The blind leading the blind FootRocket build

[Stumpf246]

I'm in the process of building a footrocket too, well going on over a year now (I blame my new born son for the wait, lol) but anyway when I installed my pump( 144 solas mag non setback) my scupper hits the pump and only opens about a half in or so. Now I know that is still going to dump quite a bit of water out I was just wondering if this was common or not. Keep the build updates coming!

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[Little_Franny]

I'm in the process of building a footrocket too, well going on over a year now (I blame my new born son for the wait, lol) but anyway when I installed my pump( 144 solas mag non setback) my scupper hits the pump and only opens about a half in or so. Now I know that is still going to dump quite a bit of water out I was just wondering if this was common or not. Keep the build updates coming!

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They are all like that, and they flow more than enough water even though it may look like it should open more

 

[Stumpf246]

That's kind of what I figured. Just wanted to make sure. Thanks!!

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[erik mx45]

my predator is same way dumps water pretty good though

 

[Stumpf246]

Sorry for jacking your thread with a question @96superjet. Keep the updates coming!

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[Yami-Rider]

Maybe I missed it. What did you do about the plate not being drilled?

 

[96superjet]

Maybe I missed it. What did you do about the plate not being drilled?

Hull and un-drilled bed plates are still sitting in my basement. My HPE 819 just showed up before Daytona so I can now line things up and mark the plates. My only issue is my crappy Northern Tools drill press has a bit of wobble in the chuck. So, it makes me nervous drilling a hole that will not be entirely round then attempt to tap it.

I think I'll just drill it with a bit 2 sizes smaller then recommended for the tap and just work harder tapping the holes.


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[Yami-Rider]

Use cutting wax on your tap and take your time, you should be fine.

 

[96superjet]

I usually just spray the tap with WD-40 and then back out the tap and restart when it gets really hard to turn.

It only ever seems hard to turn when I use a smaller drill bit then recommended.

Is cutting wax much different then WD-40 and can you pick it up at HomeDepot?


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[Yami-Rider]

Cutting wax comes in a tube or spray. For drilling I use the spray, for tapping I use the tube of wax. Both are different then WD, but WD would probably work too. I bought the wax from napa and the spray from lawson.

 

[speedysprocket]

Even if your chuck is wobbly, it'll center itself once the hole starts. Drilling the holes smaller will make it very hard to tap and you might mess the hole up even more as the tap tries to cut its own hole and the threads..

 

[96superjet]

OK... back to this long forgotten build. As I mentioned before, the motor mount plates which came with this FootRocket were not drilled and tapped for motor mounts. Not a problem, I'll do it myself

So, here's the first problem. I thought I was gonna be smart and throw a set of nylon spacers on the motor mount bolts to center them in the very large holes in the bed plates.

They center the bolts in the bed plate holes like a champ and there's no play at all. I thought this would help me in getting everything lined up for marking and drilling.

From the top the alignment seemed spot on. Problem is from the side

The motor side coupler is at least 5mm too high and ya can't shim downwards

So... Could be that I'm using couch motor mounts, but more likely cause the motor mount bolts are sitting unnaturally centered in bed plate holes instead of way out towards the outside of the holes. Thoughts anyone?


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[sinisterjosh209]

Could be a mixture of both

 

[Pablo]

OK... back to this long forgotten build. As I mentioned before, the motor mount plates which came with this FootRocket were not drilled and tapped for motor mounts. Not a problem, I'll do it myself

So, here's the first problem. I thought I was gonna be smart and throw a set of nylon spacers on the motor mount bolts to center them in the very large holes in the bed plates.

They center the bolts in the bed plate holes like a champ and there's no play at all. I thought this would help me in getting everything lined up for marking and drilling.

From the top the alignment seemed spot on. Problem is from the side

The motor side coupler is at least 5mm too high and ya can't shim downwards

So... Could be that I'm using couch motor mounts, but more likely cause the motor mount bolts are sitting unnaturally centered in bed plate holes instead of way out towards the outside of the holes. Thoughts anyone?


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I'd lean towards the couch mount culprit. I've had to ditch my couch mounts before because they're too tall for certain Skis. Either mill the bases of the mounts, grind on bed plates or swap mounts. Sucks but not many options.

 

[durhamgoat]

Rhaas makes lowered mounts if you can't lower yours enough.

 

[yamanube]

Just ditch those nylon spacers and push your mounts out, it was a nice thought but having to use custom height motor mounts would suck. May have to swap to SJ mounts too.

 

[Ducky]

Why are the motor mounts not bolted to the plate? Bolt them down to the plate, push them as far to the outside as possible before tightening. You can always egg out the bolt holes where the motor mounts bolt to the plates to push them farther out and lower the motor.

 

[Yami-Rider]

@Ducky, his plate doesn't have mounting holes yet, he has to drill them.

My 2016 footrocket has rhaas mounts (stock higth) and I had to grind a bit off the bed plate to get the alignment spot on. My 2014 footrocket needed a bunch of shims to line it up.

 

[speedysprocket]

Those spacers defeat the intended purpose of those large holes. They may be good for aligning your mounts to drill the holes for them, but take them out for final engine alignment and install. The big holes allow the engine to self center some before you tighten the bolts down.


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[iangdesign]

Shouldn't the rubber dampener be in also to help with aligning the two couplers?