[REVIEW] 9398 - Rock Crawler

[Only Sinner]

This is going to be too much fun, I can hardly wait!

[grum64]

My Grandson, Jake has 'seen' your review (he knows the Eurobrick shortcut on my iPad and goes to & through this forum every chance he gets). He says to buy the set. 'It looks like fun!'

Well, that's it then... How can I disappoint a 5yr old!

[Zerobricks]

http://www.youtube.com/watch?v=7uQpGqJts1Y

The 9398 is better than any other trial truck I ever seen.

With good batteries (9V), it really rocks !!!!!

You havent seen many trial trucks than?

[Jetro]

Read the review again after building mine slowly and I come across two minor errors

What you can't see in this image is that the orange output goes all the way through so there is an identical output on the back.

As has been pointed out elsewhere, the servo motor doesn't have a through and through connection point (like the NXT motors) but a 1L deep connection point on either side with a 1L distance between them. I suppose that's more or less what you meant to say though...

You can count up the gear reduction. One stage is diff to 20 tooth gear, 28:20. There are then 3 sets of 12:20 bevel gears (one set in the wheel hub, one shown here by the diff, one in the front of the picture going up to the motor), giving a total of 7:1.

I calculated (20/12)+(28/20)+(20/12)+(20/12)=6.4:1

If you use Sariel's Gear Ratio Calculator you get 1:6.485 due to rounding error.

[Alasdair Ryan]

Here is a new video. (not from ebay)

Many thanks Anio.

[DLuders]

Fernando Correia (Conchas) just posted the

YouTube videos of his Lego 9398 4x4 Crawler Review, which he wrote will be posted on TechnicBRICKS soon.

Edited July 4, 2012 by DLuders

[davidmull]

Any outdoor videos around luder? :)

[Blakbird]

As has been pointed out elsewhere, the servo motor doesn't have a through and through connection point (like the NXT motors) but a 1L deep connection point on either side with a 1L distance between them. I suppose that's more or less what you meant to say though...

That's not an error. The orange output does go all the way through. However, you cannot put an output axle all the way through.

I calculated (20/12)+(28/20)+(20/12)+(20/12)=6.4:1

If you use Sariel's Gear Ratio Calculator you get 1:6.485 due to rounding error.

Your answer is right (I typed mine into the calculator wrong), but your equation is wrong. The gear ratios need to be multiplied together, not summed.

My error was that I did (20/12)*3 instead of (20/12)^3. It was only a coincidence that it came out so close with such a fundamental error. Sorry about that!

[Jetro]

I stand corrected. So the gear ratio calculator was indeed very close...

[inquisitor88]

Great review! What is the weight of whole set(with box, instructions..)?

[Traktor]

I just asked someone on ebay.de about shipping cost, and he said that the whole sett weighs about 2300 g, sealed in the box.

[inquisitor88]

I just asked someone on ebay.de about shipping cost, and he said that the whole sett weighs about 2300 g, sealed in the box.

Just one seller on Bricklink.com says that the weight of 9398 set + package for shipping is 4400 gramms. It's very strange, i supposed that it's weight will be nearly 8297 set (2240 gramms).

[DLuders]

@ inquisitor88: In this post, Traktor reports that the Shipping Weight of the 9398 box is 2.3Kg (5.07 lb) -- the same as the 8297 box. I like "The Mind"'s picture of his new, colorful 9398 4x4 Crawler next to his grey 8297 Off Roader (now seen in The Scooter Guy's Flickr photostream):

[Kit Fisto]

I understood what shop Inquisitor had mentioned, I ordered my own there too.And the seller says that the total weight of the parcel is 4400 grams.

[nicoga3000]

Well the hype is there...But when does it become available in the US?

[skppo]

Is the orange color the same as the unimog, or the lighter kind ? (8365 has this other orange)

In the comparison picture it looks diffrent from the 8297 seats.

Could just be the lighting being more intense on the crawler.

[efferman]

its the same orange

[DLuders]

@ nicoga3000: Look for the 9398 on the Shop.Lego.com website beginning Mon., July 23rd (only 2 more weeks of waiting). It's being sold now on the German Shop.Lego.com website now.

[davidmull]

@ nicoga3000: Look for the 9398 on the Shop.Lego.com website beginning Mon., July 23rd (only 2 more weeks of waiting). It's being sold now on the German Shop.Lego.com website now.

Any date for uk or Ireland?

[mrklaw]

Any date for uk or Ireland?

Blue water Lego store couldn't be specific, but they did say a lot of new sets were scheduled for sale on August 1st. We've been waiting for seaside house and other creator sets too.

[AmiPolizeiFunk]

Thanks for the awesome review.

[DLuders]

Conchas (Fernando Correia) posted this extensive TechnicBRICKS Tech Review of the 9398 4x4 Crawler. He discussed:

1. The Package and Contents

2. The New Parts

3. The Parts Assortment

4. Building Experience

5. Functionality and Playability

5a. The Doors

5b. The Suspension

5c. Batteries Replacement

5d. Video Footage

6. The B-Model

7. Final Thoughts

8. The Ratings

His overall rating: "Highly Recommended"!

Edited July 10, 2012 by DLuders

[davidmull]

Great review by conchas :)

[Xan326]

Ok so I think this hasn't been asked (I'm extremely tired but can't sleep) I was looking at the pictures and the steering. What if you moved the connection back a pinhole, would that improve the radius? It looks simple to do with the provided pieces, has anyone that has the set tried?

[DLuders]

axlyoon posted two identical YouTube videos (in Low-Definition and

) of his "LEGO 9398 4x4 Clawler REVIEW". Imbedded here is the low-def version, showing a rapid photo sequence of the entire build process:

Edited July 26, 2012 by DLuders