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T-REX 500 › Tourqe Tube Vs Belt driven(Maiden flight Crash)
12-31-2010 08:33 PM  7 years agoPost 1
Ausable

rrVeteran

Montreal, Quebec

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I have a question, I am new at this and keep slamming the heli into the ground when I panic and strip the gears. Is it possable to modify my T-Rex 500ESP with belt driven. This might help me when making repairs etc. Yes I know I have to learn to lower the heli slowly.
And does anyone have spare parts for sale.,yes I just had my maiden flight and crashed.
Parts to be repaired
Tourque tube shaft and gears,Main drive gear stipped,Tail boom bent, Upper arm on head broken,Skid broken, One main rotor blade broken.It looks like everything else is OK. I will have to have a buddy verify everything for me.
Yes, I know if you don't crash you don't learn but to watch it happen isn't to good.
Thanks for looking

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12-31-2010 09:15 PM  7 years agoPost 2
jsenicka

rrProfessor

Eagle River, WI

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Lower your bottom pitch to maybe -1 while you learn.
Keeps you from pile driving when you drop throttle fast in a panic.

I think I may have a complete belt driven tail set. Need to check.

Jim Senicka
Team Manager, GrandRC Flight Team

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12-31-2010 09:20 PM  7 years agoPost 3
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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Ausable, slaming the collective down is never the answer. keep it 65% up and recoup then land slowly. I did 2 flights with your heli and it was going great. You already have 20% expo. +10 and -10 pitch. We can do what Jsenicka is talking about, but in my mind you have to get used to your heli all over again when you recorrect the pitch. Anyway -1 is not enough neg pitch, you would have to go atleast -4 or -5.

Team Synergy, Rail blades, Team Scorpion, V-Team

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12-31-2010 09:33 PM  7 years agoPost 4
Ausable

rrVeteran

Montreal, Quebec

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Tourqe Tube Vs Belt driven(Maiden flight Crash)
Stef, I know you set the heli up great you are one of the most helpful persons that I know, You have been helping out from the start. It is because of you and others that make us the Newbies keep on trying and not giving up this hobby. I know that I need to take it easy on slaming the collective down ,it is bad habit that I must control. See I think that the ground is safer and this is not always true when in trouble.I guess I am very excited to fly like the big boys but like you told me I must take baby steps.
Thanks everyone for your advise.
Happy New Year

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01-01-2011 04:29 AM  7 years agoPost 5
Noobyflyer

rrVeteran

Clearwater, FL

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Another thing that helped me is learning to land by flipping the throttle hold at a foot off the ground and letting it float down. This is much easier on the skids as opposed to bringing it down under power and trying to search for the sweet spot before you slam.

IMHO, I think -2 or -3 as the lowest in normal (pitch) is good when it comes to setting your pitch curves eg 40, 45, 50, 75, 100.

Not sure what your throttle curve is, but since you are not using idle up, you might want to try to keep your throttle curve more planar like 0, 60, 80, 80, 80 as opposed to a linear curve. If you are still hard on collective, having the power of the motor can work against you in the beginning as you get the feel.

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01-01-2011 08:17 AM  7 years agoPost 6
Kamikaze Pilot

rrApprentice

Marion, Illinois- USA

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Really, what is the cost difference? $14.00 for torque tube gears or what? If you mess up on a torque tube you'll probably mess up the same stuff on a belt drive.

IMHO it's worth the difference for a more reliable, lower maintenance system. I mean "really"; is $14 bucks (or so) gonna break ya?

A.T. Quad-Rave 450-Trex 550

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01-02-2011 06:19 PM  7 years agoPost 7
Michaelm0268

rrApprentice

Louisiana

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If your going to crash a lot the belt drive will be cheaper.But if your flying in cold weather the torque tube will be more reliable

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