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Ron Brice is the owner of the original Lancair that you posted a picture of. I got a gazilion photos of that plane to use to repaint my second Great Planes Lancair. I call it the "Patriot" paint scheme. Here is a photo of my Great Planes Lancair. It looks great and flies really great. I hope the Lancair 360 from CMPro flies as good.

I hope it fly's good too.

Like others that have posted, this CMPro has a lot of nice detail, and the quality is surprisingly good! The only down side I see so far is that the instructions. If you have never assembled an ARF, this would not be a good place to start. Otherwise, it looks like a simple build.

I've seen only a few photos of the Brice "Patriot" Lancair. If you have some photos of the landing gear and underbelly that would be helpful. I think it will take some work but retracts will fit on this plane. I'll probably fly it with the factory gear first once it gets bent up I'll switch over.

Your GP Lancair looks sweet. Best of luck with it.

IFLY - the GP and the CMP fly different ... the GP is larger and a relatively more steady. I enjoyed flying both planes. But I still find that the CMP flies well enough, no complaints.

I assumed the CMP would be a little more "tight" on the controls than the Great Planes model just due to the size difference. Thanks for the info. I'll post some pictures of the underside of the Brice Lancair tonite.

I have a few big 120 size planes and bunch of 40 / 50 size planes. I would agree that the smaller planes are tight. However, most of my smaller planes are warbirds. Over powered, oversize fuel tanks, nose heavy and, with retracts they end up on the heavy side. Small, fast and, extremely responsive.

The CMP looks like it will not be disappointing. It's no warbird but it has plenty of aileron so the roll rate looks good. Because of the relatively short fuselage, I think the elevator will be tender ... very small control throws. Wing has enough dihedral to keep the plane stable and the wing tips can only help. All in all I think this plane will do good in the air.

Started assembly last night after work. It's going together nicely. Can't wait to get home this afternoon to do more!

With the CMP Lancair you want to put in something like the 50AX with a 11x7 prop ... say Pylon Racing!!!

Sorry. Only four stroke engines go in my planes. Nothing personal, I don't own any and I just don't like the sound of two stroke engines. I'm going with a Saito and a 3 blade prop. My goal is to get as scale as possible. I know it is an inexpensive ARF but it's well built and easily lends it's self to being made more scale. It turns out that the little details end up having the most effect. I'm going to try to weld up a scale looking exhaust. Once I get to the point of "Non Factory" build I will document and post my progress.

I've never tried pylon racing ... Sounds Fun!

Ross - Are you going with the 56 or 72/82? Should be a beauty with a 3 bladed prop.

Here are a few photos I have on my laptop. I have more on my Desktop computer and will upload them when I get back home next week. Hope this helps.

Here are two more photos from my Great Planes repaint project. As you can see from these and the previous pictures, the CMP is not a copy of this paint scheme - only a facimile. My Great planes lancair is also not a copy because it is not a 360 model. I just ried to get the scheme as close as posible because, at the time, there were no other "Patriot" paint schemes being used and my plane WAS a one-of-a-kind. Now many manufacturers are using this scheme. That's why I bought the CMP Lancair.

Ross, if you decide to install retracts, please let me know.

Wow!!! Thanks for sharing the photos. You do some fine paint work.

My Lancair is just about ready to fly. For now it has the factory landing gear installed. Once the gear fails it will get retracts. I have a feeling that it will be sooner than later because of the grass runway at my field

I'm running an inverted Saito 82, burning 30% nitro and is spinning a Master Airscrew 12/6. This combo worked extremely well on my 50 size Model Tech P-51. I've found that the 30% keeps the engine from flaming out inverted and the high oil content keeps it running cool. It's on an aluminum mount that acts as a heat sink.

All that needs to be done is set the CG. I'm shooting for 72 mm with the belly up and the nose 10 to 15 degrees down. I don't want to be too nose heavy but the plane will still fly. A tail heavy plane is hard to fix when all you have left is balsa confetti.

I'll maiden in the morning and will get some photos posted soon after.

Here are some photos of my Lancair build with Saito 82 and MA 12-6. The Tru Turn spinner is a little on the small side but I had it so I used it. The plane is all stock at this point but after a few flights it will go back on the bench for some modifications. The CG looks nose heavy and will be dialed in today.

Which fultz did you use?

Hi Folks,

I am just at the stage of installing the engine on my CMPro Lancair. Was going to install an inverted .70 4-stroke (for quieter and more realistic sound), but decided that the cam shafts and rocked cover were toooo exposed due to the overall height of the engine! Tried positioning for sideways but the engine mounts fouled the steering mounts and the top of the cowl.

So back to the original idea of a .46 ASP 2-stroke, mounted sideways as per the 'instruction' sheet.

Now to my question - the diagram for engine mounting seems to me to be unclear re the usual right and down thrust requirements. As I interpret the diagram there seems to be just a small amount of right thrust - maybe 1 deg - and no down thrust. Can anybody please advise re correct amount of right and down thrust required?


Thanks,
Bill

P.S. I have posted this same problem on an RC Groups thread also

Think the instructions call for 2 down and 2 right...

Thanks, Vic.
I must be going blind in my old age!! I re-examined the instructions and have now found the elusive diagram, which somebody must have inserted when my back was turned?

Thanks again,
Bill

I put my Lancair up for a maiden flight on Easter Sunday. Almost didn't because of the wind. The direction was not consistent and would gust more than I felt comfortable to maiden a plane in. I flew my 120 size Wild Stik for a while hoping that the wind would at least settle in to a steady direction... but no luck. I wanted to fly the Lancair in a bad way and with my brother egging me on I ended up taxiing around and a few times and couldn't help myself. I hammered the throttle and up it went. Man ... what a little rocket this plane is. I flew it around the circuit a few times and tried to trim it in some but couldn't find a smooth piece of sky. It would get knocked around a little in a gust but not as much as I would have expected. I ended up getting caught in a cross wind puff on landing. It rolled the plane over and down it went. The only damage was a broken prop and some pride. Because it landed on it's nose it did not harm the landing gear. My overall impression is that this plane is a well built ARF that will be fun to fly.

I'm heading out to the field today after work. I'll try to get some photos or vids.

I put my Lancair up for the maiden flight this week end. On a previous trip to the field, I performed a few high speed taxi runs to see how it handled the rough grass filed with the stock nose wheel and wheel pant. I subsequently removed the stock nose wheel and install the Fultz double strut nose wheel that has become popular with this model.

I brought my big Lancair and attempted to fly it first but I had on-board glow problems and could not fly it. That forced me to do the maiden with the CMPro 360. I made a few high speed taxi runs and found the plane bounced quite a bit through the rough grass but once at take off speed, she ran pretty smooth. With the news letter editor as my co-pilot, I lined up at the far end of the field and advanced to full throttle. As she passed me on the runway, she appeared to have sufficient ground speed as the nose wheel was starting to rise slightly (getting light). I eased in a little elevator and she smoothly took to the air with grace. I let her gain some altitude and speed and then made my turn to start making some simple tracks around the circuit. I had to add quite a bit of down trim on the elevator to get level flight at full throttle. Then I eased back to about half throttle and the tip stalls began.

I have to go to work now, but to make a long story short, I think the cg shifted too far to the rear as a result of removing the nose wheel wheel pant. She was very twitchy at low speeds and I had to fight off tip stalls all the way to the ground when I landed. I got her down with no problem/damage but at about four feet before touch down (at pretty good speed) she tried to drop a wing. I recover and put her down with a light bounce and long roll out.

I will check the cg and move it forward before my next flight.

My Lancair is no longer with us. It would not / did not handle well in slow turns. It did however roll over real well ... big tip stall issues on this one. Three times it has done it and three times it has been repaired. The Saito 82 was pulled and replaces with an O.S. 50 2 stroke. No difference. It just took longer to get off the ground.

It's too bad that it turned out to be bad at slower speeds. If you can't bring it in with out it tip stalling ... what good is it? The plane looked nice and was a great size for a fun fly... always gets to go to the field ... type plane.

Ross, sorry to heart about your crash. I hope to get better results on my next flight. I don't think this plane will be one of my favorites because of the tip stall problems during slow flight. I am not one to hammer the throttle and fly full throttle for every flight. If any of you who have flown this plane have any suggestions for improving the tip stall issues, PLEASE post some replies. The plane is just too good looking to fly so bad....

I am sure my electric version is heavier than any nitro version, and I don't have any problems with it. I did at first until I moved the CG forward a considerable amount. It is hard to compare my CG numbers with a nitro plane but sufice to say you need to move it up if you are having tip stall problems. I must mention that I land on a smooth runway, and bring the plane in fairly fast. Even though I am happy with miine, I have to admit that it cannot slow down too much or the risk of a stall is always there. If you are used to sport planes and hanger 9 warbirds you will have trouble. If you fly heavier warbirds, you will be more familiar with the way you have to fly it.

Thanks for the support. It is appreciated. My Lancair is not going to fly any more. It would be irresponsible and unsafe to fly knowing that it will roll over. My 4 year old son will be disappointed. He watched it whack the ground once. He thought it was funny. But I'm not willing to risk his or any other persons safety.

My GP Stearman is ready to go and I have been challenged to another 50 size P-51 duel. I'm also looking forward to getting my Sopwith Camel out more now that the weather is nice.

Best wishes to all.

Ross3951

I just finished my lancair, and i realized that I set it all up without any down or right thrust. If I fly it straight on, how is that going to affect it? I'd rather not have to redo the engine mounting. Also, the cowl cuts would then be off I think.

I would give it a try. You can always make the change later if you find it is needed. I don't think you'll notice a problem, I lined my thrust line up with the cowl and have no problems with the way it tracks. Make sure you get the CG forward enough and keep the speed up on landing until you get the hang of the plane.