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Old 07-10-2009, 10:56 AM   #1
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Default Just acquired an old Tamiya F1 and need to know...

...what the heck kind of a battery fits it. The battery tray is not wide enough to hold a standard 6 cell Nmh or any full size lipo. Is there any upgrade end caps available for it? Or????? I'm kind of sorry I bought it as it's really more of a piece of junk than I expected. The tires are all cracked. I've never seen anything like that...unles the PO used some chemicals on the tires that rotted them. It does have a carbon fiber chassis though.
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Old 07-10-2009, 11:11 AM   #2
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...what the heck kind of a battery fits it. The battery tray is not wide enough to hold a standard 6 cell Nmh or any full size lipo. Is there any upgrade end caps available for it? Or????? I'm kind of sorry I bought it as it's really more of a piece of junk than I expected. The tires are all cracked. I've never seen anything like that...unles the PO used some chemicals on the tires that rotted them. It does have a carbon fiber chassis though.
It should. Maybe you want to post some pictures so we know better.
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Old 07-10-2009, 11:17 AM   #3
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It should. Maybe you want to post some pictures so we know better.
I will as soon as I get a chance.
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Old 07-10-2009, 11:28 AM   #4
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my buddy runs the RM w/ batt tray and his lipos fit right in. I had the LM back in the day and 6 cell was no sweat.
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Old 07-10-2009, 12:03 PM   #5
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If it's old enough, it may take one of these. They pretty much stopped using them around the time of the original grasshopper:

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Old 07-10-2009, 03:33 PM   #6
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OK for those of you that wanted pictures here they are.

BTW can anyone tell me what the pitch of the spur gear is? I know it's not 48. I read somewhere it's 64. If so where can I get pinions? What a nightmare.

Chassis with no bat.


Orion lipo hanging over the end.



Orion lipo jammed into the battery holder. Notice how bent the end piece is. That will break sooner or later.



Nice cracks huh?

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Old 07-10-2009, 03:42 PM   #7
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Nevermind, I don't know what that is. I can tell you it's actually a fiberglass chassis, and not carbon fiber. The white edges give it away. The good news is that the fiberglass texture looks like it could be Tamiya's so there is hope yet...
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Old 07-10-2009, 03:58 PM   #8
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Foam tires will eventually dry rot/crack. You can always remove the old foam and reuse the plastic wheels. You can find foam "donuts" to put over the plastic wheels and have them trued down. I don't know if newer Tamiya F103 wheels will bolt up to those hubs, but they might.

I think the issue you are seeing with the battery compartment is that stick pack batteries used to be shorter when that car was made. The newer NIHM cells were taller that the older NICAD cells that were made when that car was new. Also, it seems that the "stick pack" LIPO batteries are closer in length to the newer NIHM stick packs.

You probably will have to customize the battery compartment or holders to accomodate the newer batteries. You can remove the holders and use strapping tape or velcro on the bottom of the battery to hold it in your car.
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Old 07-10-2009, 04:52 PM   #9
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Is that possibly an old Tamiya Road Wizard?
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Old 07-10-2009, 05:04 PM   #10
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That's an F103. You can tape the battery to the upper deck.
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Old 07-10-2009, 05:06 PM   #11
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Yep after checking mine it has zip ties, it has to be a F103 or 102. Don't know the difference though.
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Old 07-10-2009, 06:43 PM   #12
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F103...
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Old 07-10-2009, 07:02 PM   #13
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Old stick pack NICD's should work. I have a TA03R FRP plate set that had a similar battery holder. It will only fit my old NICD packs. It won't fit my Orion 2400, or any of my other lipos.
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Old 07-10-2009, 11:57 PM   #14
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OK more questions. This thing has a 96 tooth spur gear and it looks mighty fine. What pitch pinion can I use and where can I get one or several? Should I change it out to a different spur that is made for that ball bearing diff that's on it? I don't think Robinson makes a gear to fit.
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Old 07-11-2009, 12:03 AM   #15
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OK more questions. This thing has a 96 tooth spur gear and it looks mighty fine. What pitch pinion can I use and where can I get one or several? Should I change it out to a different spur that is made for that ball bearing diff that's on it? I don't think Robinson makes a gear to fit.
i think its 64 pitch...
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