Right or left will not matter to the vane or our bow. However, if you are starting out I'd recommend right helical. It's major advantage is that it spins the arrow into the point so points don't come loose as readily. That, and if you ever decide to shoot feathers then right hand feathers are usually more accessible.
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Martin Silver Star Shooter
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Like they all suggested -- used a helical or offset -- i had troubles getting a fixed blade to fly with a straight fletched blazer. Put some helical on and TADA