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Midland Helicopters . HeliProz . ZoomsHobbies

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New & Emerging R/C Helicopters > HB King 2 Bad tail boom design
 
 
PcKSnipE
Senior Heliman
Location: NSW, Ingleburn

Why did they make the boom so small in diameter? I look at my T-rex 450xl and the boom is a good size to avoid any contact with the belt and boom...

As a result the belt is shredding away when at high speeds, at my headspeed of 2700 after every flight i can see the belt's powdery remains. Kinda frightening :O

Any1 got a solution to this? Or do i have to go make my own modifications again...
09-09-2007 Over year old.
 
 
rccarguy
Senior Heliman
Location: Boston MA

If the belt is contacting the boom, you perhaps need to run it a bit tighter. I'm running pretty much the same headspeed on my King2 and with approx 100 flights now I'm not seeing any issues with the belt.

I learned to fly on a Trex, I learned to crash on a Blade CP...
09-12-2007 Over year old.
 
 
PcKSnipE
Senior Heliman
Location: NSW, Ingleburn

k good that's a big relief
09-13-2007 Over year old.
 
 
Turner0022
Senior Heliman
Location: Old Hickory Tn

i put some silicone lube on the belt and belt pullies, it stopped the belt from getting out of line. worked for me so far 4 weeks no belt issuses.

HBK2~Raptor 50v2~Dragonus~blade 400 radix blades
10-08-2007 Over year old.
 
 
Dubs
Senior Heliman
Location: Jackson NJ

I would destroy belts in a few flights on my T-rex before I started with silicon spray. With the silicon I have had the same belt for the entire summer. Same goes for my HBK2 with a healthy soaking of silicon spray once a week I am still on belt #1 for the entire summer. The belt still looks ok. I use the silicon spray that is used for rubber, metal, and plastic parts.
10-09-2007 Over year old.
 
 
dpcarey
Senior Heliman
Location: Ontario, Canada

I`ve been running the stock Align belt on my 450SE for just over 230 flights now (all logged). I`ve never used lube/silcon and the belt still looks and runs great.

More than anything, I think this tends to suggest that proper belt tension is the most important factor of all.
10-16-2007 07:05 PM
 
 
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HeliHobby . Ron’s HeliProz South . Century Helicopter

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New & Emerging R/C Helicopters > HB King 2 Bad tail boom design
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