Turn a X642 into a M642

[Luck as a Constant]

so i lost a prop the other day. pretty bummed, so i ordered another.
figure ill go thru what i do. first my tools and the respirator. a good one.IMG_5463.jpgIMG_5460.jpg

Then mark where i want to remove material on the tongue, and leading edge
IMG_5456.jpgIMG_5457.jpg

Next to an m445 its looking decent so far. not sure whether to round the tips or not....
IMG_5462.jpg
tomorrow ill get to thinning blades and some other stuff. stay tuned

[Luck as a Constant]

IMG_5458.jpg

[kfxguy]

To make it like a m series, you need to de-tounge it. In other words cut back the rounded part closer to the center.

[Luck as a Constant]

Turn a X642 into a M642

UHm..... I removed the tongue and some of the leading edge.
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[Luck as a Constant]

I fixed my post. I realized my terminology was off. My bad.


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[kfxguy]

UHm..... I removed the tongue and some of the leading edge.
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I'm always a little timid at how much I remove because I keep forgetting if i mess it up, it's only a $13 prop hahaha!

[srislash]

I'm always a little timid at how much I remove because I keep forgetting if i mess it up, it's only a $13 prop hahaha!

It is about the cheapest thing in this hobby to mess with, You can do a few in the AM and play with em' in the PM. Loads of fun

[Luck as a Constant]

I'm always a little timid at how much I remove because I keep forgetting if i mess it up, it's only a $13 prop hahaha!

hehe yup. it only sucks when you do one up nice and lose it.

[srislash]

hehe yup. it only sucks when you do one up nice and lose it.

Just lost my way cool 447,best I have done. Hope I can redo it.

[Luck as a Constant]

Just lost my way cool 447,best I have done. Hope I can redo it.

it really fellates cattle when it happens doesn't it?

any thoughts about my prop? should i round the tips ya think?

[785boats]

No.
I would back cut it about 3/32" at the hub from zero at the tips.

[Luck as a Constant]

No.
I would back cut it about 3/32" at the hub from zero at the tips.

i usually square off the trailing edge and leave it straight. thats the edge you're speaking of yes?

[Luck as a Constant]

So with a rough half round file I went at the convex side of the blade thinning it out over the entire blade.
Then on to a finer file to smooth out .
Finally, for now I square off the trailing edge.


Now onto the balancer. Not bad for wingin it


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[Luck as a Constant]

So now it's going to get 400 on both sides, then 600 then 800 only on the convex side. Then back to the balancer.


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[Luck as a Constant]

So I ended up going with 320 on both sides the 600-800-1200 on the convex side. Then I use a fine file and file into the edge I want sharp. I back onto balancer, and back and forth till it's balanced and razor sharp. hard to tell from the pics but it's ridiculous sharp.

Then to keep this one, unlike the first one I'll use a good nut and locktite


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