What did you fly today?

[jackcutrone]

Excellent OV10! excellent! I will requisition a set of those asap.

Jet formation flight today.

Here are some still shots from today's adventures. Temperature low 40sF, wind about 360@5. Cold as you know what

Awesome

[rogerb]

I have a new RocHobby Nemesis and I can't get the CG right. With a 4S 2700 all the way forward against the firewall, it is still at least 5mm tail heavy (50mm from the front of the wing). Even with a 4S 3300 all the way forward, it is almost the same. It requires some down trim to fly, but on take off, it noses over without the immediate application of some up elevator immediately. Any ideas?

[Sky Wolf]

I have a new RocHobby Nemesis and I can't get the CG right. With a 4S 2700 all the way forward against the firewall, it is still at least 5mm tail heavy (50mm from the front of the wing). Even with a 4S 3300 all the way forward, it is almost the same. It requires some down trim to fly, but on take off, it noses over without the immediate application of some up elevator immediately. Any ideas?

That’s a strange case. Upon takeoff it’s nose heavy and noses over, but in flight it’s tail heavy?

I would check a few things:

1. Is elevator trim in the correct spot? Check the manual for correct mm spot.
2. This is a dumb one, but we’ve all done it most likely. Make sure up is “up”, and down is “down” on your transmitter.
3. If it’s nosing over on takeoff then the battery placement may be too far forward.
4. And if it’s tail heavy in flight then there may a combination of the above mentioned areas of concern. Including the battery being too far back p, along with incorrect trim.

It sounds like a couple of things may be happening in sync. Not sure if you’re a nube or experienced pilot, but if there’s someone else around who you can use as a second set of eyes then have them look at it too.

Good luck and let us know how it turns out.

[RCjetdude]

I have seen another one of these planes do the same exact thing. The pilot could hardly get it off the ground because it kept nosing over. Make sure your landing gear are not bent back as well. If the gear are positioned close to the CG even a slight change can make a difference. Are you flying off of grass? If so, initially getting it moving can be a challenge.

[fhhuber]

Run through the definitive in flight CG/trim tests.

http://www.wtp.net/DBEST/trimchrt.html

You have to do the tests and corrections IN ORDER because if step 1 is wrong all following steps that depend upon that setting being correct will be wrong.
Exception is the control throw settings are based on the needs for RC Pattern Aerobatics competition and may not be the correct rates to fly your style.

[Oxotnik]

I have seen another one of these planes do the same exact thing. The pilot could hardly get it off the ground because it kept nosing over. Make sure your landing gear are not bent back as well. If the gear are positioned close to the CG even a slight change can make a difference. Are you flying off of grass? If so, initially getting it moving can be a challenge.

I'll add to also check the toe of the gear. If the wheels are not straight, then it's like having the brakes on, and the pull of the prop will drive the nose down.

[jackcutrone]

Run through the definitive in flight CG/trim tests.

http://www.wtp.net/DBEST/trimchrt.html

You have to do the tests and corrections IN ORDER because if step 1 is wrong all following steps that depend upon that setting being correct will be wrong.
Exception is the control throw settings are based on the needs for RC Pattern Aerobatics competition and may not be the correct rates to fly your style.

Good resource - some of those I had never heard of before. Thanks.

[Mad Baron]

Too darn cold here to enjoy the flying.:Angry:

[RCjetdude]

Our club is having a traditional New Year's day fun fly tomorrow. High of 24 forecast. I dunno about fun, numb maybe.... reminds me of the Polar Bear club. Take your pick, jump in a lake or fly RC planes in the dead of Winter...not sure I would call it fun. :Silly:

[OV10]

I'm ABSOLUTELY SURE it's not fun.
Chatted with TJ yesterday and we both are going to forego this areas New Years Day fun fly because it is only gonna be 10.
May be old but not stupid. LOL

[Grossman56]

LOL:)LOL:):saywha

Grossman56

[S.W.Warbirds]

Yep ass biting cold here :Devil: high mid 20's and lows of 4 :Angry:

[Grossman56]

minus 8 and dropping here!

Grossman56

[F106DeltaDart]

I share your pain.. it's -12 here in MN. Too cold to even take the full scale out :Silly:.

[OV10]

I share your pain.. it's -12 here in MN. Too cold to even take the full scale out :Silly:.

Yeah........nothing like a carb ice over:Scared:.......... NOT

[farmflyer]

It's a balmy 15 here going down to 8 later today.

[F106DeltaDart]

Yeah........nothing like a carb ice over:Scared:.......... NOT

Luckily the Enstrom is fuel injected, so we're good there, but the plexiglass bubble becomes brittle at these kind of temps. Don't want to risk any cracking :saywha

[jackcutrone]

Club is having its annual New Year's Day event but I am going to miss it for the first time. Supposed to be high of 4 with wind chill of -28. Think I will sit by the fire instead.

Jack

[Grossman56]

Good call Jack, I'm alternating between the basement/hangar and the PC

Grossman56

[TiredIronGRB]

Day 527: Flew the F-105 in 10mph wind and 22 degrees, we have our New Year's Day Fly-In tomorrow and it's supposed to be 9 degrees.