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engine blow up - 5/10/2008 3:48:40 AM   
Speed-Limit



Posts: 66
Joined: 5/10/2008
From: Manson, IA, USA
Status: offline 		Hi, I am new to the RC sport so i don't know much but i think you guys can help me. I got my truggy out for the first time in about 5 months. I ran 1 tank of fuel throughit. I checked the temp and it was 250 degrees. About 30 seconds later my engine went out of control (it went full speed and i had no brakes). it crashed in the ditch. i shut it off and checked the temp and it was about 450 degrees. my engine is the mac .28 on the hyper st. I was wondering if the engine blew up. Tanks in advance.

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Hyper ST
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RE: engine blow up - 5/10/2008 4:44:23 AM   
qaiz



Posts: 2712
Joined: 11/5/2007
From: Dubai, UNITED ARAB EMIRATES
Status: offline 		Get rid of that engine, it'll be the best thing you ever did.

For some reason Ofna dosent like to give out an engine that works.

Try this link, it should help you.

http://www.rcuniverse.com/forum/m_6973588/mpage_1/key_/tm.htm

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RE: engine blow up - 5/10/2008 4:52:02 AM   
Speed-Limit



Posts: 66
Joined: 5/10/2008
From: Manson, IA, USA
Status: offline 		That is what i was thinking about doing. How does the Jammin .21 sound.

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Hyper ST
Life moves pretty fast. If you dont stop and look around once and a while, you could miss it.

(in reply to qaiz)
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RE: engine blow up - 5/10/2008 4:56:24 AM   
qaiz



Posts: 2712
Joined: 11/5/2007
From: Dubai, UNITED ARAB EMIRATES
Status: offline
quote:

ORIGINAL: Speed-Limit

That is what i was thinking about doing. How does the Jammin .21 sound.


Fabulous engine, I got one coming. Ive been running the Picco .28, which is basically a Jammin .28 with a differient head. Love that engine.

You'll need a starter box tho. Otherwise, great engine.

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RE: engine blow up - 5/10/2008 5:01:14 AM   
rebelracer246


 

Posts: 469
Joined: 4/22/2008
From: springfield, OH, USA
Status: offline 		i lik ops .21 they have more power than some .28s

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RE: engine blow up - 5/10/2008 1:33:43 PM   
Speed-Limit



Posts: 66
Joined: 5/10/2008
From: Manson, IA, USA
Status: offline 		thank you for your help. i am ordering the jammin .21 today! do you think the OFNA truggy start is a good starter box? what battery should i get, gel cel, or stick pak?

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Hyper ST
Life moves pretty fast. If you dont stop and look around once and a while, you could miss it.

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RE: engine blow up - 5/10/2008 2:29:06 PM   
hkenvy91


 

Posts: 836
Joined: 4/11/2007
From: richmond, VA, USA
Status: online 		i used to have a hyper 28 on an rtr last year. for what it was it ran pretty good! temps liked to stay around 260 to even wanna run right but it made decent power for an entry motor! actually its still runnin to this day.prolltyn has about 6-8 gallons on it by now

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RE: engine blow up - 5/10/2008 10:59:05 PM   
madmax22


 

Posts: 2730
Joined: 9/7/2007
From: Greentown, PA, USA
Status: offline 		I'd get a gel cell

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RE: engine blow up - 5/11/2008 12:21:30 AM   
viper463


 

Posts: 249
Joined: 10/14/2004
From: chesterton, IN, USA
Status: offline 		I 2nd the gel cell.

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RE: engine blow up - 5/11/2008 1:13:47 AM   
Speed-Limit



Posts: 66
Joined: 5/10/2008
From: Manson, IA, USA
Status: offline 		gel cell it is than, thank you for your help

_____________________________

Hyper ST
Life moves pretty fast. If you dont stop and look around once and a while, you could miss it.

(in reply to viper463)
       Post #: 10

RE: engine blow up - 5/13/2008 1:00:24 PM   
mechanicalguy


 

Posts: 35
Joined: 11/22/2007
From: , MB, CANADA
Status: offline 		What may have happened is a lack of fuel to the engine. It will run excessively lean and cause a temperature like you mentioned. Check your fuel lines for damage from heat or friction or the like.

(in reply to Speed-Limit)
       Post #: 11

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