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RE: Mini Titan thread - 4/11/2008 1:22:55 PM   
redvtr1000


 

Posts: 651
Joined: 6/29/2007
From: covington, GA, USA
Status: offline 		Dave,

It's a good plan and exactly how I started. I ended up getting an R50 Titan so that I could go to the club field and just fly. It's alot easier on the weekends to just fuel it up rather than wait on batteries. Somehow in that time I managed to pick up a couple foamies and a real nice PA katana md, two LMH nitro helis (use em for training and heli combat!). I love the helis but enjoy flying just about anything around the sky so those models fit the bill nicely.

I'd love to pick up a mid sized electric heli, I'm kinda put off by the price of lipos in that size range so I had to go with the raptor. All in all though, with the price of fuel it probably works out about the same. The Gaui Hurricane 550 is very reasonably priced, on the top of my list if I pick up another heli I suppose.

Once you get the hover basics, and actually fly in windy conditions a time or two, you should find that the Mini titan can handle it pretty good. I've flown in some rather windy conditions and while it will get buffeted around a bit it isn't so bad for just cruising around. Can get a little hairy coming in for landings but I counter that by just getting the thing on the ground, dumping in some negative pitch and then cutting the power. If you are doing a lot of 3d stuff in the wind it is worse, turning the blade disk perpendicular to the wind gives a lot of surface area to get blown around by.


(in reply to RC David)
       Post #: 326

RE: Mini Titan thread - 4/17/2008 2:56:43 AM   
GRR_Mojo


 

Posts: 24
Joined: 12/26/2006
From: douglas, GA, USA
Status: offline 		Just hovered my MT for the first time today. I'v been hopping a couple of days when I had the chance and getting my tail servo set. Today lifted off and held it till my timmer went off(6min.) Batt. was starting to run out(ace 2200mah) headspeed was dropping, and at the end it seemed easier to hold. I'm runnin 13T on the obl29/35 with CC 35a.
Was this just me or should I drop to an 11T pinion.

(in reply to redvtr1000)
       Post #: 327

RE: Mini Titan thread - 4/17/2008 3:12:08 AM   
redvtr1000


 

Posts: 651
Joined: 6/29/2007
From: covington, GA, USA
Status: offline 		Mojo,

if you are noticing a drop in headspeed while running a lipo, I would tend to be a little concerned that you may be pushing that pack a bit more than you should. The way lipo chemistry is, within the standard operating range for voltage, I don't think you should be noticing a real drop in headspeed before you hit the cutoff feature in your esc.

I'm figuring that you must be using a 3s because with a stock motor and 2s on 12t i'd be surprised if it flew. I don't think you want to drop the pinion, a more suitable answer would probably be to have a look at your throttle and pitch curves.

Did you use the figures in the mt manual for your radio programming? I did from the get go and after really getting some experience and trying what a friend had programmed for his trex, I am much happier. I could give you the figures I have in my radio if you would like to try them.

If anything, on that stock setup, I found that increasing the headspeed helped it to feel more stable. If you are like me when I just started (or like most people I see who try their hands at anything that flies r/c) your stick movements might be a touch on the large side. Some expo dialed in to soften the response around center might help. I went with 40 % and it might seem a bit high but I fly with my thumbs as opposed to pinching so it makes it much easier for me.

Stock mt with stock wood blades is a power hog. Ditch those woodies after your first tipover in exchange for a set of align blades. I would suggest the cheap align carbons or fiberglass blades, about 14 bucks a set for your choice and they are more durable in a crash than the woodies. Woodies are good too (aligns) but I never crashed one of those sets and had them survive, the black cheezy carbons I had survived a few nasty crashes unbelievably. Thinner profile, less drag, more flight time. You will also need the blade grip spacers to run them.

(in reply to GRR_Mojo)
       Post #: 328

RE: Mini Titan thread - 4/19/2008 7:10:32 AM   
GRR_Mojo


 

Posts: 24
Joined: 12/26/2006
From: douglas, GA, USA
Status: offline 		I was sooo excited about hovering I didn't even think about the cut off,I will have to got through the esc setup again and make sure the cut off is set right.
I set my throttle up per Finless video(0,50,80,90,100), if your settings are different I would like to try them.
I started with 25% expo on aile & elev and 15% on rudd, today I took 5% off aile& elev.
Ordered a set of Align blades and spacers from heli direct.

I have the TG-6100M that came with the ARF plus on gear/gear any suggestion on where to start with the ATV, should I set the pot to 100?

< Message edited by GRR_Mojo -- 4/19/2008 7:17:54 AM >

(in reply to redvtr1000)
       Post #: 329

RE: Mini Titan thread - 4/19/2008 8:52:30 PM   
GRR_Mojo


 

Posts: 24
Joined: 12/26/2006
From: douglas, GA, USA
Status: offline 		Checked my BEC setup and its not actually the batt going flat ,its the soft shut off.
checked batt with multi-meter, batt read 10.14V.

Ran my ATV on Gear down to +52, this seems close(pot set to 40).

Now I'm just waiting for my batteries to charge.

(in reply to GRR_Mojo)
       Post #: 330

RE: Mini Titan thread - 4/22/2008 4:52:35 PM   
redvtr1000


 

Posts: 651
Joined: 6/29/2007
From: covington, GA, USA
Status: offline 		glad you got that figured out.

I don't know much about that gyro...what are the pots that you are adjusting?

When you get to itching for more batteries, check out the air thunders or kong powers. Good packs for the price and the manufacturer states they are capable of higher charge rates. I'll charge my airthunders at 2c and be done in about 30 minutes. They specifiy up to 3c which is even faster but I haven't pushed them that hard but once or twice.

(in reply to GRR_Mojo)
       Post #: 331

RE: Mini Titan thread - 4/22/2008 9:55:44 PM   
patatchim


 

Posts: 27
Joined: 6/5/2006
From: BRagaBraga, PORTUGAL
Status: offline 		@GRR_Mojo :

I think that the most important times to monitor a battery is when spooling up the blades, and pitch changes. It´s in that time of flight that you can monitor your voltage and see if your battery can take that huge load current.
Also important is watching how well is the cut off working in your esc, normal advised cut off is 3v per cell.

After the flight, voltage readouts maybe quite wrong thing to see, since without load your battery will show a different voltage value than when in load.

(in reply to redvtr1000)
       Post #: 332

RE: Mini Titan thread - 5/1/2008 11:38:26 AM   
xargxar


 

Posts: 170
Joined: 12/6/2006
From: Lisbon, PORTUGAL
Status: offline 		I just had the worst mid-air boom strike I've ever seen. I decided to try my first loop at 45 feet or so when it just blew up. First half of the loop was fine... it seemed that the boom strike happened when i gave it full negative pitch. Has anybody seen this before on the MT? How can I prevent this in the future?

_____________________________

At the rate I'm crashing, I'll be an expert soon.

(in reply to patatchim)
       Post #: 333

RE: Mini Titan thread - 5/1/2008 5:05:00 PM   
smarks



Posts: 198
Joined: 10/17/2005
From: Castle Rock, CO, USA
Status: offline 		How much negative pitch did you have setup?

(in reply to xargxar)
       Post #: 334

RE: Mini Titan thread - 5/1/2008 6:31:35 PM   
xargxar


 

Posts: 170
Joined: 12/6/2006
From: Lisbon, PORTUGAL
Status: offline 		It was a bit high... -14.

_____________________________

At the rate I'm crashing, I'll be an expert soon.

(in reply to smarks)
       Post #: 335

RE: Mini Titan thread - 5/2/2008 1:41:07 AM   
osterizer


 

Posts: 1347
Joined: 3/10/2007
From: Sykesville, MD, USA
Status: offline 		That's not too high if you have the head speed high enough to keep them from coning into the boom.... Mine is at +/- 12 but also running 3200 RPM with a metal head so it stays pretty flat.

(in reply to xargxar)
       Post #: 336

RE: Mini Titan thread - 5/2/2008 4:23:56 AM   
RC David


 

Posts: 197
Joined: 11/11/2007
From: Chicago, IL, USA
Status: offline 		FIRST OUTDOOR FLIGHT

Well guys, after learning to fly my MT (first heli other than blade CX-2) indoors for about 12 weeks I finally tried to fly her outside today. It was a "HANDFUL". I went down into this retention pond about the size of 3 football fields and 40+ feet deep. It's a little less windy down there. I had my new Kestral wind guage and in the pit the wind was about 5-8 mph continuous with almost constant gusting to 12 mph. That might be calm for you pro's but not for someone who never flew outside before.

I flew 3 packs almost back to back.

I pretty much kept her in front of me facing away, into the wind. I must say, I did not enjoy flying in that wind. I know there will be calmer days but it was a little discouraging. I've been contemplating a 2nd heli and have now decided to go bigger. I like the Thunder Tiger E550 Raptor but it requires larger, more expensive 6s packs so I've decided on a GAUI Hurricane 550 which will run on 2 3s packs.

I can't decide on getting the CF frame/plastic head or plastic frame metal head (GAUI does not offer a CF/metal head version).

Any input from you heli pros would be GREATLY appreciated.


Dave D.

(in reply to osterizer)
       Post #: 337

RE: Mini Titan thread - 5/2/2008 4:39:00 AM   
osterizer


 

Posts: 1347
Joined: 3/10/2007
From: Sykesville, MD, USA
Status: offline 		Ha, not a pro, but I will mention, that it gets easier. If it was running 5-12 mph inside a hollow, though, I expect it was a bit higher in the open air, and you were probably experiencing a lot of random currents. It seems like the wind is less in shelter, but you get eddies and rotors as the wind spills over the edges that will make it a lot harder to fly. I'd give it a shot in an open area (hopefully with less wind). There's no doubt a larger heli will treat better with the wind, but a larger open area without the messed up airflow is a lot easier even with a smaller one.

[edit] But... now I notice where you live, maybe less wind is only a hope. [/edit]


quote:

ORIGINAL: RC David

FIRST OUTDOOR FLIGHT

Well guys, after learning to fly my MT (first heli other than blade CX-2) indoors for about 12 weeks I finally tried to fly her outside today. It was a "HANDFUL". I went down into this retention pond about the size of 3 football fields and 40+ feet deep. It's a little less windy down there. I had my new Kestral wind guage and in the pit the wind was about 5-8 mph continuous with almost constant gusting to 12 mph. That might be calm for you pro's but not for someone who never flew outside before.

I flew 3 packs almost back to back.

I pretty much kept her in front of me facing away, into the wind. I must say, I did not enjoy flying in that wind. I know there will be calmer days but it was a little discouraging. I've been contemplating a 2nd heli and have now decided to go bigger. I like the Thunder Tiger E550 Raptor but it requires larger, more expensive 6s packs so I've decided on a GAUI Hurricane 550 which will run on 2 3s packs.

I can't decide on getting the CF frame/plastic head or plastic frame metal head (GAUI does not offer a CF/metal head version).

Any input from you heli pros would be GREATLY appreciated.


Dave D.



< Message edited by osterizer -- 5/2/2008 4:40:34 AM >

(in reply to RC David)
       Post #: 338

RE: Mini Titan thread - 5/2/2008 11:51:47 AM