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Author Topic: Honda RS1000 - CB400F Mini Replica  (Read 4058 times)

Offline Rick4004

  • Posts: 73
Re: Honda RS1000 - CB400F Mini Replica
« Reply #30 on: Mar 30, 2019, 19:24:10 »
Well, it happens to the best of us. A wasted afternoon of machining. The front side went OK, when I flipped it over to do the backside I got my datums confused when programming, so the the very first cut you see should have been centered around the drilled hole. DOH!

Sometimes when you screw up you get lucky and catch it before it ruins the part, not this time. The center of the raised area needs to be concentric with the hole. Try again tomorrow.

Offline Rick4004

  • Posts: 73
Re: Honda RS1000 - CB400F Mini Replica
« Reply #31 on: Mar 31, 2019, 14:47:16 »
F**k-up salvaged. I thought about it overnight, and decided I could salvage the part. I re-zeroed the part correctly and finished the machining. I then skimmed another 0.20" off the screwed up tower, machined a 0.25" spacer, and welded it on to the tower. Re-mounted the part in the holding jig, zeroed the cutter at the height of the good tower, and took the approx. 0.05" off the spacer.

All good.

Offline Maritime

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  • Posts: 9806
Re: Honda RS1000 - CB400F Mini Replica
« Reply #32 on: Apr 01, 2019, 08:52:59 »
Nice save.
The GL Rebirth: http://www.dotheton.com/forum/index.php?topic=68337.0
CX500 Low budget Bobber : http://www.dotheton.com/forum/index.php?topic=43617.0
"Beer makes you feel the way you ought to feel without beer" -Henry Lawson
"Beer is proof that God loves us and wants us to be happy." - Thomas Jefferson

Offline Rick4004

  • Posts: 73
Re: Honda RS1000 - CB400F Mini Replica
« Reply #33 on: Apr 24, 2019, 21:20:30 »
Some progress, finished the tail section. (Besides some minor trimming)
This project is actually a filler project. I am still in the process of hammering out the final finish details on another CB400F that has been a long ongoing project.
If this was going to be polished there would still be some more work required filling in some weld marks, but since I am planning on paint a thin layer of filler will suffice.
Time to start on the gas tank, and painting the wheels.

Offline canyoncarver

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  • Posts: 3946
  • 'hacking is learning'
Re: Honda RS1000 - CB400F Mini Replica
« Reply #34 on: Apr 25, 2019, 12:10:32 »
Nice seat.

Offline JustinLonghorn

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Re: Honda RS1000 - CB400F Mini Replica
« Reply #35 on: Apr 25, 2019, 13:14:56 »
Purrdy.
I'm going to eat your brains and gain your knowledge.

Into The Sunset, CB750 build

TT500 the Animal

Offline Rick4004

  • Posts: 73
Re: Honda RS1000 - CB400F Mini Replica
« Reply #36 on: May 07, 2019, 18:16:14 »
I made some more progress. I finished my buck for the gas tank. I tried something new this time, a blending of old technology and new technology. I 3D printed some components of the buck to go along with the MDF sections. I did a quick video to explain.https://www.youtube.com/watch?v=My5Ptr-greY&feature=youtu.be
Not sure why the video is so small?

Offline Rick4004

  • Posts: 73
Re: Honda RS1000 - CB400F Mini Replica
« Reply #37 on: May 07, 2019, 18:20:30 »
Some still shots of the buck, and the patterns laid out on the sheet. 2' x 4' x .080 thick 3003-H14.
Total time into the buck so far is about 10 hours. I got sick of tripping over the tail section buck this week so I sacrificed it to the Gods of Garbage to clean up the shop a bit.

Offline Special K

  • Posts: 29
  • CB400F Coolest Pipes ever!
Re: Honda RS1000 - CB400F Mini Replica
« Reply #38 on: May 07, 2019, 20:25:45 »
You da man!!!
Amazing work Rick, I wish I had your skillz!

Sent from my SM-N960F using Tapatalk


Offline Rick4004

  • Posts: 73
Re: Honda RS1000 - CB400F Mini Replica
« Reply #39 on: May 10, 2019, 09:32:56 »
Thanks Special K. But I don't consider myself as having any more skills than anyone else could if they set their mind to it.

In about 2000 I just decided that I wanted to learn how to TIG weld. The local Lincoln dealer was having an open house, they had a Tig welder setup. I had a quick 5 minute lesson, and was welding. I bought the welder and just started practicing.

The next year I bought a small combination lathe/milling machine that I could get in the basement, and learned how to use it. 5 years later I did my research on the internet and converted it to CNC.

A few years ago I decided I should learn how to work with sheet metal. I used my lathe/mill/welders to build an English wheel, bought some hammers and shot bag, and started to work with aluminum sheet. My first gas tank took 2 years and 3 tries, but on the 3rd attempt I had something.

Now my sheet metal skills are improving and it's really a question of speed. What used to take 3 hours now takes 1 hour, and I continue to find better ways to do things.