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RE: P-6E Curtis hawk (build thread) - 5/12/2011 11:49 PM   
Warbird Man



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Status: offline 		I don't believe there is any recorded specs on the incidence for the wings. You just put it all together as shown in the instructions and it's good to go. Just make sure the CG is right on and the plane will fly very well.

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RE: P-6E Curtis hawk (build thread) - 5/13/2011 2:15 AM   
bgw45


 

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Status: offline 		I really don't know. I was just responding to flight characteristics I did not enjoy. So, I have been raising the back of the top wing to get is closer to the alignment of the bottom wing. Just got to get a chance to get it in the air.

Edit to report the effect of incidence change in top wing
Got the top wing aligned with the bottom wing and all is like I enjoy it. May not be "right", but it works for me. Tracks better from mid to high throttle and still did not lose the quality landing characteristics.

< Message edited by bgw45 -- 6/11/2011 5:23 AM >

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RE: P-6E Curtis hawk (build thread) - 5/13/2011 2:43 AM   
Warbird Man



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Status: offline 		Sorry I didn't read your earlier post.

If you trim out the plane hands off at about 1/2 throttle then open it up and the plane climbs, you don't have enough down thrust to the engine. If you open it up from 1/2 and it dives you have too much. (usually not the case) The plane should fly striaght and level at all power settings. Of course with the exception of cutting the throttle, loosing enough airspeed and then dropping.

Unless you have a defective wing of some sorts, I wouldn't mess with the wing incidence. It should fly great as it was designed.

(Just some friendly 2 cents)



< Message edited by Warbird Man -- 5/13/2011 10:45 PM >

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RE: P-6E Curtis hawk (build thread) - 5/13/2011 9:45 PM   
Col. Buckshot



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Status: offline 		Thanks warbird man. I,m trying to set the cabanes and align the top wing as the manual says. The top wing looks like it'll have a couple 3 deg. positive incidence.

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RE: P-6E Curtis hawk (build thread) - 5/14/2011 2:18 AM   
AncientCityFlyer


 

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Status: offline 		I have the P-6 and it flies great. One thing to know....the "N" struts have small red arrows on each one. These need to facing back toward the tail. The manual isn't clear on this but those of us who assembled this bird have found out the issue with arrows. As long as you install them this way you'll be OK. If you try the other way the incidence will be off, and the upper wing will not align with the cabanes if the "N" struts are installed backwards. The lower wing incidence is pre-set by the wing saddle. I'm flying mine with a Saito 1.80 and it balanced with no additional weight. Maiden was great. Got it airborne throttled back to 3/4 throttle and it was hans-off flying with NO trim adjustment. Best bird I have. Mike (ACF)

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RE: P-6E Curtis hawk - 5/26/2011 7:27 PM   
csandt051196


 

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Status: offline 		Exhaust - Did you ever build any? If so which engines?

Let me know.

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RE: P-6E Curtis hawk - 5/26/2011 10:30 PM   
flyfisher431


 

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Status: offline 		Kelvin did build several but discontinued them after GP ended production of the model. If you call him and plead your case he might make one for you. http://www.keleo-creations.com/

BTW I have one for my EVO 26GT and the work is wonderful.

Fly

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RE: P-6E Curtis hawk (build thread) - 6/10/2011 10:15 PM   
csandt051196


 

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Status: offline 		Is there a list of suggested changes to make while building? 60 pages of threads is a lot to go through.

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RE: P-6E Curtis hawk (build thread) - 6/10/2011 10:28 PM   
tenacious101010


 

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Status: offline 		Use lockwashers and loctite on all boplts on the struts and on the early planes, the arrows were in the wrong place for positioning the wing struts. Thats all I am aware of.

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RE: P-6E Curtis hawk (build thread) - 6/11/2011 3:32 AM   
Ed Couch


 

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Status: offline 		Last weekend the Greater Southwest Aero Modelers in Ft Worth, Texas held their annual club Biplane Fly-In. In the 30 plus birds there were three Hawks showed up to show off the colors. All are the old kits with two being powered by DLE 30s and the other is electric powered by an Eflite 110 on eight cells. About half way through the morning we called the three vehicles together for a flight. Three ships in the air together proved a thing of beauty and a joy to behold as a friend once said. I felt we were all over the sky sometimes but we had a ball. Photos attached. I've been flying the electric version now for 4 years and its a hoot and I have not a gripe against it. I'm glad to see it re-released. Ed

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RE: P-6E Curtis hawk (build thread) - 6/11/2011 7:34 AM   
tenacious101010


 

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Status: offline 		They look great together, we had 3 together once at a fly in at Sarasota, thats why mine is now number 41, just in case I get to fly with another Hawk. Great pics.

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RE: P-6E Curtis hawk (build thread) - 6/13/2011 8:22 PM   
tenacious101010


 

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Status: offline 		RIP, my buddy bought one so we could fly together and on its first flight, made several passes around the field, did a loop, on the way down lost signal, went in from way high at a 45 deg angle straight as an arrow, no response from Xmtr. So sad to watch, from the high altitude, wayy too long to watch a plane you know is going to die.

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RE: P-6E Curtis hawk (build thread) - 6/13/2011 8:47 PM   
Ed Couch


 

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Status: offline 		Ouch!! Man does that hurt. Been there and done that many times myself over the last 50 years and it never gets any easier. Keep the faith and keep chugging. ed

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RE: P-6E Curtis hawk (build thread) - 6/13/2011 9:20 PM   
Lifer


 

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Status: offline 		Very unpleasant situation. Sorry about the loss. Have you been able to duplicate the loss-of-signal situation?

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RE: P-6E Curtis hawk (build thread) - 6/13/2011 9:39 PM   
tenacious101010


 

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Status: offline 		I think I was more devestated more than the pilot and owner. He held up elevator the whole tome we watched it go down hoping signal to return. We kept the transmitter on as we walked to the plane, as we approached the pilot moved the elevators and we could see them working. Everything that was still connected worked. Had to be intermittant power loss or lockout. We think it was power loss, it just locked in and went straight as can be. I did point that out to him and complimented him on having it trimmed so well as it dove in. Not sure it made him feel any better.
Denny

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 3:07 PM   
tlroliff


 

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Status: offline 		Anyone flying this model on a DLE-20? I currently have mine on a Saito 1.50 and it flies great but at $29 a gallon for glow fuel I wish I had orginally set it up for gas. Looking at the DLE-20 because it would pretty much drop in with the beam mount and all. I am just concerned whether it will be enough engine.

Of all things the pressure nipple fell off the Saito muffler this weekend. Engine leaned out and I had a pretty rough off runway landing. It will fly again and thinking this might be my opportunity to switch to a gasser.

Thanks in advance.

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 3:09 PM   
tenacious101010


 

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Status: offline 		Anyone doing an Electric Hawk? I have a G-38 in mine, thinking of putting a monster power 160 in it on 10 lipo cells.
Denny

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 3:21 PM   
Ed Couch


 

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Status: offline 		Denny

A 110 on eight 3900 to 5000s works great with plenty of extra power. I've been flying mine for five years now without problems. Almost vertical when needed. A 160 on 10 is a bit of an overkill but it would be a rocket.

ed

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 3:31 PM   
tenacious101010


 

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Status: offline 		Ed,
Thanks for the response. I am new to electrics. What is an 110? Any specific info on motor, ASC etc would be very helpful to get me going on this.
Thanks, Denny

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 7:18 PM   
bgw45


 

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quote:

ORIGINAL: tlroliff

Anyone flying this model on a DLE-20? I currently have mine on a Saito 1.50 and it flies great but at $29 a gallon for glow fuel I wish I had orginally set it up for gas. Looking at the DLE-20 because it would pretty much drop in with the beam mount and all. I am just concerned whether it will be enough engine.

Of all things the pressure nipple fell off the Saito muffler this weekend. Engine leaned out and I had a pretty rough off runway landing. It will fly again and thinking this might be my opportunity to switch to a gasser.

Thanks in advance.


I fly at the same field as Ed C. Mine has a DLE30 in it and I really like the power. Remember, the DLE20 has equivalent power to a 2 cycle 1.20 glow. I think it would fly great with a 20, but I like the reserve power of the 30. I don't use that reserve much as I usually fly the Hawk at 1/2 throttle or less.

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 8:06 PM   
Ed Couch


 

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Status: offline 		The motor mentioned is the Eflite 110 from Horizon Hobbies. It has worked well for me over the past 4/5 years and never given any problems. There are now many others and some less expensive. They all work well and give next to no problems. Bill and I are always snipping at one another about gas or electric and which is the best. Its up to the individual on which way he goes. The P-6 doesn't have any vices and is a joy to fly. Attached are a couple of shots of three of us playing around together with our hawks. ed

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 8:29 PM   
Capt G



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Status: online 		my friend & I both fly Hawks at our field. His has a G-38 and I have a FPE 2.4 (40). I wouldn't want anything smaller.

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 8:38 PM   
tenacious101010


 

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Status: offline 		The G-38 in mine is great, I just like the simplicity of electric. If someone wanted to go gas, the G-38 is a great choice because of its power and weight. I didnt have to add any dead weight to mine to balance it.
Denny

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RE: P-6E Curtis hawk (build thread) - 8/8/2011 9:24 PM   
lumpy649


 

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Status: offline 		Hi all, I have a Hawk nesting in it's box just itching to get out. My Questions to you all are:

1- How is the ground handling for take off? I have a 1/6 scale Flair Nieuport 17 that was a bear to handle at first. ( my first  biplane), now I've gotten pretty good at my take offs.

2- I have a Saito 180 that I want to use in the Hawk, I was wondering if anyone else has the same set up and how did the balance ( CG)  work out. ? I hate to add additional weight on the plane.

Thanks,
lumpy 649

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RE: P-6E Curtis hawk (build thread) - 8/9/2011 3:04 AM   
AncientCityFlyer


 

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Status: offline 		I've had my hawk for about 3 years now and I'm powering it with a Saito 180. Great power match, not way over powered. Fly mine at about 2/3 throttle. Just keep a bit of power on for your final and chop the power when you are about 3' above the runway and she'll settle right in. I originally had a Saito 125 in it. Flew very scale, but got into trouble on a final appraoch and had to give it full power and a lot of up elev. and it ran out of steam in about 15 feet. To me the Saito 180 is a perfect match for the hawk. Plus I didn't have to add any weight.

I've never had any problem with ground handling. As with 90% of tail dragger's you need to feed in a little right rudder as you increase speed to keep her straight. All-in-all it's one of my favorite birds.

Once you get this in the air you'll wish you'd done it sooner. ACF

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