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RE: Scania - 5/3/2008 8:53:40 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		The Build begins. Started with the servos 1st.


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RE: Scania - 5/3/2008 9:58:25 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		Now onto the chassis build.

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RE: Scania - 5/3/2008 10:01:06 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		I must say the solid chassis frame is making me excited. Look at the immaculate drilling and it's precision. Lots of screwing to be done

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RE: Scania - 5/3/2008 10:03:19 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		Last few photos of the chassis building up. The fit is really spot on. If only all the parts were metal

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RE: Scania - 5/3/2008 10:45:59 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		Hey guys feel free to chip in. Any present or past Scania builders, do chip in and post your tips and tricks on your buildup and photos too.

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RE: Scania - 5/4/2008 2:00:18 AM   
R/C fan-addict



Posts: 3585
Joined: 12/4/2005
From: Belmont, MA, USA
Status: offline 		oohhhh now I want to get a semi!!!! What color are you painting the body? You should totally get the reefer trailer, but it sure is pricey...

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RE: Scania - 5/5/2008 2:40:47 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		You won't regret getting one I assure you. They are really well built and thought out.

I might go with a metallic blue.

The reefer trailer is nice but too pricey for me.

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RE: Scania - 5/5/2008 3:30:07 AM   
takzi


 

Posts: 116
Joined: 5/19/2006
From: Hong Kong, HONG KONG
Status: offline
quote:

ORIGINAL: astroboycp

Last few photos of the chassis building up. The fit is really spot on. If only all the parts were metal


Hi astroboycp

Nice build,

But i would suggest you to modify the servo placement different from the manual. The current config is using an extra steering rod and an extra pivot point to link up the whole steering sytem, this config is not the most efficient according to my past experience. The downside of this config is that the power transferred from the servo to the wheel has decreased due to the extra linkage, and the original geometry of this config also limits the steering angle,

You can try to modify the steering like the other 3 axle tractor, their steering servo and shifting servo are located at the front sitting side by side to each other, i will try to put some pics tonite for you, this will enlarge the steering angle and can allow you to perform some real parking simulation!!



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RE: Scania - 5/5/2008 3:42:59 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		Hi takzi, thanks for the valuable advice. Will await for your photos.

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RE: Scania - 5/5/2008 3:56:22 AM   
takzi


 

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From: Hong Kong, HONG KONG
Status: offline
quote:

ORIGINAL: astroboycp

Hi takzi, thanks for the valuable advice. Will await for your photos.


Sure!

Bunch of us from Hong Kong actually run these semi on street on a weekly basis, so we have alot of rael mileage on our trucks~~~

Perhaps another advise is to use the thread lock while installing the chassis. Some of the guys has screws coming off from the main chassis during their runs, and that is something you dont want to happen on your truck~~

And it would be best to test drive the gearbox and other mechnical unit once the chassis is complete. Any modification (e.g. steering, stiffening the suspension for heavy load carrying, etc) should be done at this stage, the body should always be the last part to go on the truck~

Ideally, the gearbox may not be shifting very smoothly at the beginning, but it should be OK after a few pack of batteries when the shafts and joins starts to fit themselves in~

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RE: Scania - 5/5/2008 4:07:06 AM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		So far I've only used thread lock on those specified areas as according to the manual. You've got me thinking, now I would go back and recheck every possible screws and apply threadlocks on those too.

Another great tip.

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RE: Scania - 5/5/2008 7:37:30 AM   
lee172



Posts: 3152
Joined: 9/20/2006
From: Midlands, UNITED KINGDOM
Status: offline 		the only metal to metal contact i wouldnt use threadlock on, is grub screws, as if they round off AND are also threadlocked, you aint never getting it off without ruining the pinion, on mine ive used it everywhere else where there is metal to metal contact.

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RE: Scania - 5/5/2008 3:31:37 PM   
astroboycp



Posts: 421
Joined: 8/13/2006
From: , SINGAPORE
Status: offline 		Ok another set of photos on the original steering buildup. However, I will probably change it later as I am awaiting for the tip from takzi on a better steering setup.

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RE: Scania - 5/5/2008 4:57:53 PM   
takzi


 

Posts: 116
Joined: 5/19/2006
From: Hong Kong, HONG KONG
Status: offline 		OK..Here we go..

There are no text book answer to how you modify the steering config, but as long as it works that the inner wheel is turning greater than the outer wheel...then its fine, otherwise you will find your truck steering did turn but the truck still goes forward.....

This is just my way of doing the steering, it was modified form an original Tamiya FH12 chassis~
1) I m