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-   -   need help with converting a hyper 7 (https://www.rc-monster.com/forum/showthread.php?t=19324)

whitrzac 03.10.2009 11:48 PM

need help with converting a hyper 7
 
I'm no newb when it comes to RC, but this is my first atempt at converting a 1/8 buggy, and I'm trying to do it cheap:whip:

my gear so far
tekin RS pro esc, with diffrent caps, and an external bec/rx pack
novak HV 4.5 motor
this motor mount
some misc. mg servo that I have laying around:whistle:
true rc 5000 hardcase lipos/protek 4000 lipos/gp3300s:oops::whip:


I only have the esc/batts as of now, but I'm seeing a problem on WTF to put the batts, I origanaly planned on haveing 1 pack on each side, but there too long to fit behind the diff, and too wide to fit on the side of it without riding up on the mudgaurd...:no:

I still want to keep a "saddle" pack layout, but I have no clue on how to mount the batts.:neutral:

I have basic tools to fab some parts up, but I would prefer somthing pre made:whistle::oops:


what kind of preformance/speed/gearing should I be looking at? it probably wont see any track time...

link to the motor
http://www.teamnovak.com/products/br...kits/OFNA7.jpg

mabey somthing like this? http://cgi.ebay.com/NEW-SAVAGE-FLUX-...QQcmdZViewItem

would both of these fit on the chassis at once??
http://www.shopatron.com/product/par...56.35136.0.0.0


just an observation, why does a 32p pinion cost $4, but once its been drilled out to 5mm it costs $10-$15...

lincpimp 03.10.2009 11:57 PM

I did a dual pack Hyper7. Used the rcporoducts designs trays, at 125 bucks each I would say they were a waste of money. You can fit a pair of trays, mot the best way to run them though, for ft to rr balance.

I think the novak trays will fit fine and the price is right...

whitrzac 03.11.2009 12:00 AM

Quote:

Originally Posted by lincpimp (Post 268832)
I did a dual pack Hyper7. Used the rcporoducts designs trays, at 125 bucks each I would say they were a waste of money. You can fit a pair of trays, mot the best way to run them though, for ft to rr balance.

I think the novak trays will fit fine and the price is right...

those were the first ones I looked at and I almost _____ my pants....

lincpimp 03.11.2009 12:27 AM

Quote:

Originally Posted by whitrzac (Post 268833)
those were the first ones I looked at and I almost _____ my pants....

They are pricey and they are way too heavy. I would se the novak trays, or maybe cut down an old emaxx chassis, I did that a few times to fit my hardcase trakpower lipos.

BrianG 03.11.2009 12:34 AM

FYI: Mike can make trays to any size. And even the custom option is cheaper than the Novak trays by a longshot...

sleebus.jones 03.11.2009 08:09 AM

Saddlepacks really aren't needed for balance. I find that the motor on one side and 6S A123 on the other works out just about perfect for me.

whitrzac 03.11.2009 08:10 AM

Quote:

Originally Posted by lincpimp (Post 268837)
They are pricey and they are way too heavy. I would se the novak trays, or maybe cut down an old emaxx chassis, I did that a few times to fit my hardcase trakpower lipos.


I never thaught about the e-maxx chassis....

the way its looking I'll be going with the novak trays


are there any hints you can give to make my converson less painfull?:whip:

what would be the recomended gearing?


also, I'v seen people runing a kyosho plastic spur, whats the advantage of doing that???

lincpimp 03.11.2009 10:44 AM

Quote:

Originally Posted by whitrzac (Post 268883)
I never thaught about the e-maxx chassis....

the way its looking I'll be going with the novak trays


are there any hints you can give to make my converson less painfull?:whip:

what would be the recomended gearing?


also, I'v seen people runing a kyosho plastic spur, whats the advantage of doing that???

The conversion is pretty straight-forward... Just keep an eye on your signal wires, and try to keep them as neat as possible.

I like the plastic spurs as they are much quiter. And if you really stuff it hard, or land very poorly the plastic will give a little, or break, saving the motor... I would rather replace a 4 dollar spur than a motor. Mainly I use the due to the noise...

Recommended gearing is going to be difficult. I would almost suggest going to the 5.5 or 6.5 novak. The 4.5 is a high kv, and it may be difficult to get a small enough pinion to physically fit.

Your motor mount link does not work, what does it look like? How does it position the motor?

lincpimp 03.11.2009 10:47 AM

Quote:

Originally Posted by BrianG (Post 268839)
FYI: Mike can make trays to any size. And even the custom option is cheaper than the Novak trays by a longshot...

The novak trays are less than 30 for the pair... One of Mike's trays costs more than that? Unless i am looking at the wrong thing....

BrianG 03.11.2009 10:50 AM

Oops, I thought you were referring to the trays that were $125...

lincpimp 03.11.2009 11:08 AM

Quote:

Originally Posted by BrianG (Post 268924)
Oops, I thought you were referring to the trays that were $125...

Thats is what I figured. Those trays are nice in the idea of them, but are way too heavy, place the batts too far out and are just a bit too bulky. And they are super expensive!

I would definately suggest Mike's trays to anyone using a larger lipo, as they are sturdy and will offer better protection. I would personally cut down an old emaxx chassis, as he only needs to fit 2s hardcase packs.

whitrzac 03.11.2009 12:57 PM

http://scriptasylum.com/forumpics/hyper8mount1.jpg



^^^
the motor mount


I want to run saddle, not for the balance, but because I think it will work the best with this mount, and I only have 2s lipos for now

enless someone wants to trade strait up, the motor is set in stone, because at $40 I couldn't say no...(yes it has the 5mm shaft)


if I don't go with the kyosho spur, I can have anywere from a 46t through a 52t on it, I think I have a 46 on it now...


I don't think it could be much heavyer, the H7 stock wights 8lbs

rootar 03.11.2009 01:03 PM

id still recomend a pair of trays from mike, they would be the easiest to mount will clear your mudguards and come with straps and all the hard you need.

whitrzac 03.11.2009 04:13 PM

I would buy a set of the rcm ones, but enless someone has a used pair that there willing to sell, I only have enough $$$ for the novak ones :(

lincpimp 03.11.2009 06:36 PM

Hey, for 40 bucks you cannot go wrong!


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