Seagull extra 260 180 Motor/engine help?

[Frequent crasher]

Sure does! As for the brain, try building a racing quadcopter (I know, not your thing) but that makes any fixed wing look easy!

 

[Mytmerc83]

Frequent I can well imagine! I've canceled my electric set up, buddy of mine has a big yak 54, 80" wing span runs a 2 stroke in it, so going to look it over this weekend. I would run the evolution 33gx if I go gas.

 

[Frequent crasher]

so, you are going to run gas on the extra 260?

 

[Mytmerc83]

Not 100% yet but I might. I do like the sound of a gas on a plane. I like that 15min flight times and 2min refuel. Don't want to rush either way. Weigh the cost and reward both ways then go from there. I am going to pick up servos today and get them squared away.

 

[BobK]

If you haven't checked it out, check out Jokers rebuild of his big Cub..might give you some insight on running gas.

http://forum.flitetest.com/showthread.php?23412-Sig-1-4-Scale-Cub-Rescue-and-Re-Build&highlight=cub

 

[Mytmerc83]

Thanks Bob will do.

 

[BobK]

My opinion (which is of course only an opinion and easily influenced since it isn't my money or trouble)..if you are going to drop this much coin..go gas. I'm glad to see you take your time and think it through.

 

[Frequent crasher]

I'll second BobK! With gas, the plane with become something "more" not a lunch break flyer.

 

[Frequent crasher]

I got excited for a second thinking you might build a bad spad. ;-)

 

[Mytmerc83]

Really once I start pricing it out gas to start might be less off the bat.

 

[Mytmerc83]

Bought servos today, drooled over the evolution 33gx. That's next months allowance!! Lol!! Guy at lhs was calling me the knife edge king. Told him this plane will be a high up park flyer for quite some time! Well ok at less till second or third fly by, but have a while before that happens. I'll know for sure on Saturday which way I'm going. That's the deadline to request my April allowance from my wife lol!!

 

[Frequent crasher]

Lol

 

[Mytmerc83]

Went flying today with a buddy, he has a yak 54 81" wing and 50cc 2 stroke. It was cool!! Going gas on mine the smell the sound. Yup that's the way.

 

[Frequent crasher]

Sweet! Looking forward to seeing more of it.

 

[Mytmerc83]

Have installed the throttle servo, need to do set up but will wait for engine.
I have a question? I have a skyrc bec can I just use that to power my rx and a separate 2s for the ignition on the evolution engine? Or should I buy a castle creations stand alone step down regulator? The ignition is easy and I will be running separate batteries. Thanks

 

[roversgonemad]

I am pretty sure you can run the Evolution engines ignition with a regular 2S. Just be sure your BEC can handle the amps of your servo setup.

EDIT: you definitely want your ignition on a separate battery. Keeping the systems separate minimizes the chance of interference.

 

[Mytmerc83]

Just did a little checking and yup going to need to buy a different regulator, the bec I have now is only a max of 5 amps peek with 3 amp normal. 5 digital servos running hard will burn it up too many amps!! Will pick up the castle one it good to 20 amps and it only another $50. On the up side my wife saw the yak fly and gave the thumbs up, she like the gas. So get it passed her will be a little easier. Lol!! Thanks roversgonemad, some say running two batteries is a fail safe, don't know that I agree with that if the battery to ignition dies it's a dead stick landing maybe? If the battery to the rx dies, goes bad it game over. Matchsticks!!!

 

[roversgonemad]

A dead stick is manageable, as long as you have some altitude to recover when it dies.

Regarding the Rx battery, you just have to be religious about making sure it's in good health.... Last fall, I lost a Seagull Extra, .60 size, to a brown out that resulted from a weak rx pack. 5 digital servos pulled voltage down enough that it locked up. It was one of those instances where I said, "I've got enough juice for one more flight.....". Needless to say, I didn't. You could always go the belt and suspenders route and run something like a Scorpion Backup Guard. I am going to run one in my H9 Carbon Cub. It's only going to have a 15cc engine, but it's still going to be close to $1k of plane in the air.

I love big planes, but there's sure something to be said for cheapo foam planes, at least from a risk perspective.

 

[Mytmerc83]

That all I usally run is cheap foamies. This I think will be my one and only venture in big gas. I think? Yup lost my e flite extra 260 to somewhat of the same thing, had power then no power but still had motor, when I went to pick it up everything was working again. But was too late had already hit the ground.

 

[Mytmerc83]

Rudder and throttle servos installed, now for the elevator and ailerons. Then the engine. Should almost be able to fit the engine in the cowl, only holes should be exhaust.