Billet cylinder head

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Dr_C said:
ElSnorro said:
I have zero knowledge of frame building, but just love looking at your work 8) 8)

Keep on posting pics :cheers:
Click to expand...
Then we are very much alike! I haven't either any knowledge of frame building (up to now) and I also love looking at my work! :D
Click to expand...

That got a little giggle out of me. Well that makes three of us then - keep the pictures coming!
 
Amazing...........half a frame and it already looks sexy as hell.

Can't wait to see the next installment :D
 


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what happens to these points under heavy load , dont they "wants" to rotate ? ,do you have something to avoid any possibilities of rotation ? ?

nice job , anyway :wink:
 
Re: Sv: Billet cylinder head

The tubes need to be deformed severely if any rotation should happen. As you can see in my 3D-model, there will be crossmembers helping to fixate upper and lower frame tubes against eachother. Maybe I'm missing your point, but I cannot really see this as a potential problem?

Sent from my so called smart phone with tiny keyboard and annoying auto spell check.
 
nice Dr_C!

I wonder ... are you perhaps, from a purist point of view "cheating" a tiny bit by using that amuninilumin stuff ?

tony foale reckoned if it were any good they would make steel out of it :twisted: :D

but it looks to me like a very practical way to create the complex part of the frame

cheers
Bushie
 
Thanks, Bushie!
Other supermono collegues have built, or had built, steel frames with the sides also in steel boxes. That has allways looked cheap and home made to me. The Aprilia SXV and Dorsoduro impressed me with having different kinds of cast alu sides. So I thought, with the good machinist friend I have, why not try a machined "see through" version! The analyzes showed that the design was stiff enough so... The mtrl for the sides have now arrived and machining the finished product is next! You will be dazzled! :)

Sent from my so called smart phone with tiny keyboard and annoying auto spell check.
 
Sweet Dr C :cheers:

I guess that is Chrome Moly tube you are using? What wall thickness? Will you Tig or MIG weld the joints?
I ask about the welding method because I had read somewhere if you Tig Chrome Moly tube it pays to
normalise the frame when completed where as if you weld with a MIG more heat is introduced to the weld
area and therefore normalising is not nessacery. Something to think about :roll:

Keep the pictures/videos comming. :cheers: :cheers: :cheers:
 
spanner said:
Sweet Dr C :cheers:

I guess that is Chrome Moly tube you are using? What wall thickness? Will you Tig or MIG weld the joints?
I ask about the welding method because I had read somewhere if you Tig Chrome Moly tube it pays to
normalise the frame when completed where as if you weld with a MIG more heat is introduced to the weld
area and therefore normalising is not nessacery. Something to think about :roll:

Keep the pictures/videos comming. :cheers: :cheers: :cheers:
Click to expand...
Thanks, Spanner!
Yes, it is CrMo-tubes. The wall thickness is 1,5mm and I'm welding it together with TIG. If you really needed the full strength of the CrMo-material, you would have to normalize regardless of welding method, I think. Now the stresses in this frame are reasonably low, so there is no actual need to normalize afterwards. Normalizing relieves the stresses, so the structure will change it's shape. That would call for a lot of machining late in the process. Other guys that also has manufactured CrMo-tube frames, say they haven't normalized, or even used backing gas in the tubes when welding. So...

I started to weld today, which is fun work!
 
DR. C:

TOO FUNNY
Awsome work.
You should form a new motorcycle company like when the husqvarna engineers started husaberg.
Or like John Britten or Buell.
 
:D :cheers: :cheers:

I really like the profiling of the tube ends

I was not so clever and used a holesaw in grandads old vertical mill, it was very very slow and wasteful because it doesn't work unless you take a full cut.
 
Funny as ! Love the lathe work, I know a bloke who used a wood router with a tungsten cutter mounted to the tool holder to cut a rebate in a ball race. You should get some sweet bends in the tubing can't wait for the next installments.
 
berglsmerg said:
Funny as ! Love the lathe work, I know a bloke who used a wood router with a tungsten cutter mounted to the tool holder to cut a rebate in a ball race. You should get some sweet bends in the tubing can't wait for the next installments.
Click to expand...

who was that silly ******* ? id never do something like that :twisted:
 
bushmechanic said:
berglsmerg said:
Funny as ! Love the lathe work, I know a bloke who used a wood router with a tungsten cutter mounted to the tool holder to cut a rebate in a ball race. You should get some sweet bends in the tubing can't wait for the next installments.
Click to expand...

who was that silly ******* ? id never do something like that :twisted:
Click to expand...

Beer and firecrackers will do that to ya. :lol:
 
Thanks for the cheering, guys!
That is very good fuel for keeping the pace with this project! :cheers:

I would really love producing a street supermono bike for the ones apprechating low weight, superb handling and a sound that cause goosebumps. There hasn't really been anything close since Yamaha SZR or Gilera Saturno/Piuma or Bimota BB1... "Wake up, Mats!"

That "beer and firecracker" metaphore was quite useful, wasn't it? :D
 
Dr_C said:
Thanks for the cheering, guys!
That is very good fuel for keeping the pace with this project! :cheers:

I would really love producing a street supermono bike for the ones apprechating low weight, superb handling and a sound that cause goosebumps. There hasn't really been anything close since Yamaha SZR or Gilera Saturno/Piuma or Bimota BB1... "Wake up, Mats!"

That "beer and firecracker" metaphore was quite useful, wasn't it? :D
Click to expand...

i think there is also a hole in the market for a desert racebike / adventure bike with the same character, can I test ride it ? ive run out of firecrackers :D
 
Hi DrC :cheers:

I have bent small dia tube by filling them with lead , and melting it out after.

Yes I agree there is a gap in the market for a lightweight single cylinder road racer, I chose the FS because it
was as close as I could get, but must admit it feels ungainly to me on road, but lots of fun anyway :D

Cheers spanner
 
spanner said:
Hi DrC :cheers:

I have bent small dia tube by filling them with lead , and melting it out after.

Yes I agree there is a gap in the market for a lightweight single cylinder road racer, I chose the FS because it
was as close as I could get, but must admit it feels ungainly to me on road, but lots of fun anyway :D

Cheers spanner
Click to expand...
Taking into account the northern latitude I'm at, bending tubes with frozen water inside seems more handy than melting led! :D
 

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