Dodger CG
10-28-2002, 05:12 AM
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Dodger CG
Hi guys. Would any of you happen to know the correct CG for a V-tail Dodger? Thanks in advance!!
Spencer
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Spencer
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10-29-2002, 05:10 PM
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CG
Spencer, For most Wood Q500's, 2 1/2" from the LE is normally the best place to start with and then adjust after your initial flight tests by shifting the battery around.
Its always better to start off NOSE heavy than to have one thats tail heavy
BV
Its always better to start off NOSE heavy than to have one thats tail heavy
BV
10-30-2002, 01:13 AM
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Doddger CG
I built a Doddger a couple years ago and as luck would have it I couldn't find my old plans. Found half of them, but not the half needed. After removing a year of dust from the wing I found CG tick marks at 2.5, 2.6, 2.8 and 3 inches aft of the LE. Don't remember any significant CG sensitivity. If really interested, Direct Connection R/C phone number is 1-800-593-5250. Good luck.
MaxQ
MaxQ
11-04-2002, 10:01 PM
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Dodger CG
If you are using a sport .40 - .46 this is where I would start.
Elevator and Ailerons
low rate 1/4" both ways
High rate 3/8" both ways
Rudder 1" both ways is plenty.
If you are using a Jett or Nelson .40 this is where I would start
Elevator and Ailerons
Low Rate 3/16" both ways
High rate 3/8" both ways
Rudder 1" both ways is plenty. I typically adjust so that full right rudder on takeoff keeps the plane perfectly straight until its off the ground.
You should be able to take off and trim out the plane on low rates, but you will want to switch to high rates after you cut the engine for landing.
These throws have worked well for a starting point on just about every quickee I have ever owned.
Elevator and Ailerons
low rate 1/4" both ways
High rate 3/8" both ways
Rudder 1" both ways is plenty.
If you are using a Jett or Nelson .40 this is where I would start
Elevator and Ailerons
Low Rate 3/16" both ways
High rate 3/8" both ways
Rudder 1" both ways is plenty. I typically adjust so that full right rudder on takeoff keeps the plane perfectly straight until its off the ground.
You should be able to take off and trim out the plane on low rates, but you will want to switch to high rates after you cut the engine for landing.
These throws have worked well for a starting point on just about every quickee I have ever owned.
11-04-2002, 11:01 PM
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Dodger
The designer of this airplane is Craig Grunkemeyer, his number is in the NMPRA newsletter and CAPS newsletter. I'm sure he would be happy to answer any questions regarding the Dodger.
On the otherhand, I'm not sure he would wan't his number posted on this forum so I will refrain from the number. If you are not a NMPRA or CAPS member E-Mail me and I will give it to you.
Mikey D
On the otherhand, I'm not sure he would wan't his number posted on this forum so I will refrain from the number. If you are not a NMPRA or CAPS member E-Mail me and I will give it to you.
Mikey D
11-05-2002, 04:14 PM
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Dodger CG
Spence,
With a V-tail setup, you would use the same throws I have listed above, except you would not use the 1" rudder throws.
With your engine I would set up each elevator half to move:
1/4" both ways on Low rates
3/8" both ways on High rates
This will be plenty of throw if all your incidences are correct, and the C.G. is in the right spot.
With a V-tail setup, you would use the same throws I have listed above, except you would not use the 1" rudder throws.
With your engine I would set up each elevator half to move:
1/4" both ways on Low rates
3/8" both ways on High rates
This will be plenty of throw if all your incidences are correct, and the C.G. is in the right spot.
