RCCrawler Forums

LorenzoZ · 07-19-2009, 02:39 AM

Someone Know if HPI GRU will fit in a R2HD trans ?

thank you ! :?

yes it would be slow i know ...
(i want it to be as fast as a Ant)

constantmotion · 07-20-2009, 06:35 AM

I am sure that it will. It just bolts straight up like a regular motor.

super mud · 07-23-2009, 08:38 PM

Quote:

Originally Posted by LorenzoZ

(i want it to be as fast as a Ant)

For like 10 sec I was like "If he wants it to be as fast as an ant, why does he want a low gearing???" and then I was like, Oh cause ants are slow duhh. The word fast threw me off lol

pantablo · 07-23-2009, 08:49 PM

the R2 is already as slow as having a gru, lol...

LorenzoZ · 07-24-2009, 03:14 PM

Thanks for the replys, maybe im not being clear on what im looking for

this is exactly the speed i want to reach
http://www.youtube.com/watch?v=U05cef3fOLk

thats why in the other thread i asked this
Total Gear Ratio ( Total Gear Ratio )

BigSki · 07-24-2009, 09:45 PM

in the first vid, at 2:57 you get a quick shot of the underside, and if you pause it you can see that it looks like an R2 in there, it's definately not a bruiser 3 speed.

If you were to run a 65T with a 10T pinion gear, it would be that slow with the R2 tranny.

super mud · 07-24-2009, 10:24 PM

That truck is slower than an ant :?

LIKES2CRAWL · 07-25-2009, 12:04 PM

That is just pointless!

Nate08 · 07-30-2009, 11:48 AM

It'll bolt up just fine, with some filing they'll even bolt up to an R2D. But....like everyone has said you're going to be going far slower than you think when you mate the R2 with the 7:1 reduction in the hpi gru

Kranberry · 07-31-2009, 05:12 PM

Quote:

Originally Posted by LIKES2CRAWL

That is just pointless!

x2. the r2 is slow enough. if that guy in the vid had some wheel speed he would of made it the first time

07-19-2009, 02:39 AM	#1
LorenzoZ Quarry Creeper Join Date: Oct 2007 Location: Ranch Posts: 240	HPI gear reduction unit on R2HD trans Someone Know if HPI GRU will fit in a R2HD trans ? thank you ! :? yes it would be slow i know ... (i want it to be as fast as a Ant)

07-24-2009, 03:14 PM	#5
LorenzoZ Quarry Creeper Join Date: Oct 2007 Location: Ranch Posts: 240	Thanks for the replys, maybe im not being clear on what im looking for this is exactly the speed i want to reach http://www.youtube.com/watch?v=U05cef3fOLk thats why in the other thread i asked this Total Gear Ratio ( Total Gear Ratio ) Last edited by LorenzoZ; 07-24-2009 at 03:17 PM.

07-20-2009, 06:35 AM	#2
constantmotion On the lookout for Rocks Join Date: Mar 2006 Location: Monroe, Louisiana Posts: 3,711	I am sure that it will. It just bolts straight up like a regular motor.

07-23-2009, 08:49 PM	#4
pantablo I wanna be Dave Join Date: Aug 2007 Location: santa monica Posts: 3,687	the R2 is already as slow as having a gru, lol...

07-24-2009, 09:45 PM	#6
BigSki I wanna be Dave Join Date: May 2008 Location: Baltimore Posts: 4,442	in the first vid, at 2:57 you get a quick shot of the underside, and if you pause it you can see that it looks like an R2 in there, it's definately not a bruiser 3 speed. If you were to run a 65T with a 10T pinion gear, it would be that slow with the R2 tranny.

07-24-2009, 10:24 PM	#7
super mud Quarry Creeper Join Date: Jun 2008 Location: Hell Posts: 399	That truck is slower than an ant :?

07-25-2009, 12:04 PM	#8
LIKES2CRAWL I wanna be Dave Join Date: Jun 2005 Location: KENNEWICK, WA Posts: 2,513	That is just pointless!

07-30-2009, 11:48 AM	#9
Nate08 Rock Crawler Join Date: Jul 2008 Location: Port Angeles Posts: 656	It'll bolt up just fine, with some filing they'll even bolt up to an R2D. But....like everyone has said you're going to be going far slower than you think when you mate the R2 with the 7:1 reduction in the hpi gru

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Thread: HPI gear reduction unit on R2HD trans