I'm assembling a Flash now. This is my first jet.
I purchased the parts to put the 8mm pins in the landing gear from McMaster, but I'm not completely understanding how to modify the gear.
Are you guys drilling out all three gears for the 8mm pins? The nose gear would still have to have a longer pin, right? Then you would need an 8mm wheel collar to go on the top of the pin. Is there room in there for the larger wheel collar?

Or are you just drilling out the main gear only for the 8mm pins, and leaving the nose wheel 6mm?

How are you actually doing the drilling? By this I mean how are you holding the struts perpendicular while drilling?

For the retract unit itself, can I just support it on its flanges and then drill it out when in the "down" position? Are the flanges exactly perpendicular to the hole for the pin?

Thanks, Jim