Question 1

What diameter log can this cut?

Accepted Answer

I regularly cut 6 to 10 inch diameter branches and trees with it while hiking and clearing trails. It's blade's about ~25 inches long. I've sectioned fallen trees that were 16 inches in diameter with it. It takes a while - especially if the trees have started seasoning (are no longer green). Take your time, and bring a lot of water to drink. It's lightweight, so a great tool to use while clearing steep hiking trails. But for sectioning 50 to 75 feet tall 16 inch diameter trees, it's a workout.

It makes short work of limbing live trees though. You can cut through fairly large diameter branches in minutes, and 4 to 6 inch branches in about a dozen swift strokes.

If you're going to cut a lot of easily approached and trucked-out wood (a quantity that hints at needing a chainsaw)... get a chainsaw.

The diameter of the trees you cut will need to be much less than the length of the blade - with at least 3 inches of free blade movement on both sides of the tree... so I wouldn't try to cut anything thicker than 18 inches with it.

Hope that helps.

Question 2

Will it work on air dried timber (peeled logs) or is it only for green wood?

Accepted Answer

This will work on various types of wood.  Silky blades work on the "pull stroke" & for this model, the recommended cut capacity is 10" in diameter.

Question 3

What are the size of the teeth on this model?

Accepted Answer

XL - 3.4 teeth per inch

I don't think I've ever seen the 650 offered with anything other than XL teeth.
Maybe they assume if you want such a big saw, you'll want aggressive teeth?

Question 4

Has anyone tried sharpening these katanaboys with a silky sky blade sharpening file ?there's confusing info on if impulse harden steel can be sharpend

Accepted Answer

I just got the 650. On the front of the package it says it is sharpenable but I haven't looked into which file is needed or how much skill it would take.

ASIN	B00RD9JCS2
Best Sellers Rank	#90,780 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #128 in Handsaws
Blade Length	65 centimeters
Blade Material	Electroless Nickel Plated Steel
Blade Shape	Rectangular
Brand Name	Silky
Color	Black/Silver
Customer Reviews	4.8 4.8 out of 5 stars (1,309)
Global Trade Identification Number	04903585710653
Handle Material	Rubber
Included Components	Silky KatanaBoy 650mm Folding Saw, nylon shoulder bag
Item Dimensions L x W x H	34"L x 5.5"W x 1.5"H
Item Length	34 inches
Item Type Name	fixed blade,hunting knife,outdoor,camping
Item Weight	2.8 pounds
Manufacturer	Silky
Manufacturer Part Number	710-65
Manufacturer Warranty Description	Manufacturers limited lifetime warranty against defects in materials & workmanship
Model Number	710-65
Number of Items	1
Number of Packs	1
Number of Teeth	87
Other Special Features of the Product	Large Blade, XL Teeth, Taper-ground Design
Power Source	Manual Powered
Surface Recommendation	Wood
Unit Count	1 Count
Warranty Type	Manufacturers limited lifetime warranty against defects in materials & workmanship
Wattage	7.58 watts

Silky KATANABOY Professional 650mm Folding Saw XL Teeth (710-65)

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