sturtz...

I think the 14x4w is a little too much for the 72. My guess is it's trying to pull it but that's why you're getting your heat and bearing trouble. I may try the narrow prop though. Sounds good.

Thanks
Barry

raideron...

I'm not sure whether to be happy for you or not. As your weather cools and gets better for flying...mine ends.

The winters are long up here in thin air.

Thanks
Barry

mikeeast...

Did you sell your 140 sport? I might be interested.

Thanks
barry

ahhhh, thin air.[sm=idea.gif] That explains a LOT! j/k

Hey Mike... Yep... Thin and Dry...... Guess it is cooler.... But over 105.. Hot is Hot
But I would venture to saw our 100's is like Barrys 85's

Barry... 2-3 weeks and it'll be great for about 8 months...... Well there's about a
month or so that I'll need my coat and first in starts the fire 40degs... Man we are
Freezeing.........

Gonna fly my 46 on Friday. Haven't flown anything in a couple of weeks. Been pretty busy. But Fridays my day this week. Well...if the weather cooperates.

Thanks
Barry

Update on my CAP...

I've gotten going on this plane again. I've got the engine mounted, the wing and tail done. All the surfaces are sealed. The fuel tank is ready to mount, (had to cut a special mount) just need to glue it in. All servos are mounted except the throttle servo. Since this is my first gas plane I'm being pretty careful to make sure I'm a minimum of 12" away from everything, etc. I've got the engine mounted and the prop drilled and the spinner cut. Looks awfully big out there on the nose.

Anyways, I'm getting pretty close. Got to mount the throttle servo and mount/cut the cowl. Then I'll have to balance both ways. Then fly.

I'm really getting pretty close on this baby. Looks pretty cool too. I haven't had a plane take me so long to build. Not that the kit is hard, just haven't been able to get into the groove. But I'm back in it now.

Thanks
Barry

I just looked at my notes...I started building this plane on June 6, 2006. Wow. That's a long time. Mostly I put an ARF together in about 2 weeks. I've had so many questions, I've been busy, I'm anxious, I'm nervous about my first gas plane. I really don't have any excuses that are worthwhile. My new goal is to have the plane finished and the engine broken in and do my first flights on Labor day. We'll see.

Thanks
Barry

Barry, dont even give it a second thought. A larger gas model is a joy to fly,my first was just a few weeks ago, (Giles) and it was not any more challenging than a glow to maiden. In fact,I've had more trouble with some glows on the maiden. As far as 3-D goes,I'm out of my game for now with the Giles,at least the hovering part,harriers,walls & a few other things are working though.

You can do it Barry. Sounds like the big difference is the amount of $ involved.......

mixmaster...

So...do you like flying the gas planes better than glow? Sounds like they are easy to fly. I'm still nervous but I should be ok. Glow planes don't bother me at all. I've been doing my own maidens for some time now. But this one...

Thanks
BArry

rclement...

Thanks for the confidence. Sometimes it's hard to get those dollar signs out of your head though.

thanks
Barry

Hey Barry... Have fun on your maiden!! I think you will like it..
Before I got the S.T. I was looking at gas and an edge 540... But after adding all
up, thought it would be awhile before I made up the "glow" difference, and the
other was getting it to the field in my car..... Then also thinking... Ohh No... keep
her 12 mistakes high They are great flying birds....

Just regular flying like rolls,loops,point rolls,hammer heads, gassers like the Cap,Extra,Giles & so on are very easy & smooth compared to the "squirrly little glows". You will like the change up. Try some harriers with the Cap after you get used to it,I think you will be amazed. I was surprised that I didnt even feel the butterflies I normally experience on maidens, I didnt dwell too much on the money part,thats where too much "pucker" comes from. Besides, I have previously put up near the same amount on a glow plane. Once you have spent the $$,you have already consciously or sub-consciously made the risk assesment, so you might as well fly it and find out for yourself what its all about.

Barry, I've been building a 33% Cap ARF since May so your ahead of me I flew my first large gasser earlier this summer also. Some differences I noticed about the giant birds.
How solid they feel/fly compared to the small glow planes.
How long it takes for the giant planes to complete a maneuver, you actually have to hold the sticks allot longer and watch the maneuver to see when to let the sticks go back to center.
How easy it is to let the plane get really high or far away without noticing it. Because these planes are so big they get real high before they start to look small.
How fast they're flying, because they're so much bigger the giant planes don't look like they're going any faster until you get down low and then you realize just how fast your flying the plane.

The only thing I would caution you on is your speed on landing. Because a giant plane is bigger and heavier and because you've got that huge prop acting like a brake, they will loose allot of speed and altitude pretty fast when you cut the throttle.

That is one thing I noticed too. When you slow it down a bit too much on landing,the Giles comes down pretty quick. On the other hand,it can float back up too, my idle is a little high and sometimes it wants to go back up. Either way, its nothing I haven't experienced with glows. I always concentrate on keeping the nose slightly down to avoid stalls,everything else can be dealt with.

Hey Guys

Had a great maiden - what a puppy dog this Do is. For those wanting to "wire" the tail feathers, take a look at my solution. I borrowed the idea from the Funtana series. Just inserted/glued some carbon sticks from the fuse to the edge of the stab. It held together during some tight loops and pull outs. Time will tell if its a lasting cure.

Barry - I'm at 2700 ft. so I have half your altitude problem. The 14 x 4w worked well but I'm goin to try the 14 x 5n prop and see what happens.

Thanks to all who posted - your experiences help me put this one together.

Ted

This goes to all experts here.
I am in the way of purchasing a GP UCD 46 but i don't know what engine to use.
I am flying now a GP Super sportster with an OS 65 LA.
Great combo i must say.
Do you think that the 65LA would be a good choice or what?
Kostas

Thanks for all the encouragement. I'm sure I'll be fine with the big bird.

TedG...

Great idea on the tail. Congrats on the successful maiden. The UCD is an easy flying plane...when you want it to be. But it can be a lion when you want it to be also.

Thanks
Barry

Kostas1...

Welcome to the best forum on the Web. You'll love the UCD...but not with an LA65. Better spend the money now and get you a good engine. You'll wish you did if you don't. Saito 82 or Saito 100 seem to be the top choices. OS91 seems to be a nice choice also.

I'm assuming you have the 46 size?

Anyways, post any questions you like. You will get answers.

Thanks
Barry

I don't have but i will buy the 46 version.
You mean the OS 91FS surpass?
I am asking because i have never own any 4stroker.
Also,
with the OS will i have any nose-heavy issue?

Kostas1...

The OS 4 stroke will be a good choice. I think the Saitos make more power and are a bit lighter. With a Saito 82 balance is no problem. With the heavier engines you will probably have to move the battery in the back half of the fuse. Not hard, but a bit of work.

You'll be much more satisfied with a 4 stroke engine in this plane. Generally the 4 strokes are even a bit lighter, due mostly to the muffler.

The 4 strokes are not hard to use at all. You'll be pleasantly surprised how good they run. Especially inverted. Sometimes the 2 strokes have a problem inverted. The UCD requires the engine to be inverted.

Thanks
Barry

Hi again.
Sorry for asking so many things here but i want to know.
I have an OS 91FX laying arround.
Will the UCD 46 be a good home for it?
Kostas

The OS91FX would fly the plane pretty nice. The plane would be nose heavy but could problably be corrected by mounting the battery in the tail area of the fuse. I'd start with a 16x4W prop. That would probably be about right. You may have to go to taller landing gear or bigger tires to allow for the bigger prop.

It would have plenty of power for you though.

Thanks
Barry

Hi Guys. Can I ask a question a little off topic? I just purchased the new Twist 60. I am very impressed with the quality, improvements, and workmanship. It calls for a 60 size 2 stroke, but my LHS pointed out that the OS 91 weights the same as a 60. So I purchased the 91. Any thoughts what prop might be the one to go with. Thanks. Jim Tucker