Can I also ask how big is the roundabout end..how many nest boxes and pairs in main end ..how much light etc..how long you been racing..what breeds you racing..how many birds you racing against..do you race to the house or allotments.how close the next loft..the more info the better..My personal opinion is you can't race ob to the corn tin..it's motivation that wins races..no motivation then they're just homing not racing...I fly10pair on roundabout never had the same pigeons in the first 5yet and we've had 4races against 350-400birds and I've got a first , second, forth,2xseventh and couple of tenths...I'm happy with that..