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View newwoodbutcher's profile

DO CAST IRON WHEELS MAKE A DIFFERENCE?

by newwoodbutcher
posted 04-05-2013 05:17 AM


25 replies so far

View Rick M.'s profile

Rick M.

4026 posts in 1047 days


#1 posted 04-05-2013 05:31 AM

Anytime you add mass to a flywheel it will give you some extra oomph but if a 1.5hp is underpowered for you then I can’t imagine a 2hp is going to make you happy.

-- |Statistics show that 100% of people bitten by a snake were close to it.|

View bluekingfisher's profile

bluekingfisher

1043 posts in 1646 days


#2 posted 04-05-2013 08:40 AM

I can’t agree with Rick, you’ll find there is a considerable difference between 1 1/2 & 2HP motors, providing it is a like for like motor of course. Also bear in mind, it is after all bandsaw, with the extra power even more noticeable when driving the thin blade.

It’s more important that the wheels are balanced, you can of course do this yourself quite easily using small self adhesive magnets placed strategically on the wheel rim. (There is an abundance of info on the net on how to do this.)

Good luck

David

-- No one plans to fail, they just, just fail to plan

View shampeon's profile

shampeon

1377 posts in 850 days


#3 posted 04-05-2013 05:32 PM

I’ve resawed 6” on a 3/4 HP motor, and while it wasn’t fast, it worked.

The advantage of cast iron wheels is stability, from what i understand. But I’m sure there’s enough mass in 17” cast aluminum wheels to be plenty stable.

-- ian | "You can't stop what's coming. It ain't all waiting on you. That's vanity."

View Elizabeth's profile

Elizabeth

804 posts in 1810 days


#4 posted 04-05-2013 06:55 PM

I’m arranging a setup similar to yours (one resaw and one detail) and have just ordered an 18” Rikon from my local Woodcraft at their sale price of $1050. Might be worth considering if it’s near enough to your budget. 2.5 HP, 12” resaw capacity, cast iron wheels.

View MrRon's profile

MrRon

2848 posts in 1910 days


#5 posted 04-05-2013 07:53 PM

Cast iron wheels, being heavier are able to maintain blade speed better, but if you feed too agressively, the speed will drop and you risk breaking the blade before doing any damage to the wheels whether they be CI or aluminum.

View vipond33's profile

vipond33

1405 posts in 1164 days


#6 posted 04-06-2013 02:41 AM

It’s either cast iron or bags of power, either one will keep you smiling, as the CI simply stores and smooths power till needed with lighter motors.. Change your pulley and move on up to 5000 SFPM and you’ll be real happy. Speed counts, big time.

-- gene@toronto.ontario.canada : dovetail free since '53, critiques always welcome.

View Loren's profile

Loren

7626 posts in 2315 days


#7 posted 04-06-2013 02:49 AM

If you are actually serious about having a dedicated resaw,
look for a used Hitachi, Makita, Ryobi or Lobo. They pop
up on ebay.

They run 3” wide blades.

I don’t want to mess with your head, but my opinion is
the wider the blade the better the resaw performance.
Blades under 1.5” wide definitely start to lead as the
tips dull.

-- http://lawoodworking.com

View MrRon's profile

MrRon

2848 posts in 1910 days


#8 posted 04-06-2013 05:05 PM

The important thing when resawing is blade tension. A lightly tensioned blade will twist easily. The typical 14” BS can’t be tensioned enough for 1/2” blades unless you change the tension spring. Doing so, may distort the BS’s frame or cause blade breakage. A 3” blade will resaw nicely, but they need a lot of tension. Some people resaw successfully with 1/4” blades because it can be tensioned higher. The resaws that use 3” blades have a small throat (distance between the blade and the frame). That makes for a very rigid frame that can withstand a lot of tension. I remember seeing a new Ryobi resaw machine over 30 years ago that cost $500. I haven’t seen any since.

View newwoodbutcher's profile

newwoodbutcher

375 posts in 1517 days


#9 posted 04-06-2013 09:58 PM

Woodcraft has their 18” 2 1/2 HP saw on sale for $1050. Cast iron wheels, blade release and 12” resaw capability. It looks like it meets my spec plus a half HP more. Any one have this saw? Comments?

-- Ken

View newwoodbutcher's profile

newwoodbutcher

375 posts in 1517 days


#10 posted 04-08-2013 12:44 AM

I’ve looked for old iron for a few months. No luck. When it comes to new it looks like the 18” Rikon meets my requirements. I can’t see any way (without a long patient wait) to get a wider blade and/or more HP machine within my budget of $1,000. Do any of you have this saw? what is your assessment of it? Is it a good buy for my needs and budget?

-- Ken

View Elizabeth's profile

Elizabeth

804 posts in 1810 days


#11 posted 04-08-2013 12:55 AM

I have it but I only got it this weekend and haven’t used it yet. I am getting my woodslicer blades this week and should have some use of it before next weekend if parenting duties permit me the shop time!

View Straightbowed's profile

Straightbowed

717 posts in 965 days


#12 posted 04-08-2013 01:11 AM

its logical to buy something that will last when I first started woodworking I purchased crapsman saws and I finally learned to take my time and buy good equipment the heavier the better now when I want to work I just push a button and Im ready to go so what Im sayin is go heavy so you wont be cussin later cause your tools wont cut the mustard

-- Stevo, work in tha city woodshop in the country

View newwoodbutcher's profile

newwoodbutcher

375 posts in 1517 days


#13 posted 04-08-2013 02:47 AM

Good advice! Straightbowed, I’ve got a few weeks left on the sale. If you do get the blades and get to play with your new toy, I’d love to hear about it.

-- Ken

View JamesT's profile

JamesT

102 posts in 579 days


#14 posted 04-08-2013 02:07 PM

There are thousands of G0555’s out there with aluminum wheels and happy owners. In fact I had one, I Couldn’t resaw with it, so I bought an 18” Recon and Woodslicer blade. Still can’t resaw. I’m convinced the world did not intend for all of us to resaw. (The world would be over-run with re-sawers)(spelling?) I make rocking chairs, so it’s no big deal. p.s. Good luck Elizabeth.

-- Jim from Doniphan

View MrRon's profile

MrRon

2848 posts in 1910 days


#15 posted 04-08-2013 03:02 PM

I’ve heard people refer to less than adequate tools as boat anchors. Actually a cheap lightweight tool does not make a good boat anchor.

View newwoodbutcher's profile

newwoodbutcher

375 posts in 1517 days


#16 posted 04-10-2013 06:03 AM

Elizabeth,
You got me to look closely at the Rikon 18”. Thank you. I bought one today. Will pick it up in the Orange County Woodcraft store tomorrow afternoon.

-- Ken

View Elizabeth's profile

Elizabeth

804 posts in 1810 days


#17 posted 04-10-2013 03:04 PM

I hope you like it! And I hope you have a pickup truck. I had to have mine delivered – and lucky I did, it would never have fit in our van and has a big warning on it saying it has to remain upright and can’t be put on its side. I could see why when I opened it – there isn’t much side padding on the thing.

View newwoodbutcher's profile

newwoodbutcher

375 posts in 1517 days


#18 posted 04-10-2013 04:43 PM

Elizabeth,
I was wondering if I could lay it on it’s side, not for space, I have a big pickup, but for unloading. Guess I’ll have a challange getting it down from the tail gate.
Thank you all again for your thoughtful input.

-- Ken

View Elizabeth's profile

Elizabeth

804 posts in 1810 days


#19 posted 04-10-2013 05:01 PM

Maybe your woodcraft would let you borrow a pallet jack and some straps?

If you have a couple of strong buddies, and some dry weather, you could open the box while it’s on your truck, remove the table (packed separately on the side of the saw) and the wheels to reduce weight, and then strongarm it down. It’s still heavy but without the wheels and table 2-3 strong guys could manage it I think.

My woodcraft guys brought it down off a tilting trailer with a pallet jack, still in the box, and they nearly dropped it. Two guys; one was the dad of the other.

To get it out of the box, pry off one larger side panel and remove the screws around the bottom of the box, and the other three sides will just slide right off. The saw is bolted to the mini-pallet with four easy to remove bolts. You could remove the mini-pallet before unloading it from the truck to save a bit of weight but I’d leave it on for protection against impact and to give people at ground level a good place to grip it.

View Elizabeth's profile

Elizabeth

804 posts in 1810 days


#20 posted 04-10-2013 05:07 PM

Also the saw has a hoist ring attachment if you have access to a hoist. The ring itself is in a brown box of small parts.

View newwoodbutcher's profile

newwoodbutcher

375 posts in 1517 days


#21 posted 04-10-2013 05:35 PM

If it’s on a pallet I have fork lift blades on my front loader. It’s a small tractor but I believe it will lift 400 pounds. If not I’ll have to get some friends to help. Thank you again

-- Ken

View ruel24's profile

ruel24

78 posts in 960 days


#22 posted 04-10-2013 06:00 PM

The difference is simply inertia. It’s like using a light or heavy flywheel on a car. A lighter flywheel will ramp up to speed faster, but also lose its speed faster. A heavier flywheel will ramp up slower, but want to keep propelling you forward. The same goes for aluminum or cast iron wheels. A cast iron wheel will have inertia to slam the teeth of the blade through the object you’re cutting better, therefore be more efficient, in theory, when cutting. The faster that blade moves, the faster the wheels are moving, the more inertia. With lighter wheels, the opposite would be true. Without the inertia, the blade is more likely to bind and burn because the wheels are much easier to slow down or stop.

This same principle happens on your car when you add larger rims. You have greater rotating mass, thus greater inertia, and your brakes are less efficient, making your stopping distances longer.

View Elizabeth's profile

Elizabeth

804 posts in 1810 days


#23 posted 04-10-2013 06:17 PM

Yeah, it’s on a pallet of maybe 2×3 feet, with three compressed-sawdust risers under the solid plywood base.

View Elizabeth's profile

Elizabeth

804 posts in 1810 days


#24 posted 04-11-2013 03:35 PM

Ken, I’m about to post about my new saw in my other thread about bandsaws: http://lumberjocks.com/topics/48331

View Surfside's profile

Surfside

3199 posts in 840 days


#25 posted 04-11-2013 09:24 PM

Cast iron wheels have more mass and better for damping vibration.

-- "someone has to be wounded for others to be saved, someone has to sacrifice for others to feel happiness, someone has to die so others could live"

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