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Made a set of adjustable weights

B

Brock

Well-Known Member
Messages
2,044
Location
Ontario
Country
Canada
Years Snowmobiling
30+
Snowmobile
Polaris
IMAG0788.jpg
I used a set of 68 gram epi's . I have 1.1 gram magnets to use(very very strong).

I got my buddy to machine these. The holes are recessed 0.025" to accept magnets(just enough to hold in place)

The base weight with 3 holes recessed are now 67 grams. Now I can add 1.1 gram of weight in the heel,mid or tip. This is easy to adjust on trail.

I'm trying them this winter.:DRockon
 
Nice work Brock but I simply would not trust any magnet weights.
 
racerdave said:
Nice work Brock but I simply would not trust any magnet weights.
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Hahaha, yes, true enough.

Bikeman is doing it. They say they hold no problem, we'll see???

I tried this on a set of weights I don't use. I'm gonna test them this winter and see what happens. If the magnets fall out. I'll fill the holes with welds again and grind to 68 gram as they were.
 
My concern is the damage those magnet could do coming off at 8,000+ rpm. I am just like that. Not trying to discredit your work.
 
I have ran d&d magnet weights in my car turbo at 33lbs of boost.
All my busddies are running them in there 600hp turbo some of the strokers are spinning over 10,000 tons and they been running magnetic weights for years and never heard of an issue.

Brock most have a pilot hole through so you can stick a pick or small screw driver through to remove the magnet.
 
Pro116 said:
I have ran d&d magnet weights in my car turbo at 33lbs of boost.
All my busddies are running them in there 600hp turbo some of the strokers are spinning over 10,000 tons and they been running magnetic weights for years and never heard of an issue.

Brock most have a pilot hole through so you can stick a pick or small screw driver through to remove the magnet.
Click to expand...
That's good to hear.
I would think centrifugal force would help keeping the magnets in as well??

I have to use a small precision screw driver to remove the magnets. There strong.

I'm going to try what I've done. If it works, I'll be happy. If not. I'll fill the holes with weld again and grind smooth. No biggie
 
Brock, do those EPI 68's have the the same shift profile and weight distibution as Polaris 10-68 weight?
 
coryatver said:
They look good. I have used D&D ones but there magnets go all the way down in a recess.
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The magnets are 0.120" thick. If I was to take out that much material from the weight itself, I would replace it with a magnet and be basically at the same weight again?? I just don't see the point in that. I get what your saying though.
The only weigh that would work for me is to start with a heavier base weight.
The recessed holes are just to keep magnets in place(no sliding)
 
racerdave said:
Brock, do those EPI 68's have the the same shift profile and weight distibution as Polaris 10-68 weight?
Click to expand...
Yes, the new epi's do. There so close to the 10 series weights .
The older belly busters had a more aggressive profile.
I have a set of epi belly busters from 5 years ago and some from 10 years ago. Way different profiles from the 2.
False advertising if you ask me. Epi still calls them belly busters , but there nothing like they used to be.
I didn't get a letter saying they changed the profile, did anyone???
 
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These did not work. Magnets need to be on the side
 
Curious what problem they have?
 
Michael said:
Curious what problem they have?
Click to expand...
The magnets didn’t hold to the underside. Didn’t take long either
Needs to be on thrust or trail side of weight .

Oh well. Just an experiment
 
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