard
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #7 on: July 18, 2022, 08:45:43 PM »
Mr. Richard,
I'm cheering you on!

Here was mine:
https://www.coxengineforum.com/t11364-1960-scientific-p-40-profile-kit

Good luck hand-painting those decals. I do have fullsize scans and can email them but there are a few anomalies because I had to digitally stitch the scans from several smaller segments (this is why I was hoping for another crack at finding better scans). PM your email address and I'll send them. Or, I can try to attach PDFs on this forum if you would like them.

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #8 on: July 20, 2022, 06:30:28 PM »
Thank you Jim. I almost painted mine with the blue as you did, it really pops with the olive drab. I am going to try use the copy I have to make a pattern for stencils or masks when I paint.
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #9 on: July 20, 2022, 09:48:56 PM »
I know I still have the engine, firewall, tank and landing gear. I **might** still have the canopy. If so, the canopy is yours if you want it. Should I look this weekend?

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #10 on: July 22, 2022, 05:39:17 PM »
That would be great Jim, thank you for the kind offer on the canopy.
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Offline George Fruhling

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Re: 1960 Scientific P-40 Warhawk
« Reply #11 on: August 02, 2022, 07:10:31 PM »
Well I wasn't planning on building another airplane this soon but I had this scratch built Scientific P-40 Warwawk that I framed up quite a few years ago and has been hanging on the wall since then. It has been bugging me that I never finished it along with some of my other projects. A couple of years ago I got a new Golden Bee motor for Christmas and recently got some Brodak dope and other finishing materials.So I have been working towards finishing it slowly lol. I covered the wing with NOS Coverlite dark green covering. A lot stronger than silkspan but it does not shrink as tight and yes you can burn a hole through it easily. Hope to do some more work on it next weekend.

Nice looking model. With the built up wing, I bet she is quite nimble. Just wondering. With the cylinder facing down, is that an advantage?  Me, I usually get carried away and ran out of fuel while inverted an had to land that way. Needle valve looks vulnerable.

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #12 on: August 08, 2022, 02:56:42 PM »
Hello George, This model was designed to have the cylinder inverted so it is hidden inside the cowling. I have been making some progress with wing glued in, elevator horn installed, rear windows, eyes and teeth painted. Decals were slid on the wing today. It's getting there. Richard
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #13 on: August 11, 2022, 01:19:27 PM »
Here are a couple of photos showing the wing decals, machine guns in the wings and the elevator control horn. The control horn I cut out in two pieces. The bottom part is glued through the slit in the elevator and capped off the another piece on the top of the elevator. A little more reinforcement  plus it looks more like original single piece control horn.
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #14 on: August 11, 2022, 01:20:41 PM »
control horn
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #15 on: August 21, 2022, 12:11:04 PM »
It is finally finished. All that's left to do is fly it!
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #16 on: August 21, 2022, 12:13:06 PM »
Another photo
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #17 on: August 21, 2022, 12:13:39 PM »
last one
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #18 on: August 21, 2022, 01:27:40 PM »
Beautiful job! I look forward to your flight notes.

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #19 on: August 21, 2022, 03:24:24 PM »
Thank you Jim. For a little airplane it took a long time to finish but it was fun.
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #20 on: August 21, 2022, 07:36:00 PM »
Mine:

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #21 on: August 22, 2022, 11:58:02 AM »
very cool
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Offline john e. holliday

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Re: 1960 Scientific P-40 Warhawk
« Reply #22 on: August 22, 2022, 12:20:09 PM »
I too wait for the flying reports. D>K
John E. "DOC" Holliday
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Offline Juan Valentin

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Re: 1960 Scientific P-40 Warhawk
« Reply #23 on: August 22, 2022, 05:50:20 PM »
It is finally finished. All that's left to do is fly it!
                         A very fine looking model, I saved the pictures for inspiration in case I find a kit.
                                                                                                                                                              Juan

Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #24 on: August 22, 2022, 08:14:51 PM »
Mr.V,
Easy to scratch out one...have all the full-size templates and art work sitting in a digital file.

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #25 on: August 23, 2022, 05:29:50 PM »
Thank you Juan, it is one of my favorite Scientific model designs. I was inspired to finish up this plane when I saw Jim's postings a while back. This plane has been framed up and hanging from my workshop peg board for the last fifteen years or so!  Don't have any 1/2a fuel on hand since all I have been flying is .35 size models. Fuel, stringe, and lines are being ordered.
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #26 on: September 03, 2022, 05:20:04 PM »
I tried breaking in my new engine before flying the plane but had issues. I was filling the tank and then fuel started shooting out the back of the tank through the reed vent hole. After taking the tank apart and checking the reed valve I discovered the bottom tank vent tube was not open from the manufacturing process. I hope to get a small drill bit and clear out the vent and try again.
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Offline john e. holliday

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Re: 1960 Scientific P-40 Warhawk
« Reply #27 on: September 03, 2022, 07:29:27 PM »
Yeah, that happens.  I had an OS remote wouldn't draw fuel.  Found it had not been drilled.  In fact some probably didn't know this as at one NATS a vendor selling Cox engines had a bunch of them with no reed installed.  If you need one let me know. D>K
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #28 on: September 04, 2022, 07:21:55 AM »
Mr. Fleming,
You knocked it out of the park!
Could I trouble you to weigh your plane?
Mine came out pretty heavy. I'm curious what a better-built plane may weigh.
Thanks in advance.

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #29 on: September 05, 2022, 05:27:05 PM »
Thank you for the offer John. I went to our local Ace hardware today and bought a #60 drill bit and was able to clear the vent tube. Started breaking in the engine early this evening after the NHRA drag racing lol. I am using an old Cox gray competition 5.5x4 prop when I flew 1/2a combat days back in the eighties. Using a glow plug adapter for a standard med plug and 25% nitro. It will take a while to break this one in. After finding a good plug and about third tank it starting holding a rich needle setting. Jim, I hope to weigh the P-40 if I can locate a digital scale.
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Offline john e. holliday

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Re: 1960 Scientific P-40 Warhawk
« Reply #30 on: September 05, 2022, 05:44:21 PM »
I await flight reports. H^^
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #31 on: October 23, 2022, 11:18:58 AM »
Flew the P-40 this morning. Three short flights, two laps each. I had a good needle so I think it could be a fuel pick up issue. However, the plane flew great on 1/2a braided lines and when the engine cut out I was very surprised how well it would glide to a soft landing. The left side of the cowl did tear where the mouth was painted so repairs will need to be done. Was hoping to get a video of it flying but maybe next time.
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #32 on: October 23, 2022, 07:16:20 PM »
WooHoo! Good for you, Mr. Fleming. That's good to hear.

Offline john e. holliday

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Re: 1960 Scientific P-40 Warhawk
« Reply #33 on: October 23, 2022, 10:34:17 PM »
Glad to hear it flies.  Now to figure out fuel problem. D>K
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #34 on: October 24, 2022, 02:16:35 PM »
Added Plastic strips and fiberglass
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Offline Richard Fleming

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Re: 1960 Scientific P-40 Warhawk
« Reply #35 on: October 24, 2022, 02:18:01 PM »
Cowling boo boo. I will have to keep my big fingers away from the air inlet. lol
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Offline 944_Jim

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Re: 1960 Scientific P-40 Warhawk
« Reply #36 on: October 24, 2022, 07:41:53 PM »
Oops...hooked my wires upside down:
https://i.servimg.com/u/f67/19/61/34/32/img_2038.jpg

Offline john e. holliday

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Re: 1960 Scientific P-40 Warhawk
« Reply #37 on: October 24, 2022, 08:58:28 PM »
That is bad.  Need to check controls before release.   Of course I have done it several times being in a rush. D>K
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.


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