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-   -   crsahed DLE30 (https://www.rcuniverse.com/forum/gas-engines-142/11575686-crsahed-dle30.html)

dirtybird 07-21-2013 07:48 AM
crsahed DLE30
 
I crashed a DLE 30 and cracked the cylinder. I ordered a new piston and cylinder but the piston is backordered. Wht do you engine gurus think of reusing the old piston with a new ring?
The piston has no visible damage.

karolh 07-21-2013 08:10 AM
RE: crsahed DLE30
 
I'm far from being an engine guru but IMHO since the cylinder and piston are not sold as a matched set, if the piston is in good condition I would not hesitate to re-use it with a new ring.

Truckracer 07-21-2013 08:17 AM
RE: crsahed DLE30
 
+1, reuse the piston if it is in good condition. I would replace the needle bearing on the wristpin though and they are very cheap.

speedracerntrixie 07-21-2013 08:38 AM
RE: crsahed DLE30
 
Depending on where the break is located you may have more damaged parts. If the impact cracked the base of the cylinder and allowed it to pivot forward while the engine was running you may have a bent connecting rod and a damaged lower needle bearing. Have you removed and inspected the crank bearings yet?

dirtybird 07-21-2013 09:03 AM
RE: crsahed DLE30
 

ORIGINAL: speedracerntrixie

Depending on where the break is located you may have more damaged parts. If the impact cracked the base of the cylinder and allowed it to pivot forward while the engine was running you may have a bent connecting rod and a damaged lower needle bearing. Have you removed and inspected the crank bearings yet?

The muffler ripped off and broke the mount ring.This caused a small crack in the cylinder.
Also one of the engine mounting lugs was broken off so I need to check the crank. But just turning it over it seems to be OK.

Truckracer 07-21-2013 10:54 AM
RE: crsahed DLE30
 

ORIGINAL: dirtybird


ORIGINAL: speedracerntrixie

Depending on where the break is located you may have more damaged parts. If the impact cracked the base of the cylinder and allowed it to pivot forward while the engine was running you may have a bent connecting rod and a damaged lower needle bearing. Have you removed and inspected the crank bearings yet?

The muffler ripped off and broke the mount ring.This caused a small crack in the cylinder.
Also one of the engine mounting lugs was broken off so I need to check the crank. But just turning it over it seems to be OK.
You should be able to buy just the rear case half that has the mount lugs on it.

dirtybird 07-21-2013 11:34 AM
RE: crsahed DLE30
 
I have a rear case half coming on delayed shipment. I also an trying to get a Frank Bowman ring. I just emailed him this morning.


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