Str8out

I've been looking for a 1/2a with some good 3d snot!

Knowing that ample power, good design and light weight make great 3d performance. I've decided to introduce my little extra to a Thunder Tiger GP-25. In th past I've tried using a great small scale design, the Brio 10 with a Webra 36 speed. The plane was balanced out exactly the way I liked it on it's maiden voyage. This plane was everything I wanted right after it's very first takeoff, with a roll rate from hell! I was only in the air 3min when it's electric built body just flew apart. NOW, I think I'll have a nitro powered 1/2 a sized airplane combo that I can really ring out?

combatpigg

My Feedback: (3)

For 1/2A 3D to even be remotely similar to real 3D, the plane has to weigh less than 13 ozs, RTF.

TCrafty

Anybody tried one of these with an OS .10LA? I've got one just sitting around and I was thinking of putting it in either one of these, a little Rascal or one of a dozen other planes.

NorfolkSouthern

I'm working on one now, TCrafty. It'll be a couple months before I'm done, though, as I still need to save up for the radio and accessories.

NorfolkSouthern

rrragmanliam

My Feedback: (1)

Sounds like a great combo, it's a long way from 1/2A though. I still think one of the best try's for close to 1/2A 3D was Jeremy Chins Halfwit and Edgeling planes with Norvel .074 engines on them.

Darren

Rv7garage

My Feedback: (10)

My buddy and I both have the Little Extra; he has the Norvel .074 and I have the O.S. 15LA. His has almost the same performance that mine has, and is much lighter. If I had to do it again, I'd go with the Norvel.

RocketRob

My Feedback: (1)

Or use a norvel .15 and get the power of a 15 with the light weight......

N1EDM

My Feedback: (2)

The Norvel .074 isn't available any more, from what I gather. I'm starting on one using a OS-10LA and hope to have it finished by next weekend.

Has anyone flown this with the .10, and if so, what prop & fuel are you using?

Bob

TCrafty

Yeah! What N1 said!

I'm thinking of one myself and I'm real curious how they fly with a .10. I'm throwing around between a Lil' Extra or a Lil' Rascal. The .10 is lighter than the .15 and from what I can gather, about the same power as the .074 Norvell.

ptulmer

My Feedback: (5)

If we're talking OS LA .10's and .15's, there's not enough weight difference to ever make me want the .10. While you might not need the extra 50% more power, there is a throttle that makes the .15 more useful for a wider variety of airframes. After all, the Lil Extra does have an expiration date, they just don't print it on the outside. If we're talking about out-of-production engines, the Norvel .074 would likely be the best match or maybe a TD .09 with a throttle sleeve. Light weight with an appropriate level of power.

Hopefully, somewhere in China, they're reverse-engineering the Norvel .074 right now...

TCrafty

If I had it to do all over again, I'd probably get the .15 but, I've already got the .10LA. I'll brew it over a little more. my dad is finishing up a Pitts right now for me 1/3 scale so I have time. Thanks!

flyinrog

My Feedback: (1)

Something aint right...either he's got a heck of an .074 or you have a really crappy .15, no way they should be close ..my .074 wouldnt even keep mine in the air..the .10.. I have one but dont know its power as its in a box...my magnum .15 would send my extra vertical til tomorrow....Rog

happypappy

My Feedback: (10)

Will let ya know this weekend......mine is done and ready for the first flight. Have an OS .15 CV-A on the front.

combatpigg

My Feedback: (3)

HP, good luck and have a ball! You can't do much better for an all purpose .15 than the CVA. This plane could end up weighing almost 2 pounds and it will take a CVA with a 8x3 prop to pull it with unlimited verticle [or at least until you can't see it anymore].

ROG, must be that flycfii is comparing the planes when the .15 running isn't above 75% power?

Patrick, the .10 VS .15 controversy is one of the great mysteries of life. Lots of funny analogies are possible here. I would love to know what the sales figures are at OS per engine size.

N1EDM

My Feedback: (2)

I had a .15LA for my Little Extra but had second thoughts, and returned it for the .10. I agree that the .15 has more power, but the Herr Little Extra is actually a Fun-Fly airplane not a 3D, at least it is for what I'm going to use it for.

For me, the .15 would be a waste and add complications of a larger tank, balance, etc. I'm not interested in 3D for that plane, as I already have a H9 Twist 40 to handle that responsibility.

Not trying to talk you into or out of either engine, just tossing out a point of view.

Bob

chevy43

Bob doesn't the .10 and the .15 basically weigh the same? I don't really see the point of a .10. You can just adjust your throttle and have more when you want it for the same weight.

combatpigg

My Feedback: (3)

Chevy, I think the .10 puts out 2/3s the power of a .15 and weighs about 2/3s as much as the .15, it is also 2/3s as big. I think your point though is right, the extra weight is negligible on a 2 pound plane and you always do have the option with the .15 to use the throttle lever. A .15 can be used on so many more planes with better results and since it will power a model with less effort than a .10, should allow it to last longer. Of course the last argument is subject to much debate

chevy43

I think part of the debate is that Tower etc doesn't give you the weights with the mufler on the .10 so it is hard to tell what the .10 weighs with the muffler.

I hate that business of weighing without the mufller. Who's going to run it without the muffler - especially an LA.

Rv7garage

My Feedback: (10)

I think I have a really crappy .15

happypappy

My Feedback: (10)

You must!! ...... As promised I flew mine for the first time today with the OS .15 CV-A and the performance was great. I think the .15 is the way to go in as much as I was thinking as I flew it that anything less would give somewhat lack luster performance! Flew mine with an 8x4 prop and it was great. Most of the flying was around 2/3 - 3/4 throttle and when I wanted vertical I nailed it and it would go out of sight if I wanted it to! Mine balanced using a 4 oz. tank with only a 1/4 oz. added to the tail. I added an extension to the exhaust to clear the fuselage otherwise I believe it would have balanced on the money

chevy43

happypappy, What was your AUW? Where did you put your reciever battery? HS55's or what?

Thanks,
Treven.

happypappy

My Feedback: (10)

I am running a AAA sized 750Mah pack located just in front of the servos. My reciever is on top of the battery. I am running HS 65s in the wing and for the throttle and an 81 and 85 on the tail surfaces. I put a little CF tube over the exposed control rod for the tail surfaces and used 2-56 rod for the ailerons. I tried an 8x6 then an 8x5 and settled on the 8x4 prop. The engine seems to pull that prop pretty well and the speed is still good with that pitch. I had some 20% fuel around and also tried some 30% heli fuel in it and it ran really well on the 30% and did just fine on the 20% as well. I dont have a scale but am betting it is in the 2Lb range. Still floats in very well and slow flight is a breeze.

TCrafty

N1EDM

Any flight report with that .10LA!??? I'm thinking the same set up and just wondering if you had a chance to try it out yet. By the way, ar you guys flying off of asphalt or low grass? We've got a grass field. Just wondering how it goes with the smaller Somthin Extra's wheels. I'm still throwing around between this plane or the small Rascal ARF.

happypappy

My Feedback: (10)

I fly off grass. Definitely have to keep thrust on the elevator going and coming!

N1EDM

My Feedback: (2)

Hi guys,
Had some email problems so haven't kept up with the thread - I finally got things fixed...

To answer your question, yes the .10 weighs a few oz less than the .15, which to my mind might be significant.

Another point is that the Herr Extra (or the original Somethin' Extra, for that matter) is not a 3D airplane, it's a Fun-Fly airplane, so I'm not that interested in hovering or unlimited verticals.

I've also been traveling for a couple of weeks and just got back. I now have time to finish the plane. I just have to install the ailerons and wing servos, then put in the engine (had to get an extension for the muffler) so it should be ready to fly next weekend (weather permitting).

Bob