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| 21 Checkmate https://hpbc.ca/viewtopic.php?f=2&t=2977 |
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| Author: | Himagain [ July 23rd, 2015, 11:56 am ] |
| Post subject: | 21 Checkmate |
Need some info Looking at building a class 7 boat to run OPA along with our class 6 boat. I have a line on a 1989 21 Checkmate. 1. how is the build on these boats? Should I expect it to need stringers, floor and transom 2. How much power will be required to run 60mph. 60 is the speed limit for the class |
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| Author: | allstock [ July 23rd, 2015, 2:02 pm ] |
| Post subject: | Re: 21 Checkmate |
1989 should be a Starflite, no pad on the bottom but generally as well built as any of that vintage. For class 7 I would think you would want something pretty fresh or at least gone through? |
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| Author: | allstock [ July 23rd, 2015, 2:05 pm ] |
| Post subject: | Re: 21 Checkmate |
A healthy 150/175 should push it 60 I would think, a 200 would be a little more versatile and probably easier to prop though. Just my opinion I'm no expert in class 7 racing lol. |
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| Author: | sheuninck [ July 23rd, 2015, 2:15 pm ] |
| Post subject: | Re: 21 Checkmate |
Our 91 Starflight goes just over 60 with 200 BlackMax. May be better off with Challenger type hull, the Startflight is pretty low in the back, might sink in the 8 footers at the mouth of the St Clair, we almost did. Check the transom and the deck behind the back seat for cracks. You coming to St. Clair this weekend? |
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| Author: | dubber [ July 23rd, 2015, 8:43 pm ] |
| Post subject: | Re: 21 Checkmate |
Just for a frame of reference for speed / power this 21 Superboat with a 175 merc claims 60ish. It sounds like this puts you in the wheelhouse. http://www.powerboatlistings.com/superboat/ |
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| Author: | Himagain [ July 24th, 2015, 11:15 am ] |
| Post subject: | Re: 21 Checkmate |
Thanks guys. The price seems right. We are off today for St Clair. Bad news is that our regular class 6 boat is still spread across the Mechanics shop. Good new is that the boat owner has a spare 26 velocity...... a little shy on horse power but we will be there! |
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| Author: | wetsidedown [ July 24th, 2015, 1:37 pm ] |
| Post subject: | Re: 21 Checkmate |
Good luck! |
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