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1:3 Scale Dragster Home Build.

Old 06-14-2014, 12:06 AM
  #1  
ingensomvet
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Default 1:3 Scale Dragster Home Build.

Hello

I Have Wrote almost in every Forum. And the interest of my build is low.
I had hope of a loot of comments.
This Is my Second Large scale build. And the Largest.
I'm Building how I think in my mind how I want it.
And how I want it Maybe ain't Right.

Now I have already a Thread In another part of the forum so I link It and you can comment here.
http://www.rcuniverse.com/forum/rc-d...all-sport.html

I hope for some Response.
Maybe you help me to avoid a major disaster at the first run.

best regards/ Johan Axelsson from Sweden


Build Pictures. Many things are rebuild several times. and my change over time.
http://www.youtube.com/watch?v=zv44L...PYZKI8vrTi-hUg


hobbybygg.blogg.se



Everything is made out of my mind I have used Cad program and some machines like laser, brake press ,Welding machine and hand tools
I have remade things several times. And some things I'm not satisfied with still.
Almost everything Is brand new And after a vile It gets Expensive.


I will update Information here.

The frame are made of pipes 15mm(0.6tum) Diameter with a thickness of 1,5mm(0.1tum)
The Frame is 2.5M long (8.2 feet) Without wings.
and about 3M whit wings (9.8 feet)
I plan to mount Wheelie Bars.
Front and rear wing is 1M Wide and the rear wing Is about 1M up in the air. (3.2 feet)
The wings are made of 1mm(0,04tum) sheet whit aluminium ends

The Engien is 4stroke lincoln 110cc Full automatic 1 gear 12V starter It's a Dirtbike engien.
I have Race CDI to extend RPM curve
Race spark plug
22mm(0.9tum) Mikuni carburetor with funnel.
around 10Hp
I have mounted a gas pump to fill up the carburetor whit return pipe.
Home made Exhaust pipe Even Silencer. whit Wideband o2 sensor and Exhaust Wrapping.


The Gear in front have 18 Tooth and in rear 17.
428 Gears and Chain
I have mount Front weal Disk brake whit home made Disk.

Front Wheel are from skike (Off road in lines?) http://www.skike.se/skike-modeller
Rear Wheel are from Gokart Back wheels 20mm(8tum) Wide

rear axel Is 30mm(1.2tum) Solid

Servos are Savx SA1283SG

Dimensions(mm): 40.8x20.2x37.4
Weight(g): 80.0
Speed(@6.0V sec/60): .13
Torque(@6.0V oz-in): 416.6
Gear: Unique Steel
Bearing: 2BB
Case: Full Aluminum
25 Tooth Spline
Frequency: 250-333hz
Pulse Width Frequency: 1520

Transmither Futaba T8FG

Reciver Futaba R60008HS

Servos are right now powerd from one 5000mAh Batery hoked up to
Turngy RotorStar Dual Power 15A Voltage Regulator

I have 3 Jeti BEC to Reley contorling Pump, Egnition and starter.
The starter Use a standard 8Ah dirtbike battery

Bodywork is made from polyester and fiberglass over corrugated cardboard to gett it stiff.


More info may come.

Last edited by ingensomvet; 06-20-2014 at 12:37 PM.
Old 06-15-2014, 09:57 AM
  #2  
C.lyra
 
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I say go for it!!! Tell us more about your project, engine, frame etc..
Old 06-15-2014, 03:49 PM
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Lars from Norway
 
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Oh yes, more more! Some close up pics would be nice. Looks very good already by the way
Old 06-15-2014, 08:28 PM
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Dirty_Vinylpusher
 
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Hej ingensomvet.
Ex-Svensk hr, numera bosatt i Australien

And yes, we want to see more pictures please!




(Lars and Lyra - no surprise finding you here )
Old 06-16-2014, 12:55 AM
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Mudgy
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Hello,
I am liking what you made. Very very nice.

PM me for servo info , or take a look at my build here
http://www.rcuniverse.com/forum/rc-g...-dragster.html


This one ended up 35kg, and about 8 feet long. So it's close to 1:3 too

Cheers Mudgy
Old 06-16-2014, 08:09 AM
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ingensomvet
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This is 7 out off about 60 Drawings I made.

I don't use the Gear I have 4 different size I don't use.. they Were TO BIG!

Drawing 3 was for fixture

Every Important part like front and rear are mounted whit Fixture
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Last edited by ingensomvet; 06-16-2014 at 08:12 AM.
Old 06-16-2014, 03:30 PM
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Lars from Norway
 
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Mangler bare en fra Finland og en fra Island her n s kan vi ha Nordisk Rd, haha!
Old 06-17-2014, 09:24 AM
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ingensomvet
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I will post more photos Son. They are in a mess some on my phone and some on the computer at different places.



I post this picture 3 because I mounted the contacts today



This 3 BEC are controlling
Pump
Egnition
Starter Relay

And They work whit Futaba HS system. I have bout 4 different models Before i Bout this ones.
Old things dose not work whit my system.


More pictures will come. of almost everything.
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Last edited by ingensomvet; 06-17-2014 at 11:39 AM.
Old 06-19-2014, 02:33 PM
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ingensomvet
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Youtube
.com

There you have some pictures from the build.

have in mind Several things have been change under build time.
Old 07-14-2014, 03:05 PM
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ingensomvet
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I have bean working with the electric. I will take more pictures later on But the thread is not dead



First Test of Electronic and Engine together

http://www.youtube.com/watch?v=NKl2F...ature=youtu.be
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Last edited by ingensomvet; 07-15-2014 at 08:50 AM.
Old 07-22-2014, 01:18 PM
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ingensomvet
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Old 07-30-2014, 12:10 PM
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ingensomvet
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New Update in blogg; Http://hobbybygg.blogg.se

New Update on Youtube. Brake light: https://www.youtube.com/watch?v=m71T...ature=youtu.be
Old 08-24-2014, 10:19 PM
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Great project. You have good build skills ,,look forward to racing video..
Old 08-25-2014, 09:22 AM
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ingensomvet
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It stands reddy for the first test run. But There is many things that need to work together. Weather, Find some ware to drive it, Rent a Covered Trailer big enough for it. Some one how can film It.. we will have to see when I can drive it. I think It will be hard to drive it. The smaller one are Hard to drive. It's simple to give Gas. But to use the brake.... I have already spin some turns whit it. It Didn't Flip. Low Wight But Brake And turn at the same time DON'T work. At slow speed! The problem for me was to short road.

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