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REEDY .21 Nitro Engine

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Old 08-20-2009 | 05:24 AM
  #406  
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the best thing for keeping the motor hot while at idle, is to use a 1/10 scale foam tire insert and put it around the head. Fits snug and is a hell of a lot easier than wrapping in tin foil.

I did what Brandon Powell did, but only idled 4 tanks, then drove it rich but WITH the foam on the head and it stayed around 240. After 4 tanks of that, start rae tune.

I have 5 gallons on mine and it feels like it did after 2 gallons.
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Old 08-20-2009 | 09:04 AM
  #407  
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i would use mineral oil and be done with it. I'm using a little Amsoil Saber Professional synthetic 2 stroke oil for storage.

Last edited by Chris Reilly; 08-20-2009 at 10:04 AM.
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Old 08-22-2009 | 12:05 AM
  #408  
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Ran the Reedy alittle bit more and this time i had a re11 losi pipe on (2050 copy) and it was much more top end then the 053mr pipe i had on. It also got better fuel mileage and i had to lean it up about 2 hours on the HSN. Has alot more noticeable top end and was temping around 215-230. Has one gallon through it so far and just sealed the back plate. Rod is snug and fine.

Pics arent the best i took them on my iphone.



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Old 08-22-2009 | 12:35 AM
  #409  
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Why does the crank look rusty?
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Old 08-22-2009 | 01:48 AM
  #410  
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Is this engine worth getting? I was thinking about getting two of these or two OS Speeds. What do you guys think?
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Old 08-22-2009 | 01:54 AM
  #411  
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Originally Posted by Mahak2137
Why does the crank look rusty?

It looks like burn up oil in person i didn't touch anything in there may just wipe off. I dunno, runs great so far no complaints.
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Old 08-22-2009 | 01:56 AM
  #412  
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Originally Posted by j8ight13
Is this engine worth getting? I was thinking about getting two of these or two OS Speeds. What do you guys think?

It's been good to me for 1 gallon. I would get the v-spec pro modified one, it's a speed on the inside for a cheaper price.
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Old 08-22-2009 | 03:42 AM
  #413  
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You can buy two Reedy's for the price of one speed.
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Old 08-22-2009 | 07:09 AM
  #414  
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Originally Posted by Shane Racer
You can buy two Reedy's for the price of one speed.
that' what I was thinking, lol.

RBFIVE- I did a back to back pipe comparison at the track on Thursday, where I tested the re-11 and the 2035 within 20 minutes of each other same track, weather, etc..

They did tune different, like you said I noticed I had to lean the re11 out more, but to my surprise I got 34 seconds more run time with the 2035 and the motor ran 10 degrees cooler with the 2035.

As for the top end, I tried it because I figured it would wake the top up, but to be 100% honest, I couldn't tell the difference in speed, little different pitch to the motor, but with higher temps and lower run times, the re11 or 2050 just didn't cut it. I'll be sticking with the 2035 until I get my hands on something else to test. I ordered a TT2039 to try out, it looks like the 2035 but a little shorter.
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Old 08-22-2009 | 07:40 AM
  #415  
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Originally Posted by RB FIVE
It's been good to me for 1 gallon. I would get the v-spec pro modified one, it's a speed on the inside for a cheaper price.
I thought the pro mod just had the crank, ceramic rear bearing and the carb from the speed? The rod and piston are from the speed too? I already have a VZB(blue head) with speed internals. But I think it's starting to see its day. I wanted to try something different but you can't go wrong with the OS reliability.

I love the way the reedy looks and runs on the track. And for the price tag you also can't go wrong. Im just a little iffy on how hot they run. i like to run my motor a little bit cooler. Around 200-210 since i race on a smaller track there is really no point to get the temps real high. I also have been seeing that a lot of guys are having trouble with the tuning.
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Old 08-22-2009 | 09:04 AM
  #416  
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Originally Posted by RB FIVE
Ran the Reedy alittle bit more and this time i had a re11 losi pipe on (2050 copy) and it was much more top end then the 053mr pipe i had on. It also got better fuel mileage and i had to lean it up about 2 hours on the HSN. Has alot more noticeable top end and was temping around 215-230. Has one gallon through it so far and just sealed the back plate. Rod is snug and fine.

You are the first person I have seen run that engine at those temps. How was the performance of it those temps? If it ran good at those temps, it would be a motor I would consider now. I liked the way it looks on paper, but just to see so many running at those high temps is something I am not to keen to.
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Old 08-22-2009 | 10:53 AM
  #417  
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this reedy engine looks very impressive. only thing is i know there is a bearing issue on the inside of the engine i just think that if i get it i will have a lot of bearing and reliability issues. also do you think this will be a 10 gallon engine before rebuild. let me know
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Old 08-22-2009 | 01:17 PM
  #418  
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Originally Posted by supralative
You are the first person I have seen run that engine at those temps. How was the performance of it those temps? If it ran good at those temps, it would be a motor I would consider now. I liked the way it looks on paper, but just to see so many running at those high temps is something I am not to keen to.
Couldn't agree more. I don't like running my engine in a really high window. These engines tend to lean out later in the race.

I haven't tried a 2035 yet but my buddy did and it wasn't much diff then the 2053. The re11 gives this motor a bit more up top.

From my experience when your running your engine hotter your just leaning it out to get more power then the engine wants to make. My engine runs great at 215-230
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Old 08-22-2009 | 03:32 PM
  #419  
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by no means am i any sort of engine tuning guru but, I believe that you should use temps as a guideline. I tune for smoke and performance. I am quite lucky to have about a million years of rc experience pitting with me as well.
I have seen my reedy run anywhere from 225 to 260 depending on the weather conditions. I have not once seen a lack of smoke from the pipe so I am happy.
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Old 08-22-2009 | 04:21 PM
  #420  
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Originally Posted by lorider75
by no means am i any sort of engine tuning guru but, I believe that you should use temps as a guideline. I tune for smoke and performance. I am quite lucky to have about a million years of rc experience pitting with me as well.
I have seen my reedy run anywhere from 225 to 260 depending on the weather conditions. I have not once seen a lack of smoke from the pipe so I am happy.
Good point. Smoke, performance, and feel. Then I check the temps. There is so much more to engine temps than just a tune. Mechanical differences from one truggy/buggy to another will make a difference. And lets not overlook weight differences. I have run motors in my stuff anywhere from 190's to 280's with no ill effect. Although I hate to run them as cold as that(190). But, that's the tune the motor needed to run good that day.....so thats what it got.
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