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Modefo's RC Helicopters . XHELI.COM . Autography FlightPower

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e-Gaui Hurricane 200 & 550 - EP100 > Hurricane 550 - Anyone else have one?
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

LcyRace

Where do you get your parts from? Where's a good website to find information on tuning and hotroding this machine?

It seems it's only available from Asia. Do we have to pay c os- tu m du -t ies to order outside our country?
02-06-2007 Over year old.
 
 
ammo
Senior Heliman
Location: Singapore

I will soon have it on my website as well. Finding time to load up all the parts.
You can PM me with your order list for the time being, i'll get back to you asap with the prices.
02-07-2007 Over year old.
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

How to calculate head speed on this heli? I could see that it's geared down twice....
02-07-2007 Over year old.
 
 
LcyRace
Heliman
Location: Allen, TX

Final gear ratio is 8.99 to 1 with the 15t pinion. They have the calculation in the manual. Its online somewhere. There is an error though. The 99 is actually 19. There is no 99t gear on this chopper. Pinion is 14,15, or 16. 2nd gear is 42. 3rd gear is 19. Main gear is 66. So you have 15/42 and 19/66.

When in doubt, gas it!
02-09-2007 Over year old.
HOMEPAGE  
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

LcyRace

Just a little bit confuse now. I was taking a looking at Infinity Hobby's website in the parts list. And it's only showing 42T on the front gear and 61T on the main gear. Where exactly did you order yours.?
02-09-2007 Over year old.
 
 
Hunter850
Heliman
Location: Dartmouth, Nova Scotia Canada

I think he hit a typo. My kit from infinity has the 42 teeth and 61 teeth gears. These are also in the upgrade package as well.
02-09-2007 Over year old.
 
 
LcyRace
Heliman
Location: Allen, TX

Oops, main gear is 61t....

When in doubt, gas it!
02-10-2007 Over year old.
HOMEPAGE  
 
 
LcyRace
Heliman
Location: Allen, TX

I think I found the right setup. Trex BL600L 1620kv motor with 14/61 front gearing. With that gearing and motor this thing rocks. Not sure how long the batts will last but here's what the Eagle Tree logger says:

This is with 1900hs at 100% throttle and 10 degrees of pitch and
Mikado 500mm carbons. 2x 11.1v 2100mah. Flying weight is 4lbs 10ozs.

max amps: 49.09
max watts: 898
low voltage: 17.92v

The headspeed actually increases at full pitch and throttle so there is plenty of reserve. I can cut back on the throttle a bit over the next few flights to steady the headspeed. I'll post again when I have an accurate measurement of flight times...

When in doubt, gas it!
02-13-2007 Over year old.
HOMEPAGE  
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

Quote 
max amps: 49.09
max watts: 898
low voltage: 17.92v

LcyRace

There's seems a bad indication read by your data logger. The battery voltage is dropping 2.9v/cell (17.92 divide by 6, 2.9866). Is this average voltage? That's a sign that the current discharge is greater than the battery is rated for. Also the amps, if your batteries rated 20C 2200mah, that's 44A continuous. Is this also average? Watts is nothing but voltage multiplied by current.

There suppose to be about 3.3v continuous voltage under load. I have no idea what the continuous discharge rate of your battery packs is, but sometimes lowering the throtle curve actually increases current draw, it's better to get lower numbered pinion.

If what you said is right that you actually have 1900rpm at full pitch full throttle, if that is within the maximum headspeed limitation of this heli, keep the full throtle at 100%. So you said HS increases at full throtle, I will assume your midstick throtle percentage is lower than your full throtle. Rather increase the midstick throtle % so the HS midstick will be closer to HS at full throtle. Get the amp reading again see if it drops. If not, lower the full throtle and midstick throtle %. Get the amp reading again.

If the amp reading get higher, it means the motor is bogging that throtle curve is not set up to max efficiency of the motor. Then your only choice is to set the throtle curve back to where it was with the 100% at full stick and whatever % it was at midstick that the rpm is close to rpm at full throtle and get a higher discharge rated batteries. Higher discharge batteries can actualy increase rpm, the reason being that it could hold the voltage better at higher current draw......
02-13-2007 Over year old.
 
 
LcyRace
Heliman
Location: Allen, TX

Those were all peak numbers for a full throttle climb at 10° of pitch. Those batts were rated at 20c continous and 40c burst.

At hover and FFF it was pulling 14 to 15 amps and the batts were holding 22v.

When in doubt, gas it!
02-14-2007 Over year old.
HOMEPAGE  
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

For a while I was worried about the packs not putting up. 19.8V at high loading is suppose to be a good reading. How's the temperature on the packs? BTW, will you be able to post a video?
02-14-2007 Over year old.
 
 
LcyRace
Heliman
Location: Allen, TX

Not sure of actual temps on the packs but they were barely warm to the touch. I did not fly very long since it was 30° outside. I will have the Eagle tree logger fully installed on the Hurricane this weekend. I will report on batt temp, esc temp, motor rpm, as well as all the power data.

I'll try to get a short video. Not sure if I'll be flying alone this weekend or not. Be aware, I am not a excellent 3d pilot. I basically can fly my heli like an airplane with lots of FFF and loops and rolls. I can do a little 3d, like funnels and death spirals, but no tic-tocs or piro-flips yet. Hopefully, with a bit more stick time I will get better.

When in doubt, gas it!
02-14-2007 Over year old.
HOMEPAGE  
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

Man, I've been trying to attemp funnels for a while. I just don't have the guts yet. And you can also do death spiral.

I could do hurricane, tail slide, the wall, ailron and elevator tic toc (still ugly), half piro flip (not yet full piro flip yet), figure 8 snake, and all the basic aerobatics. But not those two you mentioned. I guess easy and not easy is different for each individual
02-15-2007 Over year old.
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

LcyRace

Any update on this heli?
03-01-2007 Over year old.
 
 
LcyRace
Heliman
Location: Allen, TX

Doing great. My friend has one now also. His is all stock and he gets about 6 mins (1850hs) on 2200's. With the trex motor I am only able to get 4-5 mins (2100hs) but it has noticebly more power. I think if I had 3000's that would be the hot setup for 7 min hard core flights.

One thing, I think the extra power from the trex motor is beginning to eat the new intermediate gear. It is the updated gear but I guess it was not designed for the higher load.

When in doubt, gas it!
03-01-2007 Over year old.
HOMEPAGE  
 
 
Tom Viper
Senior Heliman
Location: SWEDEN

Get the Z Power Z20 motor. Best motor I found up to date for the Hurricane. Untill the Z15 comes out Ohh, this is on 5S...

Here´s mine: http://www.ezfly.se/Video/hurricane_soft_music.wmv
03-01-2007 Over year old.
 
 
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e-Gaui Hurricane 200 & 550 - EP100 > Hurricane 550 - Anyone else have one?
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