Keeping CG within aft limit

[lbell]

I have mine at 81 and there is no reason for it not to be. I think the 81 is on the x cub too. I asked the factory at the time and they said use 81. Anything less and it is just not going to take the load. As Dan said, it has much more trim to help even more on the EX2.


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Troy
How did you document the 81" aft CG? The only way I see that one could get to 1865 and not be aft would be if I gained about 200 lbs.

[TroyBranch]

Troy
How did you document the 81" aft CG? The only way I see that one could get to 1865 and not be aft would be if I gained about 200 lbs.

The POH has 81 and I test flew at that configuration during test phase.

If I go full fuel, I am 170#, add a 200# passenger, 130# of luggage I am still within CG and cannot get to 1865. There is no practical way you will get to gross unless you are a really big guy up front with a big passenger and luggage. If you can fit it, you most likely can carry it.



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[Mark Albery]

It looks like the 1865lb limit is academic if you can't get there without exceeding some other limitation, especially for the EX-2 with a 79" aft limit recommended.

Presumably a belly pod or floats may make use of the extra gross weight allowance without pushing the CG out of aft limit.

Does anyone have auxiliary loading data for the belly pod - max load and CG station?

[lbell]

The POH has 81 and I test flew at that configuration during test phase.

If I go full fuel, I am 170#, add a 200# passenger, 130# of luggage I am still within CG and cannot get to 1865. There is no practical way you will get to gross unless you are a really big guy up front with a big passenger and luggage. If you can fit it, you most likely can carry it.



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my POH and everything I received from CC states 79. Did you load it to 81 aft for flight testing?

[TroyBranch]

Yes, give Mitch a call. I don’t want to be the one that says you can. I was sure they were changing it and would like know why they haven’t. That was over two years ago for me. Makes no sense. Same wing and different CG?


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[Dan L]

It looks like the 1865lb limit is academic if you can't get there without exceeding some other limitation, especially for the EX-2 with a 79" aft limit recommended.

Presumably a belly pod or floats may make use of the extra gross weight allowance without pushing the CG out of aft limit.

Does anyone have auxiliary loading data for the belly pod - max load and CG station?

My belly pod from Carbon Concepts weighs 14 pounds and has a capacity of 150. I don’t have my W&B stations where I am, but the CG of the pod would be very close to the station for the pilots seat.

[Dan L]

My belly pod from Carbon Concepts weighs 14 pounds and has a capacity of 150. I don’t have my W&B stations where I am, but the CG of the pod would be very close to the station for the pilots seat.

The pod CG is closer the rear seat position. When partially loaded, like a couple of fuel bags, I move them to the front of the pod which is about the same as the front seat.

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[jasimmons]

Thanks all for the responses!

Andrew