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Hyper 8.5 Weight Goal: Under 7 Lbs 2 Oz...Done...
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Tbone



Joined: 24 Jul 2008
Posts: 5
Location: CT

PostPosted: Thu Jul 24, 2008 12:57 pm    Post subject: Reply with quote

Buggin wrote:
Tbone wrote:
Are all the blue screws off an RC8? Are they titanium?

http://www.ofna.com/forum/viewtopic.php?t=10195


Thanks, But it doesn't really answer my whole question. were they from the rc8?
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Buggin



Joined: 23 Jul 2007
Posts: 447

PostPosted: Thu Jul 24, 2008 2:06 pm    Post subject: Reply with quote

I would have to say just watch the other post Nitrohouse has going, he did say part numbers coming soon.........
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jerseybuggy



Joined: 20 Mar 2008
Posts: 200

PostPosted: Thu Jul 24, 2008 2:30 pm    Post subject: Reply with quote

how about carbon fiber shock towers to save weight?
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Nitrohouse



Joined: 26 Oct 2005
Posts: 3669
Location: Irvine, Ca.

PostPosted: Fri Jul 25, 2008 11:30 am    Post subject: Reply with quote

jerseybuggy wrote:
how about carbon fiber shock towers to save weight?


They will, but I don't have any...

I'm using the alum screws that Ofna has. They come in either blue, or purple...
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Nathman 79



Joined: 06 Jul 2007
Posts: 64
Location: Adelaide, South Australia

PostPosted: Fri Aug 01, 2008 11:44 pm    Post subject: Reply with quote

more pics would be good, there is some weight removed by removing the brake adjusting collars - tricky way to shed grams. There is still more grams to shed by drilling holes in the front and rear braces like what Kortz has done. I like the blue anodised parts too.
BTW how many grams overweight does a 8.5 weigh as standard? what is the legal weight limit for racing sanctioned events?
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Chris S



Joined: 05 Oct 2008
Posts: 39

PostPosted: Sun Oct 05, 2008 1:05 pm    Post subject: Reply with quote

With the Kortz upper arm mod, do you notice any more deflection in the front uprights ? As they no longer have the fore/aft support from the upper a arm.

Also, what modifaction have you dont to the spur and crown wheels ?
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Nitrohouse



Joined: 26 Oct 2005
Posts: 3669
Location: Irvine, Ca.

PostPosted: Mon Oct 06, 2008 8:20 am    Post subject: Reply with quote

Chris S wrote:
With the Kortz upper arm mod, do you notice any more deflection in the front uprights ? As they no longer have the fore/aft support from the upper a arm.

Also, what modifaction have you dont to the spur and crown wheels ?


You can and more than likely will bend a shock tower under a heavy crash, but that's the only downside I've experienced. You can break an arm easier too, but I've not had that happen. The upside is the buggies steering is so quick, and precise, and it'll go through the rougher sections of the track with a lot more speed without upsetting the chassis...

It's a, I'll take the "good" over "bad". I'm faster and much more consistent with the front upper a-arm setup, so I'll be staying with it...

Hope this helps...

Have Fun...Burn Nitro...

Rob B.
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Chris S



Joined: 05 Oct 2008
Posts: 39

PostPosted: Mon Oct 06, 2008 9:50 am    Post subject: Reply with quote

Thanks for the reply.

I've made up a set of Kortz arms for the front, going to test them later on in the week. I did notice that the front end is a lot more free with the Kortz mod.

I've been doing a bit of weight saving with the lower suspension arms, chassis braces, steering arm and radio tray. Next to do is the chassis, from what I've calculated I can get around 100g out, maybe more if I cut the chassis sides down.
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Nitrohouse



Joined: 26 Oct 2005
Posts: 3669
Location: Irvine, Ca.

PostPosted: Tue Oct 07, 2008 8:10 am    Post subject: Reply with quote

Let us know how it turns out...
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Chris S



Joined: 05 Oct 2008
Posts: 39

PostPosted: Sun Oct 19, 2008 1:07 pm    Post subject: Reply with quote

After 6 hours practice and a race day, nothing has broken. There is a tiny bit more wobble in the hubs.

The buggy definately feels quicker through the rough sections.
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Nitrohouse



Joined: 26 Oct 2005
Posts: 3669
Location: Irvine, Ca.

PostPosted: Thu Oct 23, 2008 8:27 am    Post subject: Reply with quote

Nathman 79 wrote:
more pics would be good, there is some weight removed by removing the brake adjusting collars - tricky way to shed grams. There is still more grams to shed by drilling holes in the front and rear braces like what Kortz has done. I like the blue anodised parts too.
BTW how many grams overweight does a 8.5 weigh as standard? what is the legal weight limit for racing sanctioned events?


The Hyper 8.5 is right at 8lbs 7oz stock, depending on which engine pipe and radio gear...

Mine is now just a hint over 7lbs 2oz...And could be make even lighter if I really wanted to...
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Jonathan B.



Joined: 07 Oct 2008
Posts: 376

PostPosted: Thu Oct 23, 2008 11:41 am    Post subject: Reply with quote

yeah probably cOUld get it under 7lbs no prob IF ya really wanted to
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beuz



Joined: 22 Oct 2008
Posts: 42

PostPosted: Mon Oct 27, 2008 12:28 am    Post subject: Reply with quote

Hi

I'm from France and i'm working on the weight of my 8.5

I found a company in France who supply carbon fiber parts for the 8.5

Look at the PDF

http://www.modelconcept.fr/Model%20Concept_Hobao%20%202008.pdf

Available in 3 or 4 mm

I will order them and let you know

Best regards
Sylvain
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counterman



Joined: 27 Jan 2008
Posts: 55
Location: Foley Minnesota

PostPosted: Mon Oct 27, 2008 5:11 pm    Post subject: Reply with quote

beuz wrote:
Hi

I'm from France and i'm working on the weight of my 8.5

I found a company in France who supply carbon fiber parts for the 8.5

Look at the PDF

http://www.modelconcept.fr/Model%20Concept_Hobao%20%202008.pdf

Available in 3 or 4 mm

I will order them and let you know

Best regards
Sylvain


What are the chances you can help out a fellow racer and sell me a 4mm set for my St Pro. Or can I buy direct from them and have them shipped to US?

You should be able to mail them in a envelope? Yes/no
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beuz



Joined: 22 Oct 2008
Posts: 42

PostPosted: Mon Oct 27, 2008 11:00 pm    Post subject: Reply with quote

I can help you of course , just tell me what you need and i'll give you the total cost.

Sylvain
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