isilfa,

You might want to consider the HS-5625 and/or the HS-5645 digital servos. They are not coreless like the HS-5900s but they have some very decent stats and should easily handle your 3rd-scale:


HS-5625 $54.99 (Tower Hobbies) $53.00 (J&C Hobbies)

SPECS: Speed: 0.17 sec/60 degrees at 4.8v
Speed: 0.14 sec/60 degrees at 6.0v
Torque: 109.7 oz/in at 4.8v
Torque: 130.53 oz/in at 6.0v
Length: 1.59" (40.6mm)
Width: 0.77" (19.8mm)
Height: 1.48" (37.8mm)
Weight: 2.11oz (60g)

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HS-5645 $54.99 (Tower Hobbies) $53.00 (J&C Hobbies)

SPECS: Speed: 0.23 sec/60 degrees at 4.8v
Speed: 0.18 sec/60 degrees at 6.0v
Torque: 143.03 oz/in at 4.8v
Torque: 164.2 oz/in at 6v
Length: 1.59" (40.6mm)
Width: 0.77" (19.8mm)
Height: 1.48" (37.8mm)
Weight: 2.11oz (60g)

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HS-5925 $89.99 (Tower Hobbies)

SPECS: Speed: 0.1 sec/60 degrees at 4.8v
Speed: .08 sec/60 degrees at 6v
Torque: 102.76oz/in at 4.8v
Torque: 127.7 oz/in at 6v
Length: 1.55" (39.4mm)
Width: 0.78" (20mm)
Height: 1.48" (37.8mm)
Weight: 1.97oz (56g)

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HS-5945 $84.99 (Tower Hobbies)

SPECS: Speed: 0.16 sec/60 degrees at 4.8v
Speed: 0.13 sec/60 degrees at 6.0v
Torque: 152.75 oz/in at 4.8v (9.6 kg/cm)
Torque: 180.53 oz/in at 6.0v (11.4 kg/cm)
Length: 1.55" (39.4mm)
Width: 0.78" (20mm)
Height: 1.48" (37.8mm)
Weight: 1.97oz (56g)