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HomeAircraftHelicopterHelicopter Main Discussion › Goblin 700 DFC Head Assembly question!
09-22-2013 04:01 AM  5 years agoPost 1


Woodland Hills, CA, United States

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Hi there!

I wanted to ask a quick question.

I purchased by mistake a complete Head Assembly for a Goblin 630, BUT I own a Goblin 700. All the parts for the head were included, less the main shaft.

Can I install this Goblin 630 head assembly on my Goblin 700 without concern or other needed modifications?

I'm running a 14s set-up with an Align 750MX 450KV motor. Keep my headspeed at 2200rpm.

Thanks in advance!


09-22-2013 01:24 PM  5 years agoPost 2

rrElite Veteran


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From a recent visit to the nearby hs yesterday I would say that the 630 head is machined for a blade with a root clamp thickness of 12mm. The root of 700 blades are 14mm. You might have a problem getting them on. After holding and inspecting both 600 and 700 class Align products I would say the 700 head was about 2+mm of material larger in general over the 600 size.

The 630 head will have to mate on the 700 main shaft and blades fit blade clamp thickness. If those match to the 700 then you want to make sure the feathering shaft bolts are the same diameter as the 700, that's where the forces of pull are being applied by the blades so they are critical. If nothing is the same then it's a safe bet to not use the 630.

Contact the manufacturer.

09-23-2013 03:34 AM  5 years agoPost 3



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I dunno. But my edge fb blades need washers to fit on my 700 so I dont think the blade grip width will matter with those blades.

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