R/C Tech Forums - STS .28 pull-start engine

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R/C Tech Forums (https://www.rctech.net/forum/)

- Onroad Nitro Engine Zone (https://www.rctech.net/forum/onroad-nitro-engine-zone-71/)

- - STS .28 pull-start engine (https://www.rctech.net/forum/onroad-nitro-engine-zone/59523-sts-28-pull-start-engine.html)

dino.tw

07-03-2005 05:39 AM

Quote:

Originally Posted by 8man

When tuned for best performance, mine wants to run at 275. If I richen it, it gets all rough at idle-midrange. 275 is with 80' outside temp. Help.

Medium temp plug
0.3 head shims
20% nitro
14% oil

Check the LSN. How many turns out from the end?

8man	07-03-2005 06:19 AM

All the way in, then back out 4 turns.

pk	07-06-2005 01:24 AM

STS28 Rotostart Backplate

Hi Dino!

Are these for real? It looks like someone is selling roto-backplates for the STS!!!

What a bummer, he only ships within the UK :(

http://cgi.ebay.co.uk/ws/eBayISAPI.d...985667230&rd=1

denisz

07-07-2005 03:03 AM

that is not true
i just ordered one, and im from hungary
u have to aski him for a shipping quate 1st
by
Engine works flawlessly in my Ofna Titan!!!

pk	07-08-2005 04:10 AM

denisz, please do give feedback on the rotostart once you get it. Thanks!

8man	07-13-2005 04:55 PM

I figured it out. O-ring for the HSN is not sealing. Where do I get replacements for my engine? Someone help, it's no fun to be down.

20 SMOKE

07-13-2005 06:30 PM

Quote:

Originally Posted by 8man

I figured it out. O-ring for the HSN is not sealing. Where do I get replacements for my engine? Someone help, it's no fun to be down.

You can try
http://www.projectzen.net

8man	07-19-2005 11:53 AM

I took out the o-ring and streched it a little. Fits just right. Seals now.
I have this engine in my monster, and it flies. Crazy power.
Thank you STS!

ryan6682

07-20-2005 11:43 AM

http://www.racernine.com/05-07-Odonn...s/DSC07950.jpg

this my truck powered by an sts.28 motor, piloted by racernine (glen krause)
we just won the odonnells off road championship monster truck expert class last weekend. it does have some serious power Also took TQ and trophy dash cups

dino.tw

07-21-2005 12:55 AM

Quote:

Originally Posted by ryan6682

Congrats!!!

savagegarden

07-21-2005 08:57 AM

hello dino

could i have the stock needle setting for the sts. 28
i can't get it to run properly so i think i am going to start fresh here and hope that that will help me out

thanks in advance

ryan6682

07-21-2005 08:44 PM

I am trying to find a dealer in the U.S. that carries the sts line of motors and engine parts is there one or not? I emailed zen but there is no reponse from them. why is it so hard to find these motors? all you can do is buy new ones off ebay. :mad: :mad:

8man	07-22-2005 08:22 AM

I am in the same boat. I emailed zen, but no response. Do they carry parts?
I don't see anything on their site that says they do.

dino.tw

07-22-2005 08:49 AM

The bad situation will be better later in U.S.

jfc_tech

07-26-2005 12:16 AM

Quote:

Originally Posted by savagegarden

hello dino

could i have the stock needle setting for the sts. 28
i can't get it to run properly so i think i am going to start fresh here and hope that that will help me out

thanks in advance

Originally posted by dino.tw
HSN--2t
LSN--3t

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