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Old 06-07-2014, 03:16 PM   #1
Bill Gibson
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Default Blade SR 120, 2nd heli!

I picked up a coupla used ones on E-bay, as i wanted something a little larger than my MSR, which i still have fun flyin, but, i was wondering......im just starting to attempt some forward flying with some turns, and sometimes i do FAIR, and sometimes its UGLY!(CRASH!) Seems im behind with with tail rotor control. This is the RTR version that comes with the little 4 channel transmitter, and i was wondering if using my DX6i with proper adjustments (DR/EXPO,etc) would help tame the heli down a little, or is it just my my lack of skills and experience that is the culprit?? I am AMAZED at how well the SR has held up to the number and severity of "wrecks" ive had so far! I welcome ANY advice!
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Old 06-07-2014, 08:26 PM   #2
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Originally Posted by Bill Gibson View Post
I picked up a coupla used ones on E-bay, as i wanted something a little larger than my MSR, which i still have fun flyin, but, i was wondering......im just starting to attempt some forward flying with some turns, and sometimes i do FAIR, and sometimes its UGLY!(CRASH!) Seems im behind with with tail rotor control. This is the RTR version that comes with the little 4 channel transmitter, and i was wondering if using my DX6i with proper adjustments (DR/EXPO,etc) would help tame the heli down a little, or is it just my my lack of skills and experience that is the culprit?? I am AMAZED at how well the SR has held up to the number and severity of "wrecks" ive had so far! I welcome ANY advice!
I've flown the SR 120 lnked to the Dx6i......yes DR/Expo (in ACRO mode) will help a little to keep the tail behind it's head....start with an Expo setting between 10% and 20%....but all of these little fixed pitched heli's have issues with power distribution being un-equal between the tail motor and main rotor motor.......the tail motors have a history of loosing life in half the of the time of the main rotor motor.....buyer beware!

Make sure the flybar and paddles stay balanced....they have a tendency to get out of shape after a few dings causing yaw and pitch control to be frustating....

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Old 06-07-2014, 08:58 PM   #3
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Here are a few simple mods that will help your heli fly better.

http://www.rcgroups.com/forums/showthread.php?t=1292009

http://www.rcgroups.com/forums/showthread.php?t=1293580

I may be getting Older, But I Refuse to grow Up I am Having to much Fun to Grow Up LOL
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Old 06-07-2014, 09:03 PM   #4
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Originally Posted by pizzano View Post
I've flown the SR 120 lnked to the Dx6i......yes DR/Expo (in ACRO mode) will help a little to keep the tail behind it's head....start with an Expo setting between 10% and 20%....but all of these little fixed pitched heli's have issues with power distribution being un-equal between the tail motor and main rotor motor.......the tail motors have a history of loosing life in half the of the time of the main rotor motor.....buyer beware!

Make sure the flybar and paddles stay balanced....they have a tendency to get out of shape after a few dings causing yaw and pitch control to be frustating....
Thanks pizzano! On the first SR i got, after about 10-12 batteries, i had to replace the tailrotor motor as it quit all together, and it "handled" much better....i may need to do the same thing to the 2nd one that i got, as it seems MUCH more senstive to the tail rotor coming around than the other machine.....i will also check the flybar/paddle thing as well!
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Old 06-08-2014, 11:14 AM   #5
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Switch over to your DX6i asap! Makes a world of difference having a real TX, you can sort of fly them with the stock thing.
Just charging up a couple batteries to head out with mine, no wind this AM.
Remember with this heli if the leaves are moving on the trees there is too much wind, it will get blown down wind and probably not make it back.
Also don't waste any money on alloy "upgrade" parts, most of them do nothing but add weight, the stock plastic stuff is just as good. The alloy stuff is stronger but it just transfers the breakage to the next weakest point.
The only one that MAY do some good is an alloy swash plate although you can buy a few plastic ones for the same cost.
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Old 06-08-2014, 11:59 AM   #6
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Thanks Chellie! How ya doin? Hope yer flyin yer tail off!

Siberianhusky, thanks for the tips! MAN! You are RIGHT ON about a little bit a wind! When i flew yesterday morning, the conditions were perfect, and i actually thought i was beginning to get the hang of some turns and forward flight with this thing....about an hour and a half later, the wind crept up to 5-7mph and.........FAGEDABOUDIT!!! i had the controls lock to lock just tryin to keep the machine in a 15'X15' area!CRAZY!
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Old 06-08-2014, 01:12 PM   #7
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LOL tried to get in one more flight this morning, wind blew me into the birch tree in my front yard, just nicked a low hanging branch then went out of control, lost half the tail rotor! Saw a little white thing go flying then the spin started, was only about 6' off the ground, chopped the throttle. No other damage, landed on the grass.
Check out helifreak.com there is a SR120 forum on there, you can get the setup info for the DX6i there.
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Old 06-08-2014, 03:43 PM   #8
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Originally Posted by Siberianhusky View Post
LOL tried to get in one more flight this morning, wind blew me into the birch tree in my front yard, just nicked a low hanging branch then went out of control, lost half the tail rotor! Saw a little white thing go flying then the spin started, was only about 6' off the ground, chopped the throttle. No other damage, landed on the grass.
Check out helifreak.com there is a SR120 forum on there, you can get the setup info for the DX6i there.
Thanks Man! Sorry to hear about your mishap!! I am amazed at the wrecks ive had with mine and its still in one piece! Pizzano, if you read this, i just replaced the tail rotor motor, and the difference is HUGH!! Tail rotor authority, stability...SERIOUSLY IMPROVED! It flies better than the first time i pulled it out of the box! Happy Camper here!
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Old 06-08-2014, 06:01 PM   #9
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Good to hear Bill.....like SHusky mentioned, no real advantages to upgrading the little heli with after market stuff......since most of the control linkages are not adjustable and the plastic parts are pretty durable and cheap.....!

If you are starting to get the hang of the SR 120, another good little heli (a bit bigger and more stable in wind) is the Blade Nano CPX, it's a collective pitch that will bind to a DX4e, DX5e, DX6i TX's.......Don't let the CP scare you, there's a little learning curve involved, but most of the basic flight principals are the same as the fixed pitch and it responds to TX DR/Expo and Throttle Curve adjustments much better than the FP......just a thought......

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Old 06-21-2014, 10:53 AM   #10
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This heli is AMAZING! As I continue to try to improve my skills with some sucess i might add, there are still those little wrecks that occur as i slowly progress...yesterday, while practicing in the 50X100' warehouse where i work, i experienced the worst crash yet....at a high rate of speed in forward flight( i let it get too fast too soon to react) i lost orientation as i was making the turn back and SLAMMED the heli into the side of a forklift...i mean man...it was BRUTAL! Had this been a .30 sized nitro heli, i have no doubt it would have been DESTROYED, but, to my amazement there wasnt a scratch on it....the only "damage" that occured was the white wire to the TR motor was cut...unfortunatly i dont see any way to repair it as there simply isnt enough wire to work with, so i will just get another motor and get er goin again.....i just cant believe the impact this heli can take and still remain in one piece......maybe ill slow the learning curve down a little......!
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