Author Topic: Made a points cover (Read 2426 times)

Hannibal Smith · « **on:** April 26, 2010, 06:07:05 PM »

I have been machining parts for my CB550 project, here is a points cover I made to replace the stock unit. I kept it simple, and it will cover the electronic ignition.
I cut it from a chunk of 6061-T6 aluminum. It is not polished yet, that is how it looks after coming out of my vibratory tumbler.

davis96 · « **Reply #1 on:** April 26, 2010, 06:18:19 PM »

man that looks nice!.. boy if i had access to that kind of equipment for one day.. I'd be set.
I've been trying to source a simple ring that i can use for my custom points cover for months but have had no luck (as with hand tools it is nearly impossible to hand cut a good-looking circle)

Whaleman · « **Reply #2 on:** April 26, 2010, 06:18:53 PM »

You are very skilled. I wish I had the skill, time and tools to do things like this. Dan

Frostyboy · « **Reply #3 on:** April 26, 2010, 07:03:44 PM »

WOW! Nice work there mate.

jamesb · « **Reply #4 on:** April 26, 2010, 07:12:06 PM »

man that is nice it just don't look right on that engine so i'll buy it from ya (lol) good work you don't know how lucky you are to have access to equipment like that.

bradweingartner · « **Reply #5 on:** April 26, 2010, 08:42:26 PM »

Thats exactly what I need to hide a 12-1 trigger wheel behind the points cover. Except with a boss for a hall sensor built in...

754 · « **Reply #6 on:** April 26, 2010, 10:59:27 PM »

Very nice, is it done by hand or CNC?

Davis you should be able to cut a good circle if you got a drill press.. we can help.. if part has a center hole its pretty easy..

Ayrity · « **Reply #7 on:** April 27, 2010, 03:24:14 AM »

hey now that looks great! if you want to make me a cover, I would be your best friend! (and pay you haha)

cookindaddy · « **Reply #8 on:** April 27, 2010, 04:22:54 AM »

Hannibal: Very very nice work!

I wondered if you had come up with an improvement for the silly cork washer that is supposed to seal the periphery of the cover? While yours looks better than the original pressed cup, it still needs to have a seal to keep out the moisture. I have replaced my cork washer several times now and the da#* thing just curls up in there and provides no sealing at all.

I was thinking to bond the next one I get to either the engine hub or the inside of the cup so that it stays put.

What are your thoughts?

Hannibal Smith · « **Reply #9 on:** April 27, 2010, 08:24:16 AM »

Quote from: cookindaddy on April 27, 2010, 04:22:54 AM

Hannibal: Very very nice work!

I wondered if you had come up with an improvement for the silly cork washer that is supposed to seal the periphery of the cover? While yours looks better than the original pressed cup, it still needs to have a seal to keep out the moisture. I have replaced my cork washer several times now and the da#* thing just curls up in there and provides no sealing at all.

I was thinking to bond the next one I get to either the engine hub or the inside of the cup so that it stays put.

What are your thoughts?

I machined the gasket shoulder full width, and used a modern gasket, the old factory stuff just sat on that tiny lip (because the part is stamped) and mine was in tatters too. I want easy on/off so that I can do my service intervals and timing stuff without getting a new gasket every time.

Hannibal Smith · « **Reply #10 on:** April 27, 2010, 08:28:24 AM »

Quote from: 754 on April 26, 2010, 10:59:27 PM

Very nice, is it done by hand or CNC?

Davis you should be able to cut a good circle if you got a drill press.. we can help.. if part has a center hole its pretty easy..

Did it on the CNC, but the goal is to make it look 1970's and not "too CNC", I don't like obviously modern parts on these bikes, they look out of place IMO. If I roughed it up, it could pass for a casting (at least that was the goal!).

cookindaddy · « **Reply #11 on:** April 27, 2010, 08:29:03 AM »

Hannibal, Thanks.

When you say modern gasket, is it a standard item available somewhere that might fit the old stamped cover? What you show in the picture looks like it might be rubber or neoprene? Did you bond it in place or is it loose?

Are you going to be offering your part for sale or are you just telling us about it to make us all jealous?

Hannibal Smith · « **Reply #12 on:** April 27, 2010, 08:38:44 AM »

Quote from: cookindaddy on April 27, 2010, 08:29:03 AM

Hannibal, Thanks.

When you say modern gasket, is it a standard item available somewhere that might fit the old stamped cover? What you show in the picture looks like it might be rubber or neoprene? Did you bond it in place or is it loose?

Are you going to be offering your part for sale or are you just telling us about it to make us all jealous?

The gsket will be bonded within the cover, and it came with my "Athena" gasket kit, it appears to be 90% neoprene with 10% cork, not like the 90% cork that I found in the old cover. If this gasket gets tattered, I will just make my own from neoprene sheet (easy).

Even a new gasket in the old cover doesn't stand a chance, the shoulder is just too small.

Nothing for sale, just having fun at night!

69modelj · « **Reply #13 on:** April 27, 2010, 04:17:50 PM »

I'd bet you could machine a groove for an o ring instead of gasket too, eh? Very nice indeed...

davis96 · « **Reply #14 on:** April 28, 2010, 07:02:40 PM »

Quote from: 754 on April 26, 2010, 10:59:27 PM

Very nice, is it done by hand or CNC?

Davis you should be able to cut a good circle if you got a drill press.. we can help.. if part has a center hole its pretty easy..

Wish I did have a drill press, but I'm at school and I've had the pleasure of building my whole bike with hand tools... But I am a nerd so I drew up what i'd like to make.. maybe I'll make a new post about it and see if someone with appropriate equipment could easily make something like this

754 · « **Reply #15 on:** April 28, 2010, 07:53:07 PM »

You will need a hand drill, better be electric..
and have, or have access to a saw and sander.

davis96 · « **Reply #16 on:** April 28, 2010, 07:55:41 PM »

Quote from: 754 on April 28, 2010, 07:53:07 PM

You will need a hand drill, better be electric..
and have, or have access to a saw and sander.

I have got a hand drill, but short of finding hole saws for the inner and outer edges whose sizes are the exact and unusual dimensions I need, it wouldntbe all that helpful. Not to mention getting the countersinks right etc...

754 · « **Reply #17 on:** April 28, 2010, 08:03:50 PM »

I dont see a countersunk there.. do see counterbores.. those can be done with a drill.

Hole saws, that would be too easy.. carefull layout, cutting and fitting & Work....will get you there..

How big is it, what is it ?

davis96 · « **Reply #18 on:** April 28, 2010, 09:04:56 PM »

Quote from: 754 on April 28, 2010, 08:03:50 PM

I dont see a countersunk there.. do see counterbores.. those can be done with a drill.

Hole saws, that would be too easy.. carefull layout, cutting and fitting & Work....will get you there..

How big is it, what is it ?

sorry for the thread jack hannibal

, but its a trim/retaining ring for a lexan window on the points cover... its like 4" OD, 3"ID... feel free to PM me if you have any advice. thread jack concluded

754 · « **Reply #19 on:** April 28, 2010, 09:21:36 PM »

You can make this by hand, if you really want to.. its time & effort. Lots of people started out making things by hand...

You got to decide... do you want to be the Kiwi that took his old Indian to the Salt Flats..

or.. do you want to be the guy that had the phenomenal Lemon Tree?

Hannibal Smith · « **Reply #20 on:** April 28, 2010, 09:51:48 PM »

Quote from: 754 on April 28, 2010, 09:21:36 PM

You can make this by hand, if you really want to.. its time & effort. Lots of people started out making things by hand...

You got to decide... do you want to be the Kiwi that took his old Indian to the Salt Flats..

or.. do you want to be the guy that had the phenomenal Lemon Tree?

I started my business with hand tools and a Frankensteined 1970's Bridgeport mill and made stuff that even today I am amazed at how nice they came out. CNC's just came with the territory later. In fact, I try not to get the "CNC" look from the parts I make for my older toys, handmade stuff actually looks better to the trained eye!

My points cover detail is round for instance, just like someone could turn on their old shop lathe in the 70's.................the fastener recesses are indented at the base, just like a casting would. My custom front end is also done 70's style-

kevins750 · « **Reply #21 on:** April 28, 2010, 10:03:30 PM »

Quote from: davis96 on April 28, 2010, 09:04:56 PM

Quote from: 754 on April 28, 2010, 08:03:50 PM
I dont see a countersunk there.. do see counterbores.. those can be done with a drill.

Hole saws, that would be too easy.. carefull layout, cutting and fitting & Work....will get you there..

How big is it, what is it ?

sorry for the thread jack hannibal , but its a trim/retaining ring for a lexan window on the points cover... its like 4" OD, 3"ID... feel free to PM me if you have any advice. thread jack concluded

That is pretty much how I did mine..http://forums.sohc4.net/index.php?topic=68895.0

davis96 · « **Reply #22 on:** April 29, 2010, 12:40:56 PM »

Quote from: kevins750 on April 28, 2010, 10:03:30 PM

Quote from: davis96 on April 28, 2010, 09:04:56 PM
Quote from: 754 on April 28, 2010, 08:03:50 PM
I dont see a countersunk there.. do see counterbores.. those can be done with a drill.

Hole saws, that would be too easy.. carefull layout, cutting and fitting & Work....will get you there..

How big is it, what is it ?

sorry for the thread jack hannibal , but its a trim/retaining ring for a lexan window on the points cover... its like 4" OD, 3"ID... feel free to PM me if you have any advice. thread jack concluded
That is pretty much how I did mine..http://forums.sohc4.net/index.php?topic=68895.0

Exactly! that was my impetus for making one for myself

funkdr5 · « **Reply #23 on:** July 12, 2010, 01:17:39 PM »

Are you kidding! That is sweet! Can we see the whole bike?

News:

Author Topic: Made a points cover (Read 2426 times)

69modelj