RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and others  
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    • All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC On Road Nitro Cars >> RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and others
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    RE: OFFICIAL RS4 RTR 3 thre... - 4/11/2008 11:22:38 PM   
    ferrarimk13



    Posts: 3540
    Joined: 12/17/2005
    From: Staten Island, NY, USA
    Status: offline     		thanks. Gyn, i dont get it, im not all to great with the technical stuff, but you found the same frequency to control the servo? sweet.

    _____________________________

    press Alt+F4 for a good time.

    (in reply to phoenex1)
           Post #: 4101

    RE: RS4 SS - GPM Parts - 4/12/2008 12:48:33 AM   
    Traxxassss fast!!!


     

    Posts: 185
    Joined: 6/5/2006
    From: Endicott, NY, USA
    Status: offline     		Ok thats sounds cool,i have the rs4 rtr .15 also,but my new one,well a couple yrs old is my 4-tec 3.3

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    (in reply to Allan Aguilar)
           Post #: 4102

    RE: OFFICIAL RS4 RTR 3 thre... - 4/12/2008 1:38:46 AM   
    GYNAIKAS



    Posts: 3610
    Joined: 9/14/2006
    From: Athens/Patras, GREECE
    Status: offline
    quote:

    ORIGINAL: ferrarimk13

    thanks. Gyn, i dont get it, im not all to great with the technical stuff, but you found the same frequency to control the servo? sweet.


    Yes I found the frequencies needed and now I'm designing a super small controlable pulse generator that I intend to control from the piezo-gyro outup signal.

    _____________________________

    I simply love perfection...do something as good as you can or don't do it at all...

    (in reply to ferrarimk13)
           Post #: 4103

    RE: OFFICIAL RS4 RTR 3 thre... - 4/12/2008 1:43:10 AM   
    phoenex1



    Posts: 78
    Joined: 4/18/2006
    From: Melville, NY, USA
    Status: offline     		You're gonna do what?? It's cool that you are going to make it super small but what are you going to control the pulse generator with and------------------ what is a pulse generator????? Just curious but, the video was cool

    (in reply to GYNAIKAS)
           Post #: 4104

    RE: OFFICIAL RS4 RTR 3 thre... - 4/12/2008 2:11:42 AM   
    GALAXY



    Posts: 1338
    Joined: 4/21/2003
    From: Gainesville, FL,
    Status: offline     		Hey everyone,long time! I just recently started driving my RS4 3 SS with the HPI .12 still in it again and its still fun as hell! I stepped it up from 20% to 30% O'Donnel racing fuel with an OS A5 plug and it seems to scream pretty good...enough that I almost tore a tire off the rim and had to swap to the stock X-pattens which I found out work better on my road.

    Aside from all that fun,another thing thats fun is new parts! I got my new OS .18 today and thats what I'll be putting on the new chassis (chassis pic to come) along with the Venom smart temp fail safe.It will by no means be some super expensive monster build but it will have a nice engine and I think that will go well with the rest of the parts I've collected and put on the car over time.I'll get pics of the car in its current state as well as the new chassis tomarrow so everyone can see what I'm talking about but for now,heres some new parts!!!





    _____________________________

    Breakin out the old car with a new motor and more nitro!!!

    (in reply to GYNAIKAS)
           Post #: 4105

    RE: OFFICIAL RS4 RTR 3 thr... - 4/13/2008 12:26:16 AM   
    ferrarimk13



    Posts: 3540
    Joined: 12/17/2005
    From: Staten Island, NY, USA
    Status: offline     		congrats, thats a great motor upgrade, and youll be satisfied with it. How come all the posts from earlier today got deleted?

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    press Alt+F4 for a good time.

    (in reply to GALAXY)
           Post #: 4106

    RE: OFFICIAL RS4 RTR 3 thr... - 4/14/2008 12:28:23 PM   
    GALAXY



    Posts: 1338
    Joined: 4/21/2003
    From: Gainesville, FL,
    Status: offline     		Forums were down for maintainence...I couldn''t even get on the last 2 days.

    Thanks for the reply,I know that engine is discontinued but I saw it at the hobby shop and had to snag it,I upgraded alot of parts on the car and never bothered to replace the engine so it''s time,haha.

    Heres a couple pics of the car before teardown so you guys can see what I have without going back to page 30 of this thread...





    I could just swap that motor in and break it in but I''m gonna de-anodize all the purple off the aluminum and completly rebuild it on another chassis I made a few years ago...





    Plenty more pics to come in the next week!!!

    _____________________________

    Breakin out the old car with a new motor and more nitro!!!

    (in reply to ferrarimk13)
           Post #: 4107

    RE: OFFICIAL RS4 RTR 3 thre... - 4/14/2008 12:34:06 PM   
    GYNAIKAS



    Posts: 3610
    Joined: 9/14/2006
    From: Athens/Patras, GREECE
    Status: offline
    quote:

    ORIGINAL: phoenex1

    You''re gonna do what?? It''s cool that you are going to make it super small but what are you going to control the pulse generator with and what is a pulse generator????? Just curious but, the video was cool



    Yes I''m gonna do that! The pulse generator is gonna be controlled by a signal generated from a piezoelectric gyroscope according to the yaw angle of the car (rear end slide). A pulse generator is an integrated circuit using the Lm555 timer (that''s the one I designed) in order to produce pulses of specific duration and distance between them.

    _____________________________

    I simply love perfection...do something as good as you can or don't do it at all...

    (in reply to phoenex1)
           Post #: 4108

    RE: OFFICIAL RS4 RTR 3 thre... - 4/14/2008 6:14:14 PM   
    maoy


     

    Posts: 252
    Joined: 7/24/2007
    From: long beach, CA, USA
    Status: offline     		Hey Gynaikas, sounds like you are an engineer? If so, how long have you been in the field? Electronics Engineer or Computer Engineer? I will be graduating by the end of this year as a Computer Engineer. I want to know how is Engineering Work over in Greece?

    Listen to this, I had a buddy who graduated from Electronics Engineer a couple of trimesters ago and he built an autonomous drag car. He used a Tmaxx and interfaced it with the HCS12 microcontroller. Without his system, his car would wheely everytime he gives it gas but when he turns his system on, the car will drag straight forward without wheeling or flipping over. It was a good system, I just wished I saved his video.

    Also, please let me know if you guys find any pinion gears larger than 23t that will fit my NRS4. My car only does between 60 and 70 but I want it to do 80. The engine has tons of power so I am not worry about gearing it very tall.

    (in reply to GYNAIKAS)
           Post #: 4109

    RE: OFFICIAL RS4 RTR 3 thr... - 4/14/2008 7:35:46 PM   
    GYNAIKAS



    Posts: 3610
    Joined: 9/14/2006
    From: Athens/Patras, GREECE
    Status: offline     		I have 1 more year of studies before I get my master. So when june comes I''ll have completed 6full years in the field. Well my university "school" is called Department of electrical engineering and computer technology. So It''s both electronics and computers. I''ve chosen my master at Systems and automatic control. The anti-wheelie sensor is EXACTLY the same thing as the AVCS I want to make but it measure''s the angle of Z axis instead of Y axis and also moves the throtle servo/speed control insted of the steering servo. Yaw angle control is more tricky though...cause when car steers normally there''s an angular velocity detected but no sliding...and there''s my major problem. When I solve this the D box will be complete in less than 4days extra.

    Unfortunately HPI doesn''t make bigger pinion than the one you mentioned...

    _____________________________

    I simply love perfection...do something as good as you can or don't do it at all...

    (in reply to maoy)
           Post #: 4110

    RE: OFFICIAL RS4 RTR 3 thr... - 4/14/2008 11:22:16 PM   
    ferrarimk13



    Posts: 3540
    Joined: 12/17/2005
    From: Staten Island, NY, USA
    Status: offline     		galaxy, what is that chassis for? if its for the RS4, where did you get it, it looks sweet.

    _____________________________

    press Alt+F4 for a good time.

    (in reply to GYNAIKAS)
           Post #: 4111

    RE: OFFICIAL RS4 RTR 3 thr... - 4/15/2008 3:57:37 AM   
    viper6913



    Posts: 20
    Joined: 11/11/2006
    From: LRAFB, AR, USA
    Status: offline     		got a problem. my rs4 3 ss went run away today. its got new batts (AA's) and servos and everything seem to be in good working order. any suggestions. ive got a tower hobbies 2txp transmitter and 2 TH std ts-53 servos. everything else is stock.

    < Message edited by viper6913 -- 4/15/2008 4:09:16 AM >