Pietenpol-List: Control Horn mounting
Posted: Wed Mar 19, 2008 4:54 pm
Original Posted By: "Rick Holland"
Speaking of control horns, I have been working on the rudder and the elevator controlhorns. I have a question about the mounting tabs that get bent out. Youknow the ones that the two bolts go through. If you follow the plans and bendon the dash line the gap between the upper and lower tabs will be 1-inch. The T-shape piece of wood you mount the horns on is only 5/8th-inch. OK, so Iwill need to add in some kind of filler block (I dont believe one is shown onthe plans) to make up the space. That part Im ok with. My big problem is thebolt head and more importantly the bolt bottom and nut will be above the levelof the wood. This will cause a bump (sharp bump on the nut side) under the covering.Is this really how it is supposed to be? I have looked at all the picturesI have and cant tell how this will look with the covering on. Has anyonenoticed if everyone has bumps in the covering where the horns attach? I have been told Ken Perkins welded a channel onto the horns instead of the tabs.He then runs the bolts fore and aft instead of side to side. Call me chicken,but I dont like trusting my welds that much so I decided not to do that.Im ok with bumps as long as they dont look horrible and will not give me troubledown the line.Now before anyone thinks to say just bent the tabs shorter, it would be hard toget any edge clearance around the hole if you do, and the bolt will still stickup above the covering. Been there done that.Chris--------Chris TracySacramento, CAWestCoastPiet.comRead this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Wed, 19 Mar 2008 16:40:44 -0600
Speaking of control horns, I have been working on the rudder and the elevator controlhorns. I have a question about the mounting tabs that get bent out. Youknow the ones that the two bolts go through. If you follow the plans and bendon the dash line the gap between the upper and lower tabs will be 1-inch. The T-shape piece of wood you mount the horns on is only 5/8th-inch. OK, so Iwill need to add in some kind of filler block (I dont believe one is shown onthe plans) to make up the space. That part Im ok with. My big problem is thebolt head and more importantly the bolt bottom and nut will be above the levelof the wood. This will cause a bump (sharp bump on the nut side) under the covering.Is this really how it is supposed to be? I have looked at all the picturesI have and cant tell how this will look with the covering on. Has anyonenoticed if everyone has bumps in the covering where the horns attach? I have been told Ken Perkins welded a channel onto the horns instead of the tabs.He then runs the bolts fore and aft instead of side to side. Call me chicken,but I dont like trusting my welds that much so I decided not to do that.Im ok with bumps as long as they dont look horrible and will not give me troubledown the line.Now before anyone thinks to say just bent the tabs shorter, it would be hard toget any edge clearance around the hole if you do, and the bolt will still stickup above the covering. Been there done that.Chris--------Chris TracySacramento, CAWestCoastPiet.comRead this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Wed, 19 Mar 2008 16:40:44 -0600