|Aug 30, 2010, 01:58 AM|
F9F RCLANDER - Quick Installation of different types of LIPO regardless of CG
RC LANDER F9F - Quick Installation of different types of LIPO regardless of CG
The support of ACCU that I have described can use different types of LIPO: 4000-20C 4000-25C 3700-35C 3600-30C 3300-35C ....... and ensures good ventilation
As everyone knows, when we change the type of battery , it's changes the CG.
Here is one method to change the type battery easily on the ground without worrying about the GC.
Of course, all this is preparing in your workshop!
In the workshop: (see picture)
L = length LIPO
A = Length was measured
X = Length of the wedge
Place your F9F with the landing gear down on the system centering, place the battery and make a marking position on the fuselage when the aircraft is in balance - measuring the distance A - The length of the wedge will be: X = L - (A + 11.5 cm) - Cut a piece of foam pipe (heater pipe insulation) of length X and write the type of ACCU - Repeat this operation for other types of batteries - The added weight is 2g (heater pipe insulation + scotch)
On the field:
Scotch the Foam tape tube on the corresponding battery, insert the assembly into the fuselage, checking it is on the right mark, put the bar retains (small block of foam )- Your plane is focused and ready to fly -
CG changes when the gear is UP (for a metal gear before (36g) - reverse CG 2mm!), it is important to balance the plane with the landing gear down
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