If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
|
Thread Tools | Display Modes |
#11
|
|||
|
|||
Intake plenum
Peter Dohm wrote:
"cavelamb" ""cavelamb\"@ X earthlink.net" wrote in message Come on, guys! How hot do you think the intake air can be and still have the motor run??? I was really wondering about that as well--and also doubting the required strength... The air doesn't stick around long enough to GET hot...it's moving past in a hurry. However, the plenum is in direct mechanical contact with the hot parts of the engine. The airflow will help cool it, but there're still parts in direct contact. Ron Wanttaja |
#12
|
|||
|
|||
Intake plenum
On Apr 10, 6:26*pm, Ron Wanttaja wrote:
Peter Dohm wrote: "cavelamb" ""cavelamb\"@ X earthlink.net" wrote in message Come on, guys! How hot do you think the intake air can be and still have the motor run??? I was really wondering about that as well--and also doubting the required strength... The air doesn't stick around long enough to GET hot...it's moving past in a hurry. *However, the plenum is in direct mechanical contact with the hot parts of the engine. *The airflow will help cool it, but there're still parts in direct contact. Ron Wanttaja We're not talking about a composite heat muff? Are we? Surely, we're talking about the part that directs air into the carb? Ed |
#13
|
|||
|
|||
Intake plenum
On Apr 11, 9:40*am, et wrote:
On Apr 10, 6:26*pm, Ron Wanttaja wrote: Peter Dohm wrote: "cavelamb" ""cavelamb\"@ X earthlink.net" wrote in message Come on, guys! How hot do you think the intake air can be and still have the motor run??? I was really wondering about that as well--and also doubting the required strength... The air doesn't stick around long enough to GET hot...it's moving past in a hurry. *However, the plenum is in direct mechanical contact with the hot parts of the engine. *The airflow will help cool it, but there're still parts in direct contact. Ron Wanttaja We're not talking about a composite heat muff? * Are we? * Surely, we're talking about the part that directs air into the carb? Ed Right, we're talking about the plenum itself, not the muff. The only part that will contact anything on the engine will be the flange that attaches to the carb. It will be a few inches away from the exhaust manifold so that is a concern also. I even thought of making the basic structure out of thin aluminum, wrapping that with fiberfrax, (the thin stuff you usually sandwich between the stainless and plywood on a composite construction) and then glassing over that. Sounds labor intensive, but seeing the work needed for fitting, riveting, etc that is needed for an all aluminum structure, it's really not that more involved. Neal |
#14
|
|||
|
|||
Intake plenum
On Apr 12, 9:21*am, Neal Fulco wrote:
On Apr 11, 9:40*am, et wrote: On Apr 10, 6:26*pm, Ron Wanttaja wrote: Peter Dohm wrote: "cavelamb" ""cavelamb\"@ X earthlink.net" wrote in message Come on, guys! How hot do you think the intake air can be and still have the motor run??? I was really wondering about that as well--and also doubting the required strength... The air doesn't stick around long enough to GET hot...it's moving past in a hurry. *However, the plenum is in direct mechanical contact with the hot parts of the engine. *The airflow will help cool it, but there're still parts in direct contact. Ron Wanttaja We're not talking about a composite heat muff? * Are we? * Surely, we're talking about the part that directs air into the carb? Ed Right, we're talking about the plenum itself, not the muff. *The only part that will contact anything on the engine will be the flange that attaches to the carb. *It will be a few inches away from the exhaust manifold so that is a concern also. *I even thought of making the basic structure out of thin aluminum, wrapping that with fiberfrax, (the thin stuff you usually sandwich between the stainless and plywood on a composite construction) and then glassing over that. * Sounds labor intensive, but seeing the work needed for fitting, riveting, etc that is needed for an all aluminum structure, it's really not that more involved. Neal- Hide quoted text - - Show quoted text - Neal If you have room, you might consider a heat shield attached to the exhaust pipe. I ran the exhaust out the side with the coolant air, so my lower cowl is relatively cool. No exhaust pipes to heat things up. Ed |
#15
|
|||
|
|||
Intake plenum
Neal Fulco wrote:
On Apr 11, 9:40 am, et wrote: On Apr 10, 6:26 pm, Ron Wanttaja wrote: Peter Dohm wrote: "cavelamb" ""cavelamb\"@ X earthlink.net" wrote in message Come on, guys! How hot do you think the intake air can be and still have the motor run??? I was really wondering about that as well--and also doubting the required strength... The air doesn't stick around long enough to GET hot...it's moving past in a hurry. However, the plenum is in direct mechanical contact with the hot parts of the engine. The airflow will help cool it, but there're still parts in direct contact. Ron Wanttaja We're not talking about a composite heat muff? Are we? Surely, we're talking about the part that directs air into the carb? Ed Right, we're talking about the plenum itself, not the muff. The only part that will contact anything on the engine will be the flange that attaches to the carb. It will be a few inches away from the exhaust manifold so that is a concern also. I even thought of making the basic structure out of thin aluminum, wrapping that with fiberfrax, (the thin stuff you usually sandwich between the stainless and plywood on a composite construction) and then glassing over that. Sounds labor intensive, but seeing the work needed for fitting, riveting, etc that is needed for an all aluminum structure, it's really not that more involved. Neal The most severe temperature will be right after shutdown, when the engine is still hot but there is no longer any cooling air flowing. |
|
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
intake air filter choices | Dick | Home Built | 8 | January 19th 07 03:06 PM |
Flexible air intake hose | abripl | Home Built | 10 | July 21st 06 04:11 AM |
Blackbird intake | Speed | Piloting | 5 | May 25th 05 07:52 PM |
Q. about Eurofighter intake | Alistair Gunn | Military Aviation | 1 | August 20th 04 06:58 AM |
Lycoming intake preheater | Dale Larsen | Home Built | 5 | June 6th 04 10:32 PM |