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Nosedragger wrote:What is the TBO on those little 503's? That might soon belong in the beer can bin too.

marcusofcotton wrote:Nosedragger wrote:What is the TBO on those little 503's? That might soon belong in the beer can bin too.
Rotax says 300 hours for crankshaft replacement but many run longer. Five year recommendation on crankshaft seals. And of course if it's not been used regularly, there could be rust pitting inside - including on rod and crank bearings.
Mark J
EZFlap wrote:I actually can find a use for that 503, and I'd be happy to have it if it works out. I have no idea on the TBO, but I think they are easily overhaul-able. Apparently they're not bad engines if operated within their parameters. Plenty of interesting little airplane projects around that can make use of that engine... just nothing that I want to fly across a cold lake with![]()
If you're serious I have an organization here that has a 501 (c) 3 certification that can issue a donation receipt for the engine, prop and related stuff, I'll barter and tap dance with them for use of it. But you are certainly not "obliged" to do that in any way.
The original Chotia engine that was on the original Weedhopper... no interest. I've heard that it's best use is an artificial reef.
marcusofcotton wrote:Nosedragger wrote:What is the TBO on those little 503's? That might soon belong in the beer can bin too.
Rotax says 300 hours for crankshaft replacement but many run longer. Five year recommendation on crankshaft seals. And of course if it's not been used regularly, there could be rust pitting inside - including on rod and crank bearings.
Mark J
Nosedragger wrote:It is interesting though that my non-pilot buddies want the thing now, one's a rancher, one's a pig hunter, and one's an idiot. They all think it would be fun to fly without the bothersome training process, I'm beginning to understand how they sold so many of them. It now appears that the best spot to unload an uncertified ultralight is on a Texas redneck boar hunting forum, the thought of the Hopper being used to haul beer in and pigs out of a private game ranch is a little amusing and slightly tempting, I don't know that it would shorten the life of anyone that would otherwise be holding an AR, strapped to a tractor seat welded to Bubba's mushroom bar, while chasing animals through the brambles at twice the Weedhoppers V-ne.
Nosedragger wrote:......... It is interesting though that my non-pilot buddies want the thing now, one's a rancher, one's a pig hunter, and one's an idiot. They all think it would be fun to fly without the bothersome training process.....

taylorcraftbc65 wrote:Hi guys,
I would just like to be the one person here who happens to LOVE the Weedhopper for what it is, a low, slow, knockabout, very easy to fly ultralight.
I own a 1940 bc65 T-craft, half own a 1946 Cessna 140 with my sweetie pie, and SIX Ultralights. All the other ultralights are more crosswind capable, fly faster, and farther on 5 gallons of fuel, but if all I want to do, is kick around at 2,000 feet AGL over the far west Texas grasslands, I can fly her trimmed up with just my feet. By the way, I have had her at 9,000 feet MSL on a summer day just fine with her KFM flat twin.
I think that the Weedhopper is the Ercoupe of the Ultralight world, a fine little basic fun to fly VFR airplane as long as you don't try to fly it like it is something else.
Brie
Didn't kill him, but the plane is ready for the beer can recycling ministry now.Users browsing this forum: No registered users and 0 guests