Truck or trailer flag pole

>>I am trying to figure out how to make a flagpole to mount on my truck and
>>trailer that will withstand highway speeds. It needs to be fairly stiff,
>>and be able to hold the 3' X 5' flag. Not sure what to use for the pole
>>part that would not break. The baseplate I have already figured out but
>>the pole material I am not sure of. This is for a pole for driving
>>missions for the Patriot Guard Riders.
>>
>> I thought 1" conduit. But not sure if it will bend and break. I do not
>> want the flags to end up on the ground somewhere.
>>
>> Thanks
>>
>> Rebus

>
> Are you doing this often? If so it may be worth the expense of a bit of 2
> X 2 X 3/16 square tube in a "L" shape. Perhaps coming from your reciever
> hitch (doesn't every truck have one?) and up about as high as the top of
> the tailgate. I would then take a 7' section of 1" black pipe as the
> mast. That should get the top about 8.5 to 9' high depending on the hieght
> of the hitch. Remember you will have underpasses and wires to consider.
> You could even paint the screw on cap a silver or gold to pretty it up. A
> 1/2 diameter eye bolt in the top cap would give an attachment for the guy
> wires/ropes which could also have colored pennants on them. I think I
> would also use this ring to tie the top of the flag to. The bottom could
> be simply tied around the pipe with a hose clamp over it to hold it in
> place. Lastly I bet a 1.25 or 1.5" piece of pvc pipe or hose would fit
> over the black pipe and fit inside the 2X2 fairly tight. Because of the
> stresses at the highway speeds I would avoid drilling any holes in the
> mast.
>
> And depending on how long a ride you will likely need a flag per outing.
>