- Joined
- Sep 12, 2008
- Messages
- 564
Thanks Allen, I have a good selection of props ranging from reasonable and out to what were you thinking?. All my early testing will be reined into the reasonable range.Look good and crazy big props
I’ve run the VAC’s for quite some time, here in Alberta we run either @ 2000 or 3500 feet. I for the most part used the CMB muffled pipe and it worked well at 2000 but when you jumped up to 3500 it struggled for air and got real finicky. I swapped out that pipe for the AA90 parabolic pipe on my 91 NR hydro last year and it worked really well at the higher elevation. Pretty sure it will help my VAC’s too, but will find out for sure when the ice melts.boat looks awesome! have you ran the VAC motors before with the parobalic pipes,and if so how did they run?
Probably a good idea, has to be some serious pressure on the turn fin point.Andy's boats not only great looking ones but super performers.....very nice work !
p.s I would add a second screw on the rear right boom!
Gill
Thanks Brad, the new KEPS is still on the shelf unassembled, work this winter had a bad habit of making a nuisance of itself. It’s painted, just needs some time.Great looking boat Greg!! Where is the new 45 boat? Great looking paint job!! See you soon in Calgary.
Brad
thanks greg for the reply.good luck with it.mike.I’ve run the VAC’s for quite some time, here in Alberta we run either @ 2000 or 3500 feet. I for the most part used the CMB muffled pipe and it worked well at 2000 but when you jumped up to 3500 it struggled for air and got real finicky. I swapped out that pipe for the AA90 parabolic pipe on my 91 NR hydro last year and it worked really well at the higher elevation. Pretty sure it will help my VAC’s too, but will find out for sure when the ice melts.boat looks awesome! have you ran the VAC motors before with the parobalic pipes,and if so how did they run?
If you're using a 4-40 for the boom it's good to ~600#'s in double shear. I have a feeling something else would let loose before the bolt sheared.Probably a good idea, has to be some serious pressure on the turn fin point.Andy's boats not only great looking ones but super performers.....very nice work !
p.s I would add a second screw on the rear right boom!
Gill
Its not the shearing. Its the hole elongating. Id double up the front and rear on the right side. Start with the 4-40 and when they get loose. Go to 6-32.If you're using a 4-40 for the boom it's good to ~600#'s in double shear. I have a feeling something else would let loose before the bolt sheared.Probably a good idea, has to be some serious pressure on the turn fin point.Andy's boats not only great looking ones but super performers.....very nice work !
p.s I would add a second screw on the rear right boom!
Gill
Looks great! You can atleast glue in a wood dowel inside the sponson booms that the screws pass through. This will eliminate the screws from slotting the booms. I’ve been putting aluminum inside the hull booms which keeps the booms from cracking where the bolts pass through , and double wall the sponson booms with the one under size composite tube and then gluing wood dowel inside of that which makes the sponson booms solid to help with flex when running that type of boom material. Also, with the aluminum inside the hull booms ,extending out past the width of the hull ,it makes the booms break outside the hull without damaging the wood on the boat if impacted. Jeff Lutz
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