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Author Topic: Perryman P-30 One-Design at the Nats!  (Read 1883 times)
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Duncan McBride
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« on: January 29, 2017, 09:32:59 AM »

Interesting choice to make, the little one is a cutie, the BMJR is laser cut and would go together quickly, the Sparrow Hawk has that lovely gull wing but building that all-diagonal fuselage is going to be something.   

I downloaded the plans to the Sparrow Hawk.  Didn't JFK say something when committing to the moon landing, that we don't do things because they are easy, we do them because they are hard?   See you at the Nats!
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jswain
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« Reply #1 on: January 29, 2017, 11:16:41 AM »

these are beautiful designs and if you build the p30 version it would be great to see your photos, thoughts and flight results. 

I regretted not winning an e-bay campbell's full kit of his coupe design, usually i don't give losing a bidding war a thought but really regretted letting that Perryman coupe  kit get away....

john s.
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Crabby
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« Reply #2 on: January 29, 2017, 01:15:17 PM »

Duncan I have been googling this and can't find a picture...I am familiar with the Speckled Bird, but not the Sparrow Hawk. I am looking for a neat P-30 to build. And have been looking at Steve Curran's Spitfire. I want something with charisma. The Sparrow Hawk sounds intriguing.
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Duncan McBride
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« Reply #3 on: January 29, 2017, 07:48:05 PM »

I didn't know it either until I saw the announcement in the NFFS Digest that just came out.  There was a reduction of the plan along with the other two.  Not sure where the plans were originally published, but they are available on the NFFS store.  I bought the pdf download and printed them at a Staples this morning.  The Sparrow Hawk is to me, a more refined effort than the Baby, with the all-diagonal fuselage and the trademark gull wing.  140 square inches.  If it is built to the minimum weight it will be nice flyer indeed.  Really looks like a mini Great Speckled Bird, which is on my list too.
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Duncan McBride
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« Reply #4 on: January 29, 2017, 08:57:49 PM »

Getting started on the Sparrow Hawk, cutting main ribs with an aluminum template.  Will use card stock for the tip and stab ribs.
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dosco
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« Reply #5 on: January 30, 2017, 08:32:46 AM »

Duncan I have been googling this and can't find a picture...I am familiar with the Speckled Bird, but not the Sparrow Hawk. I am looking for a neat P-30 to build. And have been looking at Steve Curran's Spitfire. I want something with charisma. The Sparrow Hawk sounds intriguing.

Crabby:
Look here: https://freeflight.org/product/sparrow-hawk-speckled-bird/

Cheers-
Dave
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Crabby
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« Reply #6 on: January 30, 2017, 12:13:38 PM »

Thanks Dave, I had found it and downloaded another P-30. I had let my NFFS membership lapse over the years and am a little behind in my connections...
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Duncan McBride
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« Reply #7 on: February 05, 2017, 01:19:24 AM »

This is really an elegant design.  Thank you George.  Completing the first fuselage side. 
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Duncan McBride
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« Reply #8 on: February 21, 2017, 11:54:34 AM »

I had intended to take more pictures along the way, but it was just glueing in one little stick after another.  I bent the spars on the same form I used for the LE.  With the Gizmogeezer it weighs 29.75 grams so far.  Plan to cover with Esaki tissue.
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FLYACE1946
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« Reply #9 on: May 15, 2017, 02:29:20 PM »

I guess I better tell you what I remember of the Sparrowhawk designed by George Perryman.  Lee Campbell was already getting set to kit the Sparrowhawk for him in the P-30 version but John O Dwyer in Texas got MAL to kit his Sparrowhawk  first. The hobby shop  known as Model Aircraft Lab on Lee Street since about 1948 or so.

By the way George Perryman gave me a copy of his design with his autograph in the middle. Do you know George built in the air with no building board.

George never wore eyeglasses either which is really amazing to me.

One thing that I remember George said was that for someone to beat him with one of his designs , well they were gonna have to really do a lot of work.
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Duncan McBride
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« Reply #10 on: May 23, 2017, 08:56:06 AM »

"a lot of work".  Yeah, I get that.  I tried to cobble up jigs and stands for the wing and stab, but it was pretty much glue another stick on, and see what it looked like when the glue dried.

Didn't know about MAL.  Are they still around?

First test flights look good but I think the CG is too far back.  Hard to figure. Only flown on low power, and it stalls when the power runs down.  Haven't been able to look at the glide.  I've been meaning to measure up the tail volume and figure out the mean chord, but there has always been something more interesting to do so far  Smiley
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Duncan McBride
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« Reply #11 on: June 03, 2017, 07:26:07 PM »

OK!   Finally got some good weather at Palm Bay.  It was calm between the rain showers and I put it up with a little torque.  Stalled climbing, stalled cruising, and stalled gliding.  So we put 3 grams of lead on the nose and tried again.  Wow.  Climbed like an angel, cruised like a rock star, and glided like a P30, sort of parachuting down behind the propeller spinning like mad.  i was able to bike after it and snap some pictures of it gliding down.  Wish I had a decent lens.  Lit the fuse after that. Several more flights up to 2 oz/in, all good.

Should be ready for the Nats.  See you there!
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FLYACE1946
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« Reply #12 on: June 04, 2017, 08:40:23 AM »

Time for another quote from George Perryman:  "Do nothing in haste but chase" The picture is just fine Duncan.
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Crabby
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« Reply #13 on: June 04, 2017, 08:45:30 AM »

Fabulous picture Duncan.
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Swooper
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« Reply #14 on: July 11, 2017, 11:54:17 PM »

These are my wife and my perryman p3o,s , she started building the bmjr kit and built the stab and then started on the fuselage and the build was over her head , so I finished it ! The sparrow hawk I built from a short kit from don Deloach ! They both fly great , only had them out for trimming once and we had a 4 min flight on the wife's ! The bmjr one weighs 42 grams and the sparrow hawk came in at 39 grams and is a real floater , it was sure a different build though !
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Duncan McBride
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« Reply #15 on: July 12, 2017, 07:55:58 AM »

Very nice!  And 39 grams is an accomplishment.  I hope to see them at the Nats.  Tell me how you did the speckles   Smiley
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Swooper
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« Reply #16 on: July 12, 2017, 08:56:38 AM »

I just used a black sharpie ! Took a hour to put them specks on ! But they just have to be there ! I talked Deloach into adding them to his baby bird ! Look forward to meeting you at the nats , we need to definately get a group picture with all our perryman p30,s !
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TRuss
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« Reply #17 on: July 12, 2017, 03:22:54 PM »

Those are great Swooper!
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