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Alternative make of outboard for Altair 32
Posted: Tue Jul 30, 2013 11:08 pm
by Magic Time
Has anyone used any other make or model of outboard other than Yamaha T9.9?
If so, please post details. Also any information regarding horse power increasing modifications.
I need to replace a motor and would like to consider alternatives.
Re: Alternative make of outboard for Altair 32
Posted: Thu Aug 01, 2013 1:02 am
by NautiBits
My boat, 2000 PDQ36, has Yamaha high thrust 4stroke 8s. There is at least one other 36 with the 8s installed. It does not appear that the engine compartment needs any mods to accommodate the 8s. They move the boat adequately. They would probably support the PDQ32.
Re: Alternative make of outboard for Altair 32
Posted: Sat Sep 07, 2013 9:20 pm
by Page 83
Magic Time: you should search the older message files for engine discussions. Essentially, the Yamaha 9.9s and High Thrust 8's are the optimum choices, because they are the only available engines geared to run at peak power rpm in the speed range we operate. A Honda BF20 delivers less thrust because at 7-10 knots it is only developing 10 hp and trying to push the boat with a small diameter prop. At nine to 10 knots our cats start to raise the bows and push a lot of water. We would need a lot narrower hulls to go mush faster under power, and some more waterline would be nice. I don't think any manufacturer would want to build a better motor for cats; we are a tiny market segment.
Some PDQ owners have tried other makes and different mounting locations. They haven't bragged about their success....