After my stock tail servo gave up (would not stay stationary even when sat on table with heli doing nothing even after cleaning the servo tracks) made the decision to mod using the eflite DS35 micro digital servo.
1. Mounted the servo on the boom using a tail boom support mount chopped in two (only needed the screw clamp mounting hole bits)
2. Tweaked and rebent existing servo pushrod to match new alignment
3. Cut and shunt the old stock servo lead onto the DS35 lead (to give required length of cable and right plug for 130X mainboard)
Went off for a fly...serious tail wag, almost unflyable. Then tweaked the gyro gain settings as per
http://www.horizonhobby.com/pdf/BLH3780_Gyro_menu.pdf
ended up lowering the gain the full 10 points that this allows to get rid off the wag.
Now flies superbly, with quick pirouettes (in both directions). Tail holds well and is quick and responsive. Tail feels not too dissimilar to my Trex 500 now, stops where you ask it and does what it was supposed to do.
If your stock servo gives up I would not replace it, splash out the extra few quid on this mod, you will not be disappointed. In fact upgrade your fully functional stock servo.
1. Mounted the servo on the boom using a tail boom support mount chopped in two (only needed the screw clamp mounting hole bits)
2. Tweaked and rebent existing servo pushrod to match new alignment
3. Cut and shunt the old stock servo lead onto the DS35 lead (to give required length of cable and right plug for 130X mainboard)
Went off for a fly...serious tail wag, almost unflyable. Then tweaked the gyro gain settings as per
http://www.horizonhobby.com/pdf/BLH3780_Gyro_menu.pdf
ended up lowering the gain the full 10 points that this allows to get rid off the wag.
Now flies superbly, with quick pirouettes (in both directions). Tail holds well and is quick and responsive. Tail feels not too dissimilar to my Trex 500 now, stops where you ask it and does what it was supposed to do.
If your stock servo gives up I would not replace it, splash out the extra few quid on this mod, you will not be disappointed. In fact upgrade your fully functional stock servo.


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