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-   -   My CRT.5 conversion (https://www.rc-monster.com/forum/showthread.php?t=6417)

NiCad 06.17.2007 12:51 PM

Quote:

Originally Posted by IBJAMMIN
Yes the knuckles are stock. :)

I assume that the stock knucks are plenty stout. I use the stock knuckles on my rc18 with alloy c hubs seems to be the tightest fit, yet remaining smooth operation. Is this a similar case here?

Later,
NiCad

Dafni 06.17.2007 12:53 PM

Thank you Skellyo!

IBJAMMIN 06.17.2007 01:16 PM

The Proline buggy 2.2 wheels have to much of an offset to fit they hit the lower a arms the 2.2 Asc truck wheels need a little triming on the ribs inside the wheel to clear when turning I have not ran the larger truck tires because I dont think the steering servo can handle them I burned up a servo with the Jaco RC10t foams already to much grip I guess?

I have broken 2 rear hubs and cracked the dust shield on the front C hubs the steering knuckles have held up fine though that and the brittle ball ends are the only weak spots I have found in the CRT.5. :)

NiCad 06.17.2007 02:00 PM

How often you run yours IBJAMMIN?

IBJAMMIN 06.17.2007 02:08 PM

On average about a pack or 2 a week?

I just saw on Nitrohouse more upgrade part's are starting to show up for the CRT.5 White wheels and wing's a new CNC chassis and some new high downforce wing's are avalable. :027:

NiCad 06.17.2007 02:22 PM

The wings are nice looking.

Just ordered the following........the pinion size was he smallest hardened he had instock. Figure a couple extra mph won't be all bad. ;)

Product ID: 5mmmod1pinion
Product Name: 5mm bore, mod1 pitch pinion
Quantity: 1
Unit Price: $12.00
> > > pinion size - mod1 -5mm : 16 tooth hardened steel (+$4.00)
--------------------------
Product ID: rcmcrt.5mm
Product Name: CRT.5 Electric motor mount adapter
Quantity: 1
Unit Price: $35.00
--------------------------
Product ID: RCMBReducer
Product Name: Bore reducer for 5mm bore pinions
Quantity: 1
Unit Price: $5.00
> > > Bore reducers : 1/8" shaft



Now need to get a the battery. 3s lithium, thinking 3800 APOGEE MAGNUM. I run the 1000 mah packs in my B/L Detta ST.

IBJAMMIN 06.17.2007 09:52 PM

I went with the 4000mah 3s Maxamps pack and would recomend the 5000mah pack or a 100amp constant pack the 4000 at 80amp constant gets a little warm and has melted the shrink wrap a little on the end? I believe it needs a little more amp capacity? This was with the foams running on the street road racing and geared to run near 60mph speeds though.:005:

NiCad 06.17.2007 11:38 PM

I will def take the advice and go 5000 mah or more, nothing like a little extra run time. Did you happen to check weights of parts for balancing the chassis? I am the type a few grams not going to show itself in a 4 lb truck! ;)

nitro28 06.18.2007 12:00 AM

I have one of the 6000mah 2s lipos from maxamps and it is quite nice. Its interesting how many people from one18th.com are now on this site. I love my rc18t, but I am hoping the crt .5 will be a little more stable at full speed.

NiCad 06.18.2007 12:14 AM

Quote:

Originally Posted by nitro28
I have one of the 6000mah 2s lipos from maxamps and it is quite nice. Its interesting how many people from one18th.com are now on this site. I love my rc18t, but I am hoping the crt .5 will be a little more stable at full speed.

FWIW I have been wrining my Detta St out with the permax and quark. I am sitting on GRP 30mm foams. This thing is sooooo stable at speeds it is unreal. I plan to get some alloy shocks and then lower the stocks for speed runs. Also got a 3s to try been running the 2s packs. I am saying 35-40 mph right now prob close to 40 mph, I say this I ran a car down on my road speed limit is 35. I caught it with ease. As well the permax makes hardly any heat. I got some gearing to try on the 2s first.

anyway for a stable excellent 1/18th ride look at the Detta ST, it is def similar to the CRT.5. This is why I had to have the CRT.5, my 1/8th scale buddies will not be running this thing over as easy as the ST! That is if they can even catch the CRT.5 when it hits the dirt.

silentbob343 06.18.2007 05:40 AM

Quote:

Originally Posted by nitro28
I have one of the 6000mah 2s lipos from maxamps and it is quite nice. Its interesting how many people from one18th.com are now on this site. I love my rc18t, but I am hoping the crt .5 will be a little more stable at full speed.

heh I just want something that can handle a powerful BL setup without stripping diffs/pinions/etc. The minquake and detta are good to a point, but I think a .5 CRT will be my next RC.

BlackedOutREVO 06.25.2007 02:55 AM

anyone thinking of using those new 30's series proline wheels and tires? they look sweet! and should IMO be perfect size, just need a bigger wing and this thing should look SWEET!!!!!!!!

i think i may be back on at a crt .5,, that or another onroader to race, but i NEED a basher, already have the 5700kv and mm esc waiting for something lol... so i mite

IBJAMMIN 06.25.2007 11:05 AM

The larger wheels and tires may be a problem with the mini steering servo? I fried 1 servo running the Jaco Associated truck foams I'm not sure if it was a bad servo or too much traction with the foams that killed it? I replaced the servo and have not ran the foams and there has been no more servo problems. :)

BlackedOutREVO 06.25.2007 01:25 PM

Quote:

Originally Posted by IBJAMMIN
The larger wheels and tires may be a problem with the mini steering servo? I fried 1 servo running the Jaco Associated truck foams I'm not sure if it was a bad servo or too much traction with the foams that killed it? I replaced the servo and have not ran the foams and there has been no more servo problems. :)


hmmm idk, was it a hi tec?

those do that, futaba servos dont do that, there much better quality

IBJAMMIN 06.25.2007 11:20 PM

Ya it was a Hitec The next servo I think I'm going to try is the Futaba S9550 low profile std size servo it's about a 1/2" shorter the a STD servo and with 83ozin torque and .11 speed @6v should be much better then the Hitec.:)

BlackedOutREVO 06.25.2007 11:25 PM

Quote:

Originally Posted by IBJAMMIN
Ya it was a Hitec The next servo I think I'm going to try is the Futaba S9550 low profile std size servo it's about a 1/2" shorter the a STD servo and with 83ozin torque and .11 speed @6v should be much better then the Hitec.:)


thats what we run in our 12th scale pan cars.... there REALLY nice for 54 bucks!

or wait, got a link? is that the full size one? if thats the 10th scale one, im about to buy one for my cyclone

silentbob343 06.25.2007 11:29 PM

Quote:

Originally Posted by IBJAMMIN
Ya it was a Hitec The next servo I think I'm going to try is the Futaba S9550 low profile std size servo it's about a 1/2" shorter the a STD servo and with 83ozin torque and .11 speed @6v should be much better then the Hitec.:)

That looks to be my next servo as well. There were a couple on ebay that went in the $50-$60, but haven't seen them in a while.

There are plenty of auctions for the S9650.
Quote:

Originally Posted by E-MAXX Rock's
thats what we run in our 12th scale pan cars.... there REALLY nice for 54 bucks!

or wait, got a link? is that the full size one? if thats the 10th scale one, im about to buy one for my cyclone

I believe you are thinking of the S9560. They retail for $55, were as the S9550 is $80.

BlackedOutREVO 08.24.2007 09:14 PM

Quote:

Originally Posted by silentbob343 (Post 114018)
That looks to be my next servo as well. There were a couple on ebay that went in the $50-$60, but haven't seen them in a while.

There are plenty of auctions for the S9650.
I believe you are thinking of the S9560. They retail for $55, were as the S9550 is $80.



Yeah, I bought a s9550

Any updates jammin?

FG101C 09.06.2007 11:57 PM

I had a S9650 as my throttle servo on my nitro CRT.5 and the gears broke. I did use it in my pan car though before that, maybe they were cracked from being in that car.

gizzmo79 10.10.2007 05:50 PM

Quote:

Originally Posted by IBJAMMIN (Post 112111)
There the Jammin upgrade aluminum part's I got the steering rack and front and rear hubs from www.nitrohouse.com and I found the aluminum ball ends at RC4WD the Titanium turnbuckles are Lunsford. :027:

Can you pleas let me know witch turnbuckles i need to order?

IBJAMMIN 11.06.2007 08:24 PM

1 Attachment(s)
Quote:

Originally Posted by gizzmo79 (Post 122387)
Can you pleas let me know witch turnbuckles i need to order?

Look on page 5 about 3/4 of the way down I listed all the info on the Lunsford TB info. :)

Sorry I have been busy with my new toy a 2007 Yamaha FZ1 I got tired of making RC cars go a 100mph and decided to see what 170mph feels like.:na:

jnev 11.06.2007 09:06 PM

Such a sick bike man!! :yes: Have fun with it.

BP-Revo 11.06.2007 09:22 PM

Quote:

Originally Posted by IBJAMMIN (Post 127544)
Look on page 5 about 3/4 of the way down I listed all the info on the Lunsford TB info. :)

Sorry I have been busy with my new toy a 2007 Yamaha FZ1 I got tired of making RC cars go a 100mph and decided to see what 170mph feels like.:na:

Get a Kawasaki ZX-14 and tune it and you can feel what 9 second 1/4 miles and 220mph feels like :wink:

My dad has one of these and its absolutely STUPID fast... :rofl:

My favorite of his bikes is his 04 R1 tuned to 200hp (crank). Best of every world.

IBJAMMIN 11.07.2007 07:37 PM

Na 170mph is fast enough for me the ZX14 was a tank yeah it's fast but not my style. My FZ1 has the same motor as the 04-06 R1 but is much more comfortable to ride. :)

Hay I just realized the old forum is back thats good news.:mdr:

gixxer 11.07.2007 08:55 PM

Quote:

Originally Posted by IBJAMMIN (Post 127544)
Sorry I have been busy with my new toy a 2007 Yamaha FZ1 I got tired of making RC cars go a 100mph and decided to see what 170mph feels like.:na:

To me it all felt the same after about 140mph. Basically just hanging on:rofl:

chadr 11.08.2009 02:17 AM

I haven't run my crt.5 for many months, but today I tried it out and found the servo didn't quite center when turning one direction. It is a Hitec HS-5245MG that was sent back to Hitec once because it didn't center well... now it is doing it again. I've heard about a weaker servo saver spring that is easier on the servo. Where is this available? What servo is recommended without going to the extended chassis. I don't want to spend $40 on a chassis just to fit a larger servo.

Chad


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