RE: New Hangar 9 1.50 P-51 Build

RE: New Hangar 9 1.50 P-51 Build (Full Version)

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Rip n Bank -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 3:39:06 AM)
quote: ORIGINAL: tailskid "Hi-Tech 545's." Can't find them on Tower's pages....what's the torque on them... HS-545BB: 61 oz.in. @ 4.8 Volt. $28 each at my LHS... Bo

tailskid -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 5:59:14 AM)
Are those servos REINCARNATE, digital by any chance?

reincarnate -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 2:11:06 PM)
Tailskid...If we're still talking about the 545's, no they're not. They are a high torque, top BB, servo with a plastic gear train. Thats a lot of banana's to be pouring to a plastic gear I think. Would be a great choice for a smaller bird, just don't think a great choice for this one. The DS821's with their composit gear train are the very low end of what I'd go with a 14-16lb plane, and that just because its a warbird not a acrobat. Here's a Hi Tec servo chart. http://www.hitecrcd.com/Servos/servochart.pdf

olstoney -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 2:20:09 PM)
Are any of you guys using other that JR servos having to enlarge the servo bays? It has been my experience with H-9, that they size the servo bays for JR servos and the bays have to be enlarged to fit anything else.

pettit -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 2:25:19 PM)
I have always found that Horizon ARFs require opening up the servo mount openings a little whan using non-JR servos. And I've done a bunch of them....

sherriffg1 -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 2:28:52 PM)
can you enlarge the servo bay to take standard size servos ..Dave..

pettit -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 2:33:31 PM)
Yep, just a few swipes with a hobby knife and you're done.

sherriffg1 -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 2:43:33 PM)
why are we all spending a arm & leg on low profile servos when it's so easy to fit standard size high torque servos. Dave.

pettit -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 2:47:03 PM)
If you're speaking of the servos used on the retracts, the standard case size will hit the wing structure when the retracts are installed. If you're speaking of the other servos, it really makes no difference since standard servos will work just fine.

solarmusic-RCU -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 4:12:19 PM)
Anybody got a source for large 3 blade props? I really want something in the area of 17 x 8 - 18 x 6. I like the Master airscrew for shape, performance and price but they only go up to 16 x 8.

Spitpilot -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 5:00:58 PM)
Try Solo props out of Canada - they are variable pitch and come in (2), (3) or (4) blades, they are a little pricey but well worth it in my opinion. They have P-51 style blades which I am using on a (4) bladed hub on my original 150 size H9 P-51 - here is the web site - http://www.soloprops.com/about.htm John.

solarmusic-RCU -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 5:06:33 PM)
I am afraid to nose over on a prop that expensive. I'm looking for something in the $20 - $30 range.

reincarnate -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 5:25:24 PM)
Spit... Those are outstanding. Although solarmusic has a point about cost/ruining them, if your gonna fly your $1500 airplane your taking the chance of crashing every time you go up. I'm going to order a set of these for the 1.50 P-47 I just ordered. Thanks!

reincarnate -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 5:32:38 PM)
Just ran across this on post about events. If you're as big a Mustang fan as I am you'll appreciate it. Otherwise my apologies, because it doesn't belong in this thread. Also here is the website to watch for information. http://www.gml2007.com/index.cfm If you are a Mustang fan like me you will be here on September 27-30th They expect 100-150 full scale Mustangs to attend!!!! Maybe the last chance to see this many Mustangs in one place. Gary Webb Gathering of Mustangs and Legends For Immediate Release December 6, 2006 Thunderbirds to Perform at the 2007 Gathering of Mustangs and Legends Just when you thought that The Gathering of Mustangs and Legends – “The Final Round Up” could not get anymore exciting, the U.S. Air Force (USAF) Thunderbird team announced that they will be performing at the Gathering September 27-30, 2007 in Columbus, Ohio. The Gathering of Mustangs and Legends, to be held at Rickenbacker International Airport in Columbus, OH will bring together over an estimated 100 beautifully restored P-51 Mustangs. The P-51 is commonly credited with being a pivotal element in the Allied Forces’ effort to win World War II. Since the military retired the P-51Mustang, the aircraft has been purchased by civilians and restored to their original glory. Of the over 15,000 Mustangs produced, approximately 150 remain in flying condition today. The Gathering of Mustangs & Legends will hope to bring together over 100 of these aircraft and honor 51 Legends associated with the aircraft such as WWII aces, Tuskegee airmen, crew chiefs, WASP’s and more. This event will recognize and celebrate the contributions of all WWII veterans who are now in their mid-80’s. Lee Lauderback of Stallion 51 Corporation, the premier P-51 Mustang Facility in Kissimmee, FL and event sponsor, expressed his excitement at having the prestigious USAF Thunderbird aerial demonstration team announce they will perform at the Gathering of Mustangs & Legends event. ”What a terrific way to help celebrate the history of the P-51 Mustang! The Thunderbird team will help honor the contributions of the men and women who designed, built and flew the P-51, one of the greatest propeller driven airplanes of all time, as well as pay tribute to today's heroes who are helping defend our freedoms. The sounds of freedom filling the skies will link generations of great planes and pilots. Seeing and hearing the aviation history that has evolved into the F-16s being flown by the Thunderbirds today will be a memorable element of the Gathering”, stated Lauderback, after being notified that the Thunderbirds had chosen the Gathering for one of their coveted stops during the 2007 air show season. The USAF Air Demonstration Squadron is an Air Combat Command unit composed of eight pilots and over 100 support personnel who incorporate the maneuvers and techniques that won the war over the skies of Europe over 60 years ago into a powerful, spell-binding display of aerial ballet. The hour long show combines formation and solo flying mixing 40 exciting maneuvers that are amazing if performed alone but are awe-inspiring when performed in perfect close harmony over head. “Stallion 51 Corp and Columbus could not be more thrilled with the prospect of adding even more to this once in a lifetime world class aviation celebration,” said Lauderback. “We are honored the USAF Thunderbirds will be performing in Columbus at the 2007 Gathering of Mustangs and Legends.” said Elaine Roberts, President & CEO of the Columbus Regional Airport Authority, which operates Rickenbacker International Airport. “The precision aerial maneuvers exhibited by the Thunderbirds are sure to be a crowd pleaser and will be a fitting tribute to the World War II 51 legends to be honored at the Mustang event.” For more information, contact KT Budde-Jones Media Director for the Gathering of Mustangs & Legends at Media@GML2007.com (407) 846-7251 or Angie Tabor, Manager of Communications for the Columbus Regional Airport Authority, at (614) 239-4081. This post was copied and pasted from warbird events forum. Credit to Gary Webb

Spitpilot -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 7:03:09 PM)
Although the initial outlay is high for the hub and blades ,the blades can be replaced individually for, what I think, is a reasonable price. Yes, I plane on being at the Gathering of Mustangs in September - should be a fantastic showing. I was at Duxford in the UK last year and had the oportunity to see (10) Spifires flying together - that was also a memorable experience. John.

reincarnate -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 9:55:09 PM)
What spinner did you use on the 51 with these? The hub will look geat on the 47.

Spitpilot -> RE: New Hangar 9 1.50 P-51 Build (1/22/2007 10:21:39 PM)
It's a Dave Brown spinner with custom cut outs - it also has a slight groove machined into the spinner at the proper blade location to represent the full scale production spinner separation joint. John.

1080tommy -> RE: New Hangar 9 1.50 P-51 Build (1/25/2007 4:10:00 AM)
I'm planning on using the supplied spinner for the flight spinner and I have never cut out a spinner. So my question is, do you just tape the template on the bottom of the spinner, and then just cut. Seems like it would be easy to cut the spinner so that it is out of balance. Can anyone who has used the supplied spinner tell me how they did it. I really want to do it correctly, and do not want to buy a 150$ aluminium spinner. Plus I have already fabricated engine mounts that extend the drive axle 1/2 inch past the firewall to accomodate this spinner. Thanks. Tom

pettit -> RE: New Hangar 9 1.50 P-51 Build (1/25/2007 11:51:27 AM)
I followed the book and taped the pattern to the spinner cone. Be sure the prop pitch is correctly oriented. I used a heavy duty cut-off wheel to make the 2 parallel cuts for the prop and then a drum sander to round out the top section. Don't worry about balancing too much since the amount you take out is microscopic conpared to what's left. Be careful threading the bolts into the spinner back plate. Too light and they'll fly out. Too tight and they'll strip.

Spitpilot -> RE: New Hangar 9 1.50 P-51 Build (1/25/2007 3:21:28 PM)
Use the approach Pettit has outlined and just take your time. One other step I use, when finished with the cut outs I make a cardboard template and check that each cut out is the same and trim as required, this essentially eliminates the out of balance issue. Also, the Dave Brown spinner is only around $60, not the $150 you have mentioned. John

Rip n Bank -> RE: New Hangar 9 1.50 P-51 Build (1/25/2007 3:33:25 PM)
quote: ORIGINAL: 1080tommy I'm planning on using the supplied spinner for the flight spinner and I have never cut out a spinner. So my question is, do you just tape the template on the bottom of the spinner, and then just cut. Seems like it would be easy to cut the spinner so that it is out of balance. Can anyone who has used the supplied spinner tell me how they did it. I really want to do it correctly, and do not want to buy a 150$ aluminium spinner. Plus I have already fabricated engine mounts that extend the drive axle 1/2 inch past the firewall to accomodate this spinner. Thanks. Tom Tom, Well, I looked long and hard at the supplied spinner, and found the aluminum to be quite thin, including the recessed back plate. 'Fraid it's being relegated to scale, static display, only. Frankly, I didn't think it would hold up to remaining centered, and balanced, at ~9000 rpm. Yes, you can spend $150 on a spinner if you buy Tru Turn, an excellent spinner. Or, you can do what I did and buy a Dave Brown 5" parabolic for ~$48 (LHS). The latter is certainly a very good bang for the buck!, plus, you don't have to worry about cutting out the prop slots. You'd have to revise your engine mount again, of course. Bo

motoadve -> RE: New Hangar 9 1.50 P-51 Build (1/25/2007 8:18:54 PM)
Will a Saito 150 fly this plane?

pettit -> RE: New Hangar 9 1.50 P-51 Build (1/25/2007 8:29:38 PM)
The power range shown is 1.20 - 2.20. I guess a 1.50 will do OK, but there is no substitute for cubic inches. (except cubic centimeters!)

tranker -> RE: New Hangar 9 1.50 P-51 Build (1/25/2007 10:09:28 PM)
quote: ORIGINAL: Rip n Bank Tom, Well, I looked long and hard at the supplied spinner, and found the aluminum to be quite thin, including the recessed back plate. 'Fraid it's being relegated to scale, static display, only. Frankly, I didn't think it would hold up to remaining centered, and balanced, at ~9000 rpm. Yes, you can spend $150 on a spinner if you buy Tru Turn, an excellent spinner. Or, you can do what I did and buy a Dave Brown 5" parabolic for ~$48 (LHS). The latter is certainly a very good bang for the buck!, plus, you don't have to worry about cutting out the prop slots. You'd have to revise your engine mount again, of course. Bo I did exactly that. The Dave Brown spinner works great and looks as good as tru-turn.

reincarnate -> RE: New Hangar 9 1.50 P-51 Build (1/26/2007 12:47:37 AM)
Went with the Dave Brown 5" P-51 spinner on mine too. Prepped with self etching primer and painted cub yellow to match. Got a little carried away evidently, as I had to wet sand and repaint twice to balance. Worth it to me. A polished spinner (if you take the time to polish it!) looks great, but yellow looks scale. Did 1 hour of break in on the Evo 26 GT2 tonight. Started in the garage (heated, about 50' F) and had a b##ch of a time getting it start. Then remembered something I had read on another Evo post, ended up holding my finger over small hole in Evo's choke plate (Evo owners pay attention) and it primed right away, spit on the second spin, and started on the third. Plug that small hole on the choke plate!! Solder it, JB it, put your gum in it. It will make a world of difference in your attitude and your engine starting. Think I'm gonna like the little Evo. Vibration was extremely low for a rigid mount. Running an 18x6 Xoar for break in. I've also got an Evo 18x6 and a Zinger Pro 18x8 that I'll take RPM's on when the weather is better. (17' F tonight) Just gave me a warm fuzzy (can I say a chubby?) to hear that gasser purr.

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