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Gas Engine for DynaFlight PT-19

Old 03-07-2012, 08:01 PM
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fheppenheimer
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Default Gas Engine for DynaFlight PT-19

I bought an old DynaFlight PT-19 which had been powered by a horizontally-mounted SuperTigre 2300 glow on a Perry pump and I think a Bennett muffler. I'd appreciate suggestions for a gas engine and muffler combo that would be easy to install, a drop-in replacement seems unlikely but I'd like to avoid the challenge of moving the firewall back, etc. Thanks for any help you can give.
Old 03-07-2012, 08:51 PM
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MetallicaJunkie
 
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Default RE: Gas Engine for DynaFlight PT-19

a freind of mine had a big heavy 41cc on his


a dle30 would fly it and so would a 55cc.... which everone fits in the cowl , if you can fit the 55, that would be nice, if you use the 30 you might need to add dead weight up from(lead)
Old 03-08-2012, 03:37 AM
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Lifer
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Default RE: Gas Engine for DynaFlight PT-19

If it has a ST 2300, a DLE 20cc would offer increased power, and a beam mount just like the ST. As far as mufflers are concerned, the factory muffler would do the job. I have several DLE's and am nothing but pleased.

Best regards.
Old 03-25-2012, 09:53 AM
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ocrcdude
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Default RE: Gas Engine for DynaFlight PT-19

I have a G-26 on mag. More than enough power and flies it around with no problems. and I think it mounts to the firewall with no spacers (now that I think about it I'm not sure. But it was easy to mount) I also used a pitts inverted muffler, stays cool and runs good.
Old 03-26-2012, 06:51 PM
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Default RE: Gas Engine for DynaFlight PT-19

A DL20 would have more power than a ST 2300? Have run both and the ST will easily turn a 16X10 pattern prop at 9,000 or more on standard glow fuel.
The dl20 would be lucky to turn it at 7,000. How does a 23 cc glow motor have less power than a 20 cc gas motor? Me thinks you have never had a big ST engine. Just for a small comparison my ST4500 on straight oil and alky will blow the doors off any 50cc gasser and most 60cc engines. As for the Dynaflite PT19, they fly great on a G-26 at my altitude of 5,000 feet. That would be my suggestion and by the way the ST 2300 will run circles around the G-26 which will run circles around a DL20, I know, have flown them all.
Larry
Old 05-28-2015, 02:43 AM
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Originally Posted by [email protected] View Post
A DL20 would have more power than a ST 2300? Have run both and the ST will easily turn a 16X10 pattern prop at 9,000 or more on standard glow fuel.
The dl20 would be lucky to turn it at 7,000. How does a 23 cc glow motor have less power than a 20 cc gas motor? Me thinks you have never had a big ST engine. Just for a small comparison my ST4500 on straight oil and alky will blow the doors off any 50cc gasser and most 60cc engines. As for the Dynaflite PT19, they fly great on a G-26 at my altitude of 5,000 feet. That would be my suggestion and by the way the ST 2300 will run circles around the G-26 which will run circles around a DL20, I know, have flown them all.
Larry
Just the info I needed as well

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